| 1 | /************************************************************************/ |
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| 2 | /* */ |
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| 3 | /* Description: Ascii to PostScript printer program. */ |
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| 4 | /* File: bounty:/archive/src/a2ps/Last/a2ps.c */ |
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| 5 | /* Created: Fri Nov 5 8:20 1993 by miguel@bountyimag.fr (Miguel Santana)*/ |
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| 6 | /* Version: 4.3 */ |
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| 7 | /* */ |
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| 8 | /* Edit history: */ |
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| 9 | /* 1) Derived of shell program written by evan@csli (Evan Kirshenbaum). */ |
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| 10 | /* Written in C for improve speed execution and portability. Many */ |
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| 11 | /* improvements have been added. */ |
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| 12 | /* Fixes by Oscar Nierstrasz @ cui.uucp: */ |
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| 13 | /* 2) Fixed incorrect handling of stdin (removed error if no file names)*/ |
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| 14 | /* 3) Added start_page variable to eliminate blank pages printed for */ |
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| 15 | /* files that are exactly multiples of 132 lines (e.g., man pages) */ |
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| 16 | /* Modified by santana@imag.fr: */ |
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| 17 | /* 4) Added new options at installation : sheet format (height/width in */ |
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| 18 | /* inches), page format (number of columns per line and of lines per */ |
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| 19 | /* page). */ |
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| 20 | /* Modified by santana@imag.fr: */ |
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| 21 | /* 5) Added new option to print n copies of a same document. */ |
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| 22 | /* 6) Cut long filenames if don't fit in the page header. */ |
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| 23 | /* Modified by Tim Clark (T.Clark@warwick.ac.uk): */ |
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| 24 | /* 7) Two additional modes of printing (portrait and wide format modes) */ |
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| 25 | /* 8) Fixed to cope with filenames which contain a character which must */ |
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| 26 | /* be escaped in a PostScript string. */ |
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| 27 | /* Modified by santana@imag.fr to */ |
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| 28 | /* 9) Added new option to suppress heading printing. */ |
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| 29 | /* 10) Added new option to suppress page surrounding border printing. */ |
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| 30 | /* 11) Added new option to change font size. Lines and columns are */ |
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| 31 | /* automatically adjusted, depending on font size and printing mode */ |
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| 32 | /* 12) Minor changes (best layout, usage message, etc). */ |
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| 33 | /* Modified by tullemans@apolloway.prl.philips.nl */ |
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| 34 | /* 13) Backspaces (^H) are now handled correctly. */ |
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| 35 | /* Modified by Johan Vromans (jv@mh.nl) to */ |
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| 36 | /* 14) Added new option to give a header title that replaces use of */ |
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| 37 | /* filename. */ |
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| 38 | /* Modified by craig.r.stevenson@att.com to */ |
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| 39 | /* 15) Print last modification date/time in header */ |
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| 40 | /* 16) Printing current date/time on left side of footer (optional) */ |
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| 41 | /* Modified by erikt@cs.umu.se: */ |
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| 42 | /* 17) Added lpr support for the BSD version */ |
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| 43 | /* 18) Added som output of pages printed. */ |
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| 44 | /* Modified by wstahw@lso.win.tue.nl: */ |
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| 45 | /* 19) Added option to allowing the printing of 2 files in one sheet */ |
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| 46 | /* Modified by mai@wolfen.cc.uow.oz */ |
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| 47 | /* 20) Added an option to set the lines per page to a specified value. */ |
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| 48 | /* 21) Added support for printing nroff manuals */ |
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| 49 | /* Modified by santana@imag.fr */ |
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| 50 | /* 22) Integration of changes. */ |
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| 51 | /* 23) No more standard header file (printed directly by a2ps). */ |
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| 52 | /* 24) New format for command options. */ |
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| 53 | /* 25) Other minor changes. */ |
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| 54 | /* Modified by Johan Garpendahl (garp@isy.liu.se) and santana@imag.fr: */ |
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| 55 | /* 26) Added 8-bit characters printing as ISO-latin 1 chars */ |
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| 56 | /* Modified by John Interrante (interran@uluru.stanford.edu) and */ |
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| 57 | /* santana@imag.fr: */ |
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| 58 | /* 27) Two pages per physical page in portrait mode */ |
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| 59 | /* Modified by santana@imag.fr: */ |
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| 60 | /* 28) New option for two-sided printing */ |
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| 61 | /* 29) Several fixes */ |
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| 62 | /* Modified by Chris Adamo (adamo@ll.mit.edu) and */ |
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| 63 | /* Larry Barbieri (lbarbieri@ll.mit.edu) 3/12/93 */ |
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| 64 | /* 30) Output format enhancements. */ |
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| 65 | /* 31) Added login_id flag (for SYSV and BSD only) for printing user's */ |
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| 66 | /* login ID at top of page. Added command line parameter (-nL) to */ |
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| 67 | /* suppress this feature. */ |
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| 68 | /* 33) Added filename_footer flag for printing file name at bottom */ |
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| 69 | /* of page. Added command line parameter (-nu) to suppress this */ |
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| 70 | /* feature. */ |
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| 71 | /* 34) Added -B (-nB) options to enable (disable) bold font */ |
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| 72 | /* Modified by santana@imag.fr: */ |
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| 73 | /* 35) Adapted to respect Adobe conventions for page independence. A2ps */ |
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| 74 | /* output can be now used by other Postscript processors. */ |
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| 75 | /* 36) Names of most postscript variables have been coded in order to */ |
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| 76 | /* reduce the size of the output. */ |
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| 77 | /* 37) Ansi C compilers are now automatically taken into account. */ |
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| 78 | /* 38) Enhanced routine for cutting long filenames */ |
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| 79 | /* 39) Added -q option to print files in quiet mode (no summary) */ |
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| 80 | /* 40) Fixed some little bugs (counters, modification time for stdin, */ |
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| 81 | /* character separator when printing line numbers and cutting a */ |
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| 82 | /* line). */ |
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| 83 | /* 41) Some minor changes (new preprocessing variables, formatting) */ |
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| 84 | /* */ |
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| 85 | /************************************************************************/ |
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| 86 | |
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| 87 | /* |
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| 88 | * Copyright (c) 1993, 1994, Miguel Santana, M.Santana@frgu.bull.fr |
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| 89 | * |
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| 90 | * Permission is granted to use, copy, and distribute this software for |
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| 91 | * non commercial use, provided that the above copyright notice appear in |
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| 92 | * all copies and that both that copyright notice and this permission |
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| 93 | * notice appear in supporting documentation. |
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| 94 | * |
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| 95 | * Permission to modify the software is granted, but not the right to |
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| 96 | * distribute the modified code. Please report bugs and changes to |
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| 97 | * M.Santana@frgu.bull.fr |
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| 98 | * |
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| 99 | * This software is provided "as is" without express or implied warranty. |
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| 100 | */ |
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| 101 | |
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| 102 | |
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| 103 | /************************************************************************/ |
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| 104 | /* */ |
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| 105 | /* I n c l u d e f i l e s */ |
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| 106 | /* */ |
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| 107 | /************************************************************************/ |
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| 108 | |
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| 109 | #include <stdio.h> |
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| 110 | #include <stdlib.h> |
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| 111 | #include <unistd.h> |
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| 112 | #include <ctype.h> |
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| 113 | #include <sys/types.h> |
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| 114 | #include <sys/stat.h> |
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| 115 | |
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| 116 | #ifdef __STDC__ |
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| 117 | #include <stdlib.h> |
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| 118 | #include <time.h> |
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| 119 | #include <string.h> |
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| 120 | #else |
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| 121 | #include <strings.h> |
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| 122 | #ifdef SYSV |
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| 123 | #include <sys/timeb.h> |
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| 124 | #include <time.h> |
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| 125 | #include <sys/utsname.h> |
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| 126 | #else |
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| 127 | #ifndef BSD |
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| 128 | #define BSD 1 |
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| 129 | #endif |
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| 130 | #include <sys/time.h> |
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| 131 | #endif |
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| 132 | #endif |
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| 133 | |
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| 134 | |
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| 135 | /************************************************************************/ |
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| 136 | /* */ |
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| 137 | /* P r e p r o c e s s i n g d e f i n i t i o n s */ |
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| 138 | /* */ |
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| 139 | /************************************************************************/ |
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| 140 | |
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| 141 | /* |
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| 142 | * Common definitions |
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| 143 | */ |
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| 144 | #define FALSE 0 |
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| 145 | #define TRUE 1 |
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| 146 | #ifndef NULL |
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| 147 | #define NULL 0 |
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| 148 | #endif |
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| 149 | #ifndef NUL |
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| 150 | #define NUL '\0' |
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| 151 | #endif |
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| 152 | #ifndef EXIT_SUCCESS |
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| 153 | #define EXIT_SUCCESS 0 |
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| 154 | #endif |
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| 155 | #ifndef EXIT_FAILURE |
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| 156 | #define EXIT_FAILURE 1 |
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| 157 | #endif |
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| 158 | |
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| 159 | |
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| 160 | /* |
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| 161 | * Version |
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| 162 | */ |
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| 163 | #define VERSION "4.3" |
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| 164 | #define LPR_PRINT 1 |
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| 165 | |
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| 166 | /* |
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| 167 | * Default page dimensions |
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| 168 | */ |
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| 169 | #ifndef WIDTH |
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| 170 | #define WIDTH 8.27 |
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| 171 | #endif |
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| 172 | |
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| 173 | #ifndef HEIGHT |
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| 174 | #define HEIGHT 11.0 |
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| 175 | #endif |
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| 176 | |
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| 177 | #ifndef MARGIN |
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| 178 | #define MARGIN .5 |
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| 179 | #endif |
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| 180 | |
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| 181 | |
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| 182 | /* |
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| 183 | * Pathname separator for file system |
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| 184 | */ |
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| 185 | #ifndef DIR_SEP |
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| 186 | #define DIR_SEP '/' |
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| 187 | #endif |
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| 188 | |
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| 189 | |
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| 190 | /* |
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| 191 | * Printing parameters |
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| 192 | */ |
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| 193 | #if LPR_PRINT |
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| 194 | |
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| 195 | #ifndef LPR_COMMAND |
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| 196 | #define LPR_COMMAND "lpr" |
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| 197 | #endif |
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| 198 | |
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| 199 | #ifndef LPR_OPT |
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| 200 | #define LPR_OPT "-l" |
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| 201 | #endif |
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| 202 | |
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| 203 | #if defined(ONESIDED) && defined(TWOSIDED) |
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| 204 | #define RECTO_VERSO_PRINTING |
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| 205 | #ifndef TWOSIDED_DFLT |
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| 206 | #define TWOSIDED_DFLT TRUE |
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| 207 | #endif |
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| 208 | #endif |
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| 209 | |
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| 210 | #endif |
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| 211 | |
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| 212 | |
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| 213 | /* |
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| 214 | * Configuration values |
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| 215 | */ |
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| 216 | #define PORTRAIT_HEADER 0.29 |
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| 217 | #define LANDSCAPE_HEADER 0.22 |
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| 218 | #define PIXELS_INCH 72 |
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| 219 | #define MAXFILENAME 32 |
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| 220 | #define MAX_LINES 320 /* max. lines per page */ |
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| 221 | #define MAN_LINES 66 /* no lines for a man */ |
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| 222 | #define IS_ROMAN 0 /* normal font */ |
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| 223 | #define IS_BOLD 1 /* bold sequence flag */ |
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| 224 | #if defined(SYSV) || defined(BSD) |
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| 225 | #define MAX_HOSTNAME 40 |
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| 226 | #endif |
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| 227 | |
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| 228 | |
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| 229 | /************************************************************************/ |
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| 230 | /* */ |
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| 231 | /* G l o b a l d e f i n i t i o n s */ |
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| 232 | /* */ |
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| 233 | /************************************************************************/ |
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| 234 | |
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| 235 | |
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| 236 | /* |
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| 237 | * Global types |
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| 238 | */ |
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| 239 | typedef enum { BOLD, NORMAL } WEIGHT; /* font weights */ |
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| 240 | |
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| 241 | |
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| 242 | /* |
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| 243 | * Function declarations. |
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| 244 | */ |
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| 245 | #ifdef __STDC__ |
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| 246 | /* Function prototypes */ |
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| 247 | void usage(int failure); |
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| 248 | void set_global_option(char *arg); |
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| 249 | void set_positional_option(char *arg); |
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| 250 | int mygetc(int *statusp); |
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| 251 | int is_binaryfile(char *name); |
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| 252 | void cut_filename(char *old_name, char *new_name); |
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| 253 | int printchar(unsigned char c); |
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| 254 | void skip_page(void); |
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| 255 | int fold_line(char *name); |
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| 256 | int cut_line(void); |
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| 257 | void printpage(void); |
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| 258 | void startpage(void); |
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| 259 | void cleanup(void); |
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| 260 | void endpage(void); |
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| 261 | void print_page_prologue(int side); |
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| 262 | void init_file_printing(char *name, char *title); |
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| 263 | void print_file(char *name, char *header); |
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| 264 | void print_prologue(void); |
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| 265 | void print_standard_prologue(char *datestring); |
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| 266 | int main(int argc, char *argv[]); |
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| 267 | #if defined(SYSV) || defined(BSD) |
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| 268 | char *getlogin(void); |
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| 269 | #endif |
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| 270 | #if defined(BSD) |
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| 271 | int gethostname(char *name, int namelen); |
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| 272 | #endif |
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| 273 | |
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| 274 | #else |
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| 275 | /* Only forward declarations */ |
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| 276 | int is_binaryfile(); |
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| 277 | void print_standard_prologue(); |
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| 278 | void startpage(); |
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| 279 | void endpage(); |
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| 280 | void print_page_prologue(); |
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| 281 | #if defined(SYSV) || defined(BSD) |
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| 282 | char *getlogin(); |
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| 283 | #endif |
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| 284 | #if defined(BSD) |
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| 285 | int gethostname(); |
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| 286 | #endif |
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| 287 | |
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| 288 | #endif |
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| 289 | |
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| 290 | |
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| 291 | /* |
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| 292 | * Flags related to options. |
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| 293 | */ |
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| 294 | int numbering = FALSE; /* Line numbering option */ |
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| 295 | int folding = TRUE; /* Line folding option */ |
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| 296 | int restart = FALSE; /* Don't restart page number after each file */ |
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| 297 | int only_printable = FALSE; /* Replace non printable char by space */ |
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| 298 | int interpret = TRUE; /* Interpret TAB, FF and BS chars option */ |
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| 299 | int print_binaries = FALSE; /* Force printing for binary files */ |
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| 300 | int landscape = TRUE; /* Otherwise portrait format sheets */ |
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| 301 | int new_landscape = TRUE; /* To scrute changes of landscape option */ |
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| 302 | int twinpages = TRUE; /* 2 pages per sheet if true, 1 otherwise */ |
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| 303 | int new_twinpages = TRUE; /* To scrute changes of twinpages option */ |
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| 304 | int twinfiles = FALSE; /* Allow 2 files per sheet */ |
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| 305 | int no_header = FALSE; /* TRUE if user doesn't want the header */ |
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| 306 | int no_border = FALSE; /* Don't print the surrounding border ? */ |
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| 307 | int printdate = FALSE; /* Print current date as footnote */ |
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| 308 | int filename_footer = TRUE; /* Print file name at bottom of page */ |
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| 309 | int no_summary = FALSE; /* Quiet mode? */ |
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| 310 | WEIGHT fontweight = NORMAL; /* Control font weight: BOLD or NORMAL */ |
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| 311 | WEIGHT new_fontweight = NORMAL; /* To scrute changes of bold option */ |
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| 312 | #if defined(SYSV) || defined(BSD) |
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| 313 | int login_id = TRUE; /* Print login ID at top of page */ |
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| 314 | #endif |
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| 315 | #if LPR_PRINT |
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| 316 | int lpr_print = TRUE; /* Fork a lpr process to do the printing */ |
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| 317 | #ifdef RECTO_VERSO_PRINTING |
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| 318 | int rectoverso = TWOSIDED_DFLT; /* Two-side printing */ |
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| 319 | #endif |
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| 320 | #endif |
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| 321 | int ISOlatin1 = FALSE; /* Print 8-bit characters? */ |
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| 322 | |
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| 323 | |
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| 324 | /* |
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| 325 | * Counters of different kinds. |
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| 326 | */ |
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| 327 | int column = 0; /* Column number (in current line) */ |
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| 328 | int line = 0; /* Line number (in current page) */ |
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| 329 | int line_number = 0; /* Source line number */ |
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| 330 | int pages = 0; /* Number of logical pages printed */ |
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| 331 | int sheets = 0; /* Number of physical pages printed */ |
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| 332 | int old_pages, old_sheets; /* Value before printing current file */ |
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| 333 | int sheetside = 0; /* Side of the sheet currently printing */ |
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| 334 | int linesperpage; /* Lines per page */ |
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| 335 | int lines_requested = 0; /* Lines per page requested by the user */ |
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| 336 | int new_linesrequest = 0; /* To scrute new values for lines_requested */ |
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| 337 | int columnsperline; /* Characters per output line */ |
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| 338 | int nonprinting_chars, chars; /* Number of nonprinting and total chars */ |
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| 339 | int copies_number = 1; /* Number of copies to print */ |
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| 340 | int column_width = 8; /* Default column tab width (8) */ |
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| 341 | |
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| 342 | |
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| 343 | /* |
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| 344 | * Other global variables. |
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| 345 | */ |
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| 346 | int first_page; /* First page for a file */ |
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| 347 | int no_files = TRUE; /* No file until now */ |
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| 348 | int prefix_width; /* Width in characters for line prefix */ |
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| 349 | float fontsize = 0.0; /* Size of a char for body font */ |
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| 350 | float new_fontsize = 0.0; /* To scrute new values for fontsize */ |
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| 351 | char *command; /* Name of a2ps program */ |
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| 352 | char *lpr_opt = NULL; /* Options to lpr */ |
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| 353 | char *header_text = NULL; /* Allow for different header text */ |
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| 354 | float header_size; /* Size of the page header */ |
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| 355 | char *prologue = NULL; /* postscript header file */ |
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| 356 | char current_filename[MAXFILENAME+1]; /* Name of the file being printed */ |
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| 357 | char currentdate[18]; /* Date for today */ |
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| 358 | char filedate[18]; /* Last modification time for current file */ |
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| 359 | #if defined(SYSV) || defined(BSD) |
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| 360 | char *login = NULL; /* user's login name and host machine */ |
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| 361 | #endif |
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| 362 | |
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| 363 | |
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| 364 | /* |
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| 365 | * Sheet dimensions |
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| 366 | */ |
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| 367 | double page_height = HEIGHT; /* Paper height */ |
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| 368 | double page_width = WIDTH; /* Paper width */ |
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| 369 | |
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| 370 | |
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| 371 | /************************************************************************/ |
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| 372 | /* */ |
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| 373 | /* */ |
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| 374 | /************************************************************************/ |
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| 375 | |
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| 376 | /* |
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| 377 | * Print a usage message. |
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| 378 | */ |
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| 379 | void |
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| 380 | usage(failure) |
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| 381 | int failure; /* Must we exit with a failure code? */ |
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| 382 | { |
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| 383 | fprintf(stderr,"A2ps v%s usage: %s [pos. or global options] [ f1 [ [pos. options] f2 ...] ]\n", VERSION, command); |
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| 384 | fprintf(stderr,"pos. = -#num\t\tnumber of copies to print\n"); |
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| 385 | fprintf(stderr," -1\t\tone page per sheet\n"); |
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| 386 | fprintf(stderr," -2\t\tTWIN PAGES per sheet\n"); |
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| 387 | fprintf(stderr," -d\t-nd\tprint (DON'T PRINT) current date at the bottom\n"); |
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| 388 | fprintf(stderr," -Fnum\t\tfont size, num is a float number\n"); |
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| 389 | fprintf(stderr," -Hstr\t\tuse str like header title for subsequent files\n"); |
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| 390 | #if defined(SYSV) || defined(BSD) |
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| 391 | fprintf(stderr," \t-nL\tdon't print login ID on top of page\n"); |
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| 392 | #endif |
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| 393 | fprintf(stderr," -l\t\tprint in LANDSCAPE mode\n"); |
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| 394 | fprintf(stderr," -lnum\t\tuse num lines per page\n"); |
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| 395 | fprintf(stderr," -m\t\tprocess the file as a man\n"); |
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| 396 | fprintf(stderr," -n\t-nn\tNUMBER (don't number) line files\n"); |
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| 397 | fprintf(stderr," -p\t\tprint in portrait mode\n"); |
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| 398 | fprintf(stderr," -q\t\tprint in quiet mode (no summary)\n"); |
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| 399 | fprintf(stderr," -s\t-ns\tPRINT (don't print) surrounding borders\n"); |
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| 400 | fprintf(stderr, "\n"); |
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| 401 | fprintf(stderr,"global = -?\t\tprint this information\n"); |
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| 402 | fprintf(stderr," -B\t-nB\tprint (DON'T PRINT) in bold font\n"); |
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| 403 | fprintf(stderr," -b\t-nb\tforce (DON'T FORCE) binary printing\n"); |
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| 404 | fprintf(stderr," -c\t-nc\tallow (DON'T ALLOW) two files on the same sheet\n"); |
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| 405 | fprintf(stderr," -f\t-nf\tFOLD (don't fold) lines\n"); |
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| 406 | fprintf(stderr," \t-nH\tdon't print any header\n"); |
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| 407 | fprintf(stderr," -h\t\tprint this information\n"); |
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| 408 | fprintf(stderr," -Ifile\tinclude this file as a2ps prologue\n"); |
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| 409 | fprintf(stderr," -i\t-ni\tINTERPRET (don't interpret) tab, bs and ff chars\n"); |
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| 410 | #if LPR_PRINT |
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| 411 | fprintf(stderr," -Pprinter -nP\tSEND (don't send) directly to the printer"); |
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| 412 | #ifdef LPR_OPT |
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| 413 | if (LPR_OPT != NULL && sizeof(LPR_OPT) > 0) |
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| 414 | fprintf(stderr,"\n\t\t\t(with options '%s' and -Pprinter)", LPR_OPT); |
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| 415 | #endif |
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| 416 | fprintf(stderr, "\n"); |
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| 417 | #endif |
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| 418 | fprintf(stderr," -r\t-nr\tRESTART (don't restart) page number after each file\n"); |
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| 419 | #ifdef RECTO_VERSO_PRINTING |
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| 420 | #ifdef TWOSIDED_DFLT |
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| 421 | fprintf(stderr," -s1\t-s2\tone-sided (TWO-SIDED) printing\n"); |
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| 422 | #else |
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| 423 | fprintf(stderr," -s1\t-s2\tONE-SIDED (two-sided) printing\n"); |
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| 424 | #endif |
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| 425 | #endif |
|---|
| 426 | fprintf(stderr," -tnum\t\tset tab size to n\n"); |
|---|
| 427 | fprintf(stderr," \t-nu\tdon't print a filename footer\n"); |
|---|
| 428 | fprintf(stderr," -v\t-nv\tVISIBLE (blank) display of unprintable chars\n"); |
|---|
| 429 | fprintf(stderr," -8\t-n8\tdisplay (DON'T DISPLAY) 8-bit chars\n"); |
|---|
| 430 | exit(failure); |
|---|
| 431 | } |
|---|
| 432 | |
|---|
| 433 | /* |
|---|
| 434 | * Set an option only if it's global. |
|---|
| 435 | */ |
|---|
| 436 | void |
|---|
| 437 | set_global_option(arg) |
|---|
| 438 | char *arg; |
|---|
| 439 | { |
|---|
| 440 | switch (arg[1]) { |
|---|
| 441 | case '?': /* help */ |
|---|
| 442 | case 'h': |
|---|
| 443 | usage(EXIT_SUCCESS); |
|---|
| 444 | case 'b': /* print binary files */ |
|---|
| 445 | if (arg[2] != NUL) |
|---|
| 446 | usage(EXIT_FAILURE); |
|---|
| 447 | print_binaries = TRUE; |
|---|
| 448 | break; |
|---|
| 449 | case 'c': /* allow two files per sheet */ |
|---|
| 450 | if (arg[2] != NUL) |
|---|
| 451 | usage(EXIT_FAILURE); |
|---|
| 452 | twinfiles = TRUE; |
|---|
| 453 | break; |
|---|
| 454 | case 'f': /* fold lines too large */ |
|---|
| 455 | if (arg[2] != NUL) |
|---|
| 456 | usage(EXIT_FAILURE); |
|---|
| 457 | folding = TRUE; |
|---|
| 458 | break; |
|---|
| 459 | case 'I': /* include this file as a2ps prologue */ |
|---|
| 460 | if (arg[2] == NUL) |
|---|
| 461 | usage(EXIT_FAILURE); |
|---|
| 462 | prologue = arg+2; |
|---|
| 463 | break; |
|---|
| 464 | case 'i': /* interpret control chars */ |
|---|
| 465 | if (arg[2] != NUL) |
|---|
| 466 | usage(EXIT_FAILURE); |
|---|
| 467 | interpret = TRUE; |
|---|
| 468 | break; |
|---|
| 469 | case 'n': |
|---|
| 470 | if (arg[2] == NUL) |
|---|
| 471 | return; |
|---|
| 472 | if (arg[3] != NUL) |
|---|
| 473 | usage(EXIT_FAILURE); |
|---|
| 474 | switch (arg[2]) { |
|---|
| 475 | case 'b': /* don't print binaries */ |
|---|
| 476 | print_binaries = FALSE; |
|---|
| 477 | break; |
|---|
| 478 | case 'c': /* don't allow 2 files/sheet */ |
|---|
| 479 | twinfiles = FALSE; |
|---|
| 480 | break; |
|---|
| 481 | case 'f': /* cut lines too long */ |
|---|
| 482 | folding = FALSE; |
|---|
| 483 | break; |
|---|
| 484 | case 'H': /* don't print header */ |
|---|
| 485 | no_header = TRUE; |
|---|
| 486 | break; |
|---|
| 487 | case 'i': /* don't interpret ctrl chars */ |
|---|
| 488 | interpret = FALSE; |
|---|
| 489 | break; |
|---|
| 490 | #if LPR_PRINT |
|---|
| 491 | case 'P': /* don't lpr */ |
|---|
| 492 | lpr_print = FALSE; |
|---|
| 493 | break; |
|---|
| 494 | #endif |
|---|
| 495 | case 'r': /* don't restart sheet number */ |
|---|
| 496 | restart = FALSE; |
|---|
| 497 | break; |
|---|
| 498 | case 'v': /* only printable chars */ |
|---|
| 499 | only_printable = TRUE; |
|---|
| 500 | break; |
|---|
| 501 | case '8': /* don't print 8-bit chars */ |
|---|
| 502 | ISOlatin1 = FALSE; |
|---|
| 503 | break; |
|---|
| 504 | case 'B': |
|---|
| 505 | case 'd': |
|---|
| 506 | case 'L': |
|---|
| 507 | case 'm': |
|---|
| 508 | case 'n': |
|---|
| 509 | case 's': |
|---|
| 510 | case 'u': |
|---|
| 511 | if (arg[3] != NUL) |
|---|
| 512 | usage(EXIT_FAILURE); |
|---|
| 513 | return; |
|---|
| 514 | default: |
|---|
| 515 | usage(EXIT_FAILURE); |
|---|
| 516 | } |
|---|
| 517 | break; |
|---|
| 518 | #if LPR_PRINT |
|---|
| 519 | case 'P': /* fork a process to print */ |
|---|
| 520 | if (arg[2] != NUL) { |
|---|
| 521 | lpr_opt = (char *)malloc(strlen(arg)+1); |
|---|
| 522 | strcpy(lpr_opt, arg); |
|---|
| 523 | } |
|---|
| 524 | lpr_print = TRUE; |
|---|
| 525 | break; |
|---|
| 526 | #endif |
|---|
| 527 | case 'q': /* don't print a summary */ |
|---|
| 528 | no_summary = TRUE; |
|---|
| 529 | break; |
|---|
| 530 | case 'r': /* restart sheet number */ |
|---|
| 531 | if (arg[2] != NUL) |
|---|
| 532 | usage(EXIT_FAILURE); |
|---|
| 533 | restart = TRUE; |
|---|
| 534 | break; |
|---|
| 535 | case 's': |
|---|
| 536 | if (arg[2] == NUL) |
|---|
| 537 | return; |
|---|
| 538 | #ifdef RECTO_VERSO_PRINTING |
|---|
| 539 | if (arg[3] == NUL) { |
|---|
| 540 | if (arg[2] == '1') { /* one-sided printing */ |
|---|
| 541 | rectoverso = FALSE; |
|---|
| 542 | break; |
|---|
| 543 | } |
|---|
| 544 | if (arg[2] == '2') { /* two-sided printing */ |
|---|
| 545 | rectoverso = TRUE; |
|---|
| 546 | break; |
|---|
| 547 | } |
|---|
| 548 | } |
|---|
| 549 | #endif |
|---|
| 550 | usage(EXIT_FAILURE); |
|---|
| 551 | break; |
|---|
| 552 | case 't': /* set tab size */ |
|---|
| 553 | if (arg[2] == NUL || (column_width = atoi(arg+2)) <= 0) |
|---|
| 554 | usage(EXIT_FAILURE); |
|---|
| 555 | break; |
|---|
| 556 | case 'v': /* print control chars */ |
|---|
| 557 | if (arg[2] != NUL) |
|---|
| 558 | usage(EXIT_FAILURE); |
|---|
| 559 | only_printable = FALSE; |
|---|
| 560 | break; |
|---|
| 561 | case '8': /* print 8-bit chars */ |
|---|
| 562 | if (arg[2] != NUL) |
|---|
| 563 | usage(EXIT_FAILURE); |
|---|
| 564 | ISOlatin1 = TRUE; |
|---|
| 565 | break; |
|---|
| 566 | case '1': |
|---|
| 567 | case '2': |
|---|
| 568 | case 'B': |
|---|
| 569 | case 'd': |
|---|
| 570 | case 'm': |
|---|
| 571 | case 'p': |
|---|
| 572 | if (arg[2] != NUL) |
|---|
| 573 | usage(EXIT_FAILURE); |
|---|
| 574 | case '#': |
|---|
| 575 | case 'F': |
|---|
| 576 | case 'H': |
|---|
| 577 | case 'l': |
|---|
| 578 | return; |
|---|
| 579 | default: |
|---|
| 580 | usage(EXIT_FAILURE); |
|---|
| 581 | } |
|---|
| 582 | arg[0] = NUL; |
|---|
| 583 | } |
|---|
| 584 | |
|---|
| 585 | /* |
|---|
| 586 | * Set an option of the command line. This option will be applied |
|---|
| 587 | * to all files that will be found in the rest of the command line. |
|---|
| 588 | * The -H option is the only exception: it is applied only to the |
|---|
| 589 | * file. |
|---|
| 590 | */ |
|---|
| 591 | void |
|---|
| 592 | set_positional_option(arg) |
|---|
| 593 | char *arg; |
|---|
| 594 | { |
|---|
| 595 | int copies; |
|---|
| 596 | int lines; |
|---|
| 597 | float size; |
|---|
| 598 | |
|---|
| 599 | switch (arg[1]) { |
|---|
| 600 | case NUL: /* global option */ |
|---|
| 601 | break; |
|---|
| 602 | case '#': /* n copies */ |
|---|
| 603 | if (sscanf(&arg[2], "%d", &copies) != 1 || copies <= 0) |
|---|
| 604 | fprintf(stderr, "Bad number of copies: '%s'. Ignored\n", &arg[2]); |
|---|
| 605 | else |
|---|
| 606 | copies_number = copies; |
|---|
| 607 | printf("/#copies %d def\n", copies_number); |
|---|
| 608 | break; |
|---|
| 609 | case '1': /* 1 logical page per sheet */ |
|---|
| 610 | if (arg[2] != NUL) |
|---|
| 611 | usage(EXIT_FAILURE); |
|---|
| 612 | new_twinpages = FALSE; |
|---|
| 613 | break; |
|---|
| 614 | case '2': /* twin pages */ |
|---|
| 615 | if (arg[2] != NUL) |
|---|
| 616 | usage(EXIT_FAILURE); |
|---|
| 617 | new_twinpages = TRUE; |
|---|
| 618 | break; |
|---|
| 619 | case 'B': |
|---|
| 620 | new_fontweight = BOLD; /* use bold font */ |
|---|
| 621 | break; |
|---|
| 622 | case 'd': /* print current date/time */ |
|---|
| 623 | printdate = TRUE; |
|---|
| 624 | break; |
|---|
| 625 | case 'F': /* change font size */ |
|---|
| 626 | if (arg[2] == NUL || sscanf(&arg[2], "%f", &size) != 1 || size == 0.0) { |
|---|
| 627 | fprintf(stderr, "Wrong value for option -F: '%s'. Ignored\n", |
|---|
| 628 | &arg[2]); |
|---|
| 629 | break; |
|---|
| 630 | } |
|---|
| 631 | new_fontsize = size; |
|---|
| 632 | break; |
|---|
| 633 | case 'H': /* header text */ |
|---|
| 634 | header_text = arg+2; |
|---|
| 635 | break; |
|---|
| 636 | case 'l': |
|---|
| 637 | if (arg[2] == NUL) { /* landscape format */ |
|---|
| 638 | new_landscape = TRUE; |
|---|
| 639 | break; |
|---|
| 640 | } |
|---|
| 641 | /* set lines per page */ |
|---|
| 642 | /* Useful with preformatted files. Scaling is automatically */ |
|---|
| 643 | /* done when necessary. */ |
|---|
| 644 | if (sscanf(&arg[2], "%d", &lines) != 1 |
|---|
| 645 | || lines < 0 || lines > MAX_LINES) |
|---|
| 646 | { |
|---|
| 647 | fprintf(stderr, "Wrong value for option -l: '%s'. Ignored\n", |
|---|
| 648 | &arg[2]); |
|---|
| 649 | break; |
|---|
| 650 | } |
|---|
| 651 | new_linesrequest = lines; |
|---|
| 652 | break; |
|---|
| 653 | case 'm': /* Process file as a man */ |
|---|
| 654 | new_linesrequest = MAN_LINES; |
|---|
| 655 | numbering = FALSE; |
|---|
| 656 | break; |
|---|
| 657 | case 'n': /* number file lines */ |
|---|
| 658 | if (arg[2] == NUL) { |
|---|
| 659 | numbering = TRUE; |
|---|
| 660 | break; |
|---|
| 661 | } |
|---|
| 662 | switch (arg[2]) { |
|---|
| 663 | case 'B': /* disable bold text */ |
|---|
| 664 | new_fontweight = NORMAL; |
|---|
| 665 | break; |
|---|
| 666 | case 'd': /* don't print date/time */ |
|---|
| 667 | printdate = FALSE; |
|---|
| 668 | break; |
|---|
| 669 | #if defined(SYSV) || defined(BSD) |
|---|
| 670 | case 'L': /* no login name in footer */ |
|---|
| 671 | login_id = FALSE; |
|---|
| 672 | break; |
|---|
| 673 | #endif |
|---|
| 674 | case 'l': /* portrait format */ |
|---|
| 675 | new_landscape = FALSE; |
|---|
| 676 | break; |
|---|
| 677 | case 'm': /* stop processing as a man */ |
|---|
| 678 | new_linesrequest = 0; |
|---|
| 679 | break; |
|---|
| 680 | case 'n': /* don't number lines */ |
|---|
| 681 | numbering = FALSE; |
|---|
| 682 | break; |
|---|
| 683 | case 'p': /* landscape format */ |
|---|
| 684 | new_landscape = TRUE; |
|---|
| 685 | break; |
|---|
| 686 | case 's': /* no surrounding border */ |
|---|
| 687 | no_border = TRUE; |
|---|
| 688 | break; |
|---|
| 689 | case 'u': /* no filename in footer */ |
|---|
| 690 | filename_footer = FALSE; |
|---|
| 691 | break; |
|---|
| 692 | default: |
|---|
| 693 | usage(EXIT_FAILURE); |
|---|
| 694 | } |
|---|
| 695 | break; |
|---|
| 696 | case 'p': /* portrait format */ |
|---|
| 697 | if (arg[2] != NUL) |
|---|
| 698 | usage(EXIT_FAILURE); |
|---|
| 699 | new_landscape = FALSE; |
|---|
| 700 | break; |
|---|
| 701 | case 's': /* surrounding border */ |
|---|
| 702 | if (arg[2] != NUL) |
|---|
| 703 | usage(EXIT_FAILURE); |
|---|
| 704 | no_border = FALSE; |
|---|
| 705 | break; |
|---|
| 706 | default: |
|---|
| 707 | usage(EXIT_FAILURE); |
|---|
| 708 | } |
|---|
| 709 | } |
|---|
| 710 | |
|---|
| 711 | |
|---|
| 712 | /****************************************************************/ |
|---|
| 713 | /* Service routines */ |
|---|
| 714 | /****************************************************************/ |
|---|
| 715 | |
|---|
| 716 | /* |
|---|
| 717 | * This routine buffers a line of input, release one character at a time |
|---|
| 718 | * or a whole sequence of characters with some meaning like bold sequences |
|---|
| 719 | * produced by nroff (no others sequences are recognized by the moment): |
|---|
| 720 | * <c><\b><c><\b><c><\b><c> |
|---|
| 721 | */ |
|---|
| 722 | int |
|---|
| 723 | mygetc(statusp) |
|---|
| 724 | int *statusp; |
|---|
| 725 | { |
|---|
| 726 | #define BUFFER_SIZE 512 |
|---|
| 727 | static int curr = 0; |
|---|
| 728 | static int size = 0; |
|---|
| 729 | static unsigned char buffer[BUFFER_SIZE+1]; |
|---|
| 730 | int c; |
|---|
| 731 | |
|---|
| 732 | *statusp = IS_ROMAN; |
|---|
| 733 | |
|---|
| 734 | /* Read a new line, if necessary */ |
|---|
| 735 | if (curr >= size) { |
|---|
| 736 | if (fgets((char *)buffer, BUFFER_SIZE+1, stdin) == NULL) |
|---|
| 737 | return EOF; |
|---|
| 738 | size = strlen((char *)buffer); |
|---|
| 739 | if (size < BUFFER_SIZE && buffer[size-1] != '\n') { |
|---|
| 740 | buffer[size] = '\n'; |
|---|
| 741 | buffer[++size] = '\0'; |
|---|
| 742 | } |
|---|
| 743 | curr = 0; |
|---|
| 744 | } |
|---|
| 745 | if (buffer[curr+1] != '\b') /* this is not a special sequence */ |
|---|
| 746 | return buffer[curr++]; |
|---|
| 747 | |
|---|
| 748 | /* Check if it is a bold sequence */ |
|---|
| 749 | c = buffer[curr++]; |
|---|
| 750 | if (c == buffer[curr+1] && |
|---|
| 751 | buffer[curr] == buffer[curr+2] && |
|---|
| 752 | c == buffer[curr+3] && |
|---|
| 753 | buffer[curr] == buffer[curr+4] && |
|---|
| 754 | c == buffer[curr+5]) |
|---|
| 755 | { |
|---|
| 756 | *statusp = IS_BOLD; |
|---|
| 757 | curr += 6; |
|---|
| 758 | } |
|---|
| 759 | |
|---|
| 760 | /* Return the first character of the sequence */ |
|---|
| 761 | return c; |
|---|
| 762 | } |
|---|
| 763 | |
|---|
| 764 | /* |
|---|
| 765 | * Test if we have a binary file. |
|---|
| 766 | */ |
|---|
| 767 | int |
|---|
| 768 | is_binaryfile(name) |
|---|
| 769 | char *name; |
|---|
| 770 | { |
|---|
| 771 | if (chars > 120 || pages > 1) { |
|---|
| 772 | first_page = FALSE; |
|---|
| 773 | if (chars && !print_binaries && (nonprinting_chars*100 / chars) >= 60) { |
|---|
| 774 | fprintf(stderr, "%s is a binary file: printing aborted\n", name); |
|---|
| 775 | return TRUE; |
|---|
| 776 | } |
|---|
| 777 | } |
|---|
| 778 | return FALSE; |
|---|
| 779 | } |
|---|
| 780 | |
|---|
| 781 | /* |
|---|
| 782 | * Cut long filenames. |
|---|
| 783 | */ |
|---|
| 784 | void |
|---|
| 785 | cut_filename(old_name, new_name) |
|---|
| 786 | char *old_name, *new_name; |
|---|
| 787 | { |
|---|
| 788 | char *p; |
|---|
| 789 | int i; |
|---|
| 790 | char *separator; |
|---|
| 791 | |
|---|
| 792 | if ((i = strlen(old_name)) <= MAXFILENAME) { |
|---|
| 793 | strcpy(new_name, old_name); |
|---|
| 794 | return; |
|---|
| 795 | } |
|---|
| 796 | p = old_name + (i-1); |
|---|
| 797 | separator = NULL; |
|---|
| 798 | i = 1; |
|---|
| 799 | while (p >= old_name && i < MAXFILENAME) { |
|---|
| 800 | if (*p == DIR_SEP) |
|---|
| 801 | separator = p; |
|---|
| 802 | p--; |
|---|
| 803 | i++; |
|---|
| 804 | } |
|---|
| 805 | if (separator != NULL) |
|---|
| 806 | p = separator; |
|---|
| 807 | else if (p >= old_name) |
|---|
| 808 | while (p >= old_name && *p != DIR_SEP) p--; |
|---|
| 809 | |
|---|
| 810 | for (i = 0, p++; *p != NUL; i++) |
|---|
| 811 | *new_name++ = *p++; |
|---|
| 812 | *new_name = NUL; |
|---|
| 813 | } |
|---|
| 814 | |
|---|
| 815 | /* |
|---|
| 816 | * Print a char in a form accepted by postscript printers. |
|---|
| 817 | */ |
|---|
| 818 | int printchar(unsigned char c){ |
|---|
| 819 | |
|---|
| 820 | if (c >= ' ' && c < 0177) { |
|---|
| 821 | if (c == '(' || c == ')' || c == '\\') |
|---|
| 822 | putchar('\\'); |
|---|
| 823 | putchar(c); |
|---|
| 824 | return 0; |
|---|
| 825 | } |
|---|
| 826 | |
|---|
| 827 | if (ISOlatin1 && (c > 0177)) { |
|---|
| 828 | printf("\\%o", c); |
|---|
| 829 | return 0; |
|---|
| 830 | } |
|---|
| 831 | |
|---|
| 832 | if (only_printable) { |
|---|
| 833 | putchar(' '); |
|---|
| 834 | return 1; |
|---|
| 835 | } |
|---|
| 836 | |
|---|
| 837 | if (c > 0177) { |
|---|
| 838 | printf("M-"); |
|---|
| 839 | c &= 0177; |
|---|
| 840 | } |
|---|
| 841 | if (c < ' ') { |
|---|
| 842 | putchar('^'); |
|---|
| 843 | if ((c = c + '@') == '(' || c == ')' || c == '\\') |
|---|
| 844 | putchar('\\'); |
|---|
| 845 | putchar(c); |
|---|
| 846 | } |
|---|
| 847 | else if (c == 0177) |
|---|
| 848 | printf("^?"); |
|---|
| 849 | else { |
|---|
| 850 | if (c == '(' || c == ')' || c == '\\') |
|---|
| 851 | putchar('\\'); |
|---|
| 852 | putchar(c); |
|---|
| 853 | } |
|---|
| 854 | |
|---|
| 855 | return 1; |
|---|
| 856 | } |
|---|
| 857 | |
|---|
| 858 | /* |
|---|
| 859 | * Begins a new logical page. |
|---|
| 860 | */ |
|---|
| 861 | void |
|---|
| 862 | skip_page() |
|---|
| 863 | { |
|---|
| 864 | if (twinpages == FALSE || sheetside == 0) { |
|---|
| 865 | printf("%%%%Page: %d %d\n", sheets+1, sheets+1); |
|---|
| 866 | printf("/pagesave save def\n"); |
|---|
| 867 | /* Reinitialize state variables for each new sheet */ |
|---|
| 868 | print_page_prologue(0); |
|---|
| 869 | } |
|---|
| 870 | startpage(); |
|---|
| 871 | } |
|---|
| 872 | |
|---|
| 873 | /* |
|---|
| 874 | * Fold a line too long. |
|---|
| 875 | */ |
|---|
| 876 | int |
|---|
| 877 | fold_line(name) |
|---|
| 878 | char *name; |
|---|
| 879 | { |
|---|
| 880 | column = 0; |
|---|
| 881 | printf(") s\n"); |
|---|
| 882 | if (++line >= linesperpage) { |
|---|
| 883 | endpage(); |
|---|
| 884 | skip_page(); |
|---|
| 885 | if (first_page && is_binaryfile(name)) |
|---|
| 886 | return FALSE; |
|---|
| 887 | line = 0; |
|---|
| 888 | } |
|---|
| 889 | if (numbering) |
|---|
| 890 | printf("( +"); |
|---|
| 891 | else |
|---|
| 892 | printf("( "); |
|---|
| 893 | |
|---|
| 894 | return TRUE; |
|---|
| 895 | } |
|---|
| 896 | |
|---|
| 897 | /* |
|---|
| 898 | * Cut a textline too long to the size of a page line. |
|---|
| 899 | */ |
|---|
| 900 | int |
|---|
| 901 | cut_line() |
|---|
| 902 | { |
|---|
| 903 | int c; |
|---|
| 904 | int status; |
|---|
| 905 | |
|---|
| 906 | while ((c = mygetc(&status)) != EOF && c != '\n' && c != '\f'); |
|---|
| 907 | return c; |
|---|
| 908 | } |
|---|
| 909 | |
|---|
| 910 | |
|---|
| 911 | /****************************************************************/ |
|---|
| 912 | /* "Postscript" routines. */ |
|---|
| 913 | /****************************************************************/ |
|---|
| 914 | |
|---|
| 915 | /* |
|---|
| 916 | * Print a physical page. |
|---|
| 917 | */ |
|---|
| 918 | void |
|---|
| 919 | printpage() |
|---|
| 920 | { |
|---|
| 921 | sheetside = 0; |
|---|
| 922 | sheets++; |
|---|
| 923 | printf("/sd 0 def\n"); |
|---|
| 924 | if (no_border == FALSE) |
|---|
| 925 | printf("%d sn\n", sheets - (restart ? old_sheets : 0)); |
|---|
| 926 | if (printdate) |
|---|
| 927 | printf("cd\n"); |
|---|
| 928 | if (filename_footer && landscape) |
|---|
| 929 | printf("fnf\n"); |
|---|
| 930 | #if defined(SYSV) || defined(BSD) |
|---|
| 931 | if (login_id) |
|---|
| 932 | printf("lg lgp\n"); |
|---|
| 933 | #endif |
|---|
| 934 | printf("pagesave restore\n"); |
|---|
| 935 | printf("showpage\n"); |
|---|
| 936 | } |
|---|
| 937 | |
|---|
| 938 | /* |
|---|
| 939 | * Prints page header and page border and |
|---|
| 940 | * initializes printing of the file lines. |
|---|
| 941 | */ |
|---|
| 942 | void |
|---|
| 943 | startpage() |
|---|
| 944 | { |
|---|
| 945 | if (sheetside == 0) { |
|---|
| 946 | #ifdef RECTO_VERSO_PRINTING |
|---|
| 947 | if (rectoverso && (sheets & 0x1)) { |
|---|
| 948 | /* Shift to left backside pages. */ |
|---|
| 949 | printf("rm neg 0 translate\n"); |
|---|
| 950 | } |
|---|
| 951 | #endif |
|---|
| 952 | if (landscape) { |
|---|
| 953 | printf("sw 0 translate\n"); |
|---|
| 954 | printf("90 rotate\n"); |
|---|
| 955 | } |
|---|
| 956 | } |
|---|
| 957 | pages++; |
|---|
| 958 | if (no_header == FALSE) |
|---|
| 959 | printf("%d hp\n", pages - old_pages); |
|---|
| 960 | if (no_border == FALSE) { |
|---|
| 961 | printf("border\n"); |
|---|
| 962 | if (no_header == FALSE) |
|---|
| 963 | printf("hborder\n"); |
|---|
| 964 | } |
|---|
| 965 | printf("/x0 x %d get bm add def\n", sheetside); |
|---|
| 966 | printf("/y0 y %d get bm bfs add %s add sub def\n", |
|---|
| 967 | sheetside, no_header ? "0" : "hs"); |
|---|
| 968 | printf("x0 y0 moveto\n"); |
|---|
| 969 | printf("bf setfont\n"); |
|---|
| 970 | } |
|---|
| 971 | |
|---|
| 972 | /* |
|---|
| 973 | * Terminates printing, flushing last page. |
|---|
| 974 | */ |
|---|
| 975 | void |
|---|
| 976 | cleanup() |
|---|
| 977 | { |
|---|
| 978 | if (twinpages && sheetside == 1) |
|---|
| 979 | printpage(); |
|---|
| 980 | #ifdef RECTO_VERSO_PRINTING |
|---|
| 981 | if (!twinfiles && rectoverso && (sheets & 0x1) != 0) { |
|---|
| 982 | sheetside = 0; |
|---|
| 983 | sheets++; |
|---|
| 984 | printf("%%%%Page: %d %d\n", sheets, sheets); |
|---|
| 985 | printf("showpage\n"); |
|---|
| 986 | } |
|---|
| 987 | #endif |
|---|
| 988 | } |
|---|
| 989 | |
|---|
| 990 | /* |
|---|
| 991 | * Adds a sheet number to the page (footnote) and prints the formatted |
|---|
| 992 | * page (physical impression). Activated at the end of each source page. |
|---|
| 993 | */ |
|---|
| 994 | void |
|---|
| 995 | endpage() |
|---|
| 996 | { |
|---|
| 997 | if (twinpages && sheetside == 0) { |
|---|
| 998 | sheetside = 1; |
|---|
| 999 | printf("/sd 1 def\n"); |
|---|
| 1000 | } |
|---|
| 1001 | else |
|---|
| 1002 | printpage(); |
|---|
| 1003 | } |
|---|
| 1004 | |
|---|
| 1005 | |
|---|
| 1006 | /****************************************************************/ |
|---|
| 1007 | /* Printing a file */ |
|---|
| 1008 | /****************************************************************/ |
|---|
| 1009 | |
|---|
| 1010 | /* |
|---|
| 1011 | * Print the file prologue. |
|---|
| 1012 | */ |
|---|
| 1013 | void |
|---|
| 1014 | init_file_printing(name, title) |
|---|
| 1015 | char *name, *title; |
|---|
| 1016 | { |
|---|
| 1017 | int new_format, new_font; |
|---|
| 1018 | char *string; |
|---|
| 1019 | int lines; |
|---|
| 1020 | float char_width; |
|---|
| 1021 | struct stat statbuf; |
|---|
| 1022 | |
|---|
| 1023 | /* Print last page of previous file, if necessary */ |
|---|
| 1024 | if (pages > 0 && !twinfiles) |
|---|
| 1025 | cleanup(); |
|---|
| 1026 | |
|---|
| 1027 | /* Initialize variables related to the format */ |
|---|
| 1028 | new_format = FALSE; |
|---|
| 1029 | if (new_landscape != landscape || new_twinpages != twinpages) { |
|---|
| 1030 | landscape = new_landscape; |
|---|
| 1031 | twinpages = new_twinpages; |
|---|
| 1032 | new_format = TRUE; |
|---|
| 1033 | } |
|---|
| 1034 | |
|---|
| 1035 | /* Initialize variables related to the header */ |
|---|
| 1036 | if (no_header && name == title) |
|---|
| 1037 | header_size = 0.0; |
|---|
| 1038 | else { |
|---|
| 1039 | if (landscape || twinpages) |
|---|
| 1040 | header_size = LANDSCAPE_HEADER * PIXELS_INCH; |
|---|
| 1041 | else |
|---|
| 1042 | header_size = PORTRAIT_HEADER * PIXELS_INCH; |
|---|
| 1043 | cut_filename(title, current_filename); |
|---|
| 1044 | } |
|---|
| 1045 | |
|---|
| 1046 | /* Initialize variables related to the font size */ |
|---|
| 1047 | new_font = FALSE; |
|---|
| 1048 | if (fontsize != new_fontsize || new_format || |
|---|
| 1049 | lines_requested != new_linesrequest || fontweight != new_fontweight) |
|---|
| 1050 | { |
|---|
| 1051 | if (new_fontsize == 0.0 || (fontsize == new_fontsize && new_format)) |
|---|
| 1052 | new_fontsize = landscape ? 6.8 : twinpages ? 6.4 : 9.0; |
|---|
| 1053 | if (lines_requested != new_linesrequest) { |
|---|
| 1054 | if ((lines_requested = new_linesrequest) != 0) { |
|---|
| 1055 | /* Scale fontsize */ |
|---|
| 1056 | if (landscape) |
|---|
| 1057 | lines = (int)((page_width-header_size) / new_fontsize) - 1; |
|---|
| 1058 | else if (twinpages) |
|---|
| 1059 | lines = (int)(((page_height - 2*header_size) / 2) / new_fontsize) - 2; |
|---|
| 1060 | else |
|---|
| 1061 | lines = (int)((page_height-header_size) / new_fontsize) - 1; |
|---|
| 1062 | new_fontsize *= (float)lines / (float)lines_requested; |
|---|
| 1063 | } |
|---|
| 1064 | } |
|---|
| 1065 | fontsize = new_fontsize; |
|---|
| 1066 | fontweight = new_fontweight; |
|---|
| 1067 | new_font = TRUE; |
|---|
| 1068 | } |
|---|
| 1069 | |
|---|
| 1070 | /* Initialize file printing, if there is any change */ |
|---|
| 1071 | if (new_format || new_font) { |
|---|
| 1072 | char_width = 0.6 * fontsize; |
|---|
| 1073 | if (landscape) { |
|---|
| 1074 | linesperpage = (int)((page_width - header_size) / fontsize) - 1; |
|---|
| 1075 | if (! twinpages) |
|---|
| 1076 | columnsperline = (int)(page_height / char_width) - 1; |
|---|
| 1077 | else |
|---|
| 1078 | columnsperline = (int)((page_height / 2) / char_width) - 1; |
|---|
| 1079 | } |
|---|
| 1080 | else { |
|---|
| 1081 | if (!twinpages) |
|---|
| 1082 | linesperpage = (int)((page_height - header_size) / fontsize) - 1; |
|---|
| 1083 | else |
|---|
| 1084 | linesperpage = (int)(((page_height - 2*header_size) / 2) / fontsize) |
|---|
| 1085 | - 2; |
|---|
| 1086 | columnsperline = (int)(page_width / char_width) - 1; |
|---|
| 1087 | } |
|---|
| 1088 | if (lines_requested > 0) |
|---|
| 1089 | linesperpage = lines_requested; |
|---|
| 1090 | if (linesperpage <= 0 || columnsperline <= 0) { |
|---|
| 1091 | fprintf(stderr, "Font %g too big !!\n", fontsize); |
|---|
| 1092 | exit(EXIT_FAILURE); |
|---|
| 1093 | } |
|---|
| 1094 | } |
|---|
| 1095 | |
|---|
| 1096 | /* Retrieve file modification date and hour */ |
|---|
| 1097 | if (fstat(fileno(stdin), &statbuf) == -1) { |
|---|
| 1098 | fprintf(stderr, "Error getting file modification time\n"); |
|---|
| 1099 | exit(EXIT_FAILURE); |
|---|
| 1100 | } |
|---|
| 1101 | /* Do we have a pipe? */ |
|---|
| 1102 | if (S_ISFIFO(statbuf.st_mode)) |
|---|
| 1103 | strcpy(filedate, currentdate); |
|---|
| 1104 | else { |
|---|
| 1105 | string = ctime(&statbuf.st_mtime); |
|---|
| 1106 | sprintf(filedate, "%.6s %.4s %.5s", string+4, string+20, string+11); |
|---|
| 1107 | } |
|---|
| 1108 | } |
|---|
| 1109 | |
|---|
| 1110 | /* |
|---|
| 1111 | * Print the prologue necessary for printing each physical page. |
|---|
| 1112 | * Adobe convention for page independence is enforced through this routine. |
|---|
| 1113 | */ |
|---|
| 1114 | void |
|---|
| 1115 | print_page_prologue(side) |
|---|
| 1116 | int side; /* Logical page to print (left/right) */ |
|---|
| 1117 | { |
|---|
| 1118 | /* General format */ |
|---|
| 1119 | printf("/twp %s def\n", twinpages ? "true" : "false"); |
|---|
| 1120 | printf("/fnfs %d def\n", landscape ? 11 : twinpages ? 10 : 15); |
|---|
| 1121 | printf("/dfs fnfs 0.8 mul def\n"); |
|---|
| 1122 | printf("/df /Helvetica dfs getfont def\n"); |
|---|
| 1123 | printf("/dw df setfont td stringwidth pop def\n"); |
|---|
| 1124 | printf("/sfnf filenmfontname fnfs getfont def\n"); |
|---|
| 1125 | printf("/hm fnfs 0.25 mul def\n"); |
|---|
| 1126 | /* Header size */ |
|---|
| 1127 | if (header_size == 0.0) |
|---|
| 1128 | printf("/hs 0.0 def\n"); |
|---|
| 1129 | else |
|---|
| 1130 | printf("/hs %g inch def\n", |
|---|
| 1131 | landscape || twinpages ? LANDSCAPE_HEADER : PORTRAIT_HEADER); |
|---|
| 1132 | /* Font sizes */ |
|---|
| 1133 | printf("/bfs %g def\n", fontsize); |
|---|
| 1134 | printf("/bdf /Courier-Bold bfs getfont def\n"); |
|---|
| 1135 | printf("/bm bfs 0.7 mul def\n"); |
|---|
| 1136 | printf("/bf %s bfs getfont def\n", |
|---|
| 1137 | fontweight == NORMAL ? "/CourierBack" : "/Courier-Bold"); |
|---|
| 1138 | /* Page attributes */ |
|---|
| 1139 | printf("/l %d def\n", linesperpage); |
|---|
| 1140 | printf("/c %d def\n", columnsperline); |
|---|
| 1141 | printf("/pw\n"); |
|---|
| 1142 | printf(" bf setfont (0) stringwidth pop c mul bm dup add add\n"); |
|---|
| 1143 | printf(" def\n"); |
|---|
| 1144 | printf("/ph\n"); |
|---|
| 1145 | printf(" bfs l mul bm dup add add hs add\n"); |
|---|
| 1146 | printf(" def\n"); |
|---|
| 1147 | printf("/fns\n"); |
|---|
| 1148 | printf(" pw\n"); |
|---|
| 1149 | printf(" fnfs 4 mul dw add (Page 999) stringwidth pop add\n"); |
|---|
| 1150 | printf(" sub\n"); |
|---|
| 1151 | printf(" def\n"); |
|---|
| 1152 | printf("/tm margin twp {3} {2} ifelse div def\n"); |
|---|
| 1153 | printf("/sd %d def\n", side); |
|---|
| 1154 | if (landscape) { |
|---|
| 1155 | printf("/y [ rm ph add bm add\n"); |
|---|
| 1156 | printf(" dup ] def\n"); |
|---|
| 1157 | printf("/sny dfs dfs add def\n"); |
|---|
| 1158 | printf("/snx sh tm dfs add sub def\n"); |
|---|
| 1159 | printf("/dy sny def\n"); |
|---|
| 1160 | printf("/dx tm dfs add def\n"); |
|---|
| 1161 | if (twinpages) { |
|---|
| 1162 | printf("/x [ tm %% left page\n"); |
|---|
| 1163 | printf(" dup 2 mul pw add %% right page\n"); |
|---|
| 1164 | printf(" ] def\n"); |
|---|
| 1165 | } |
|---|
| 1166 | else { |
|---|
| 1167 | printf("/x [ tm dup ] def\n"); |
|---|
| 1168 | } |
|---|
| 1169 | printf("/scx sh 2 div def\n"); |
|---|
| 1170 | } |
|---|
| 1171 | else { |
|---|
| 1172 | printf("/x [ lm dup ] def\n"); |
|---|
| 1173 | printf("/sny tm dfs 2 mul sub def\n"); |
|---|
| 1174 | printf("/snx sw rm sub dfs sub def\n"); |
|---|
| 1175 | printf("/dy sny def\n"); |
|---|
| 1176 | printf("/dx lm def\n"); |
|---|
| 1177 | if (twinpages) { |
|---|
| 1178 | printf("/y [ tm ph add 2 mul %% up\n"); |
|---|
| 1179 | printf(" tm ph add %% down\n"); |
|---|
| 1180 | printf(" ] def\n"); |
|---|
| 1181 | } |
|---|
| 1182 | else { |
|---|
| 1183 | printf("\n%% Only one logical page\n"); |
|---|
| 1184 | printf("/y [ sh tm sub dup ] def\n"); |
|---|
| 1185 | } |
|---|
| 1186 | printf("/scx sw 2 div def\n"); |
|---|
| 1187 | } |
|---|
| 1188 | printf("/fny dy def\n"); |
|---|
| 1189 | printf("/fnx scx def\n"); |
|---|
| 1190 | printf("/ly fnfs 2 div y sd get add def\n"); |
|---|
| 1191 | printf("/lx snx def\n"); |
|---|
| 1192 | printf("/d (%s) def\n", filedate); |
|---|
| 1193 | printf("( %s ) fn\n", current_filename); |
|---|
| 1194 | } |
|---|
| 1195 | |
|---|
| 1196 | /* |
|---|
| 1197 | * Print one file. |
|---|
| 1198 | */ |
|---|
| 1199 | void |
|---|
| 1200 | print_file(name, header) |
|---|
| 1201 | char *name, *header; |
|---|
| 1202 | { |
|---|
| 1203 | int c; |
|---|
| 1204 | int nchars; |
|---|
| 1205 | int start_line, start_page; |
|---|
| 1206 | int continue_exit; |
|---|
| 1207 | int status, new_status; |
|---|
| 1208 | |
|---|
| 1209 | /* Reinitialize postscript variables depending on positional options */ |
|---|
| 1210 | init_file_printing(name, header == NULL ? name : header); |
|---|
| 1211 | |
|---|
| 1212 | /* If we are in compact mode and the file beginning is to be printed */ |
|---|
| 1213 | /* in the middle of a twinpage, we have to print a new page prologue */ |
|---|
| 1214 | if (twinfiles && sheetside == 1) |
|---|
| 1215 | print_page_prologue(1); |
|---|
| 1216 | |
|---|
| 1217 | /* |
|---|
| 1218 | * Boolean to indicates that previous char is \n (or interpreted \f) |
|---|
| 1219 | * and a new page would be started, if more text follows |
|---|
| 1220 | */ |
|---|
| 1221 | start_page = FALSE; |
|---|
| 1222 | |
|---|
| 1223 | /* |
|---|
| 1224 | * Printing binary files is not very useful. We stop printing |
|---|
| 1225 | * if we detect one of these files. Our heuristic to detect them: |
|---|
| 1226 | * if 75% characters of first page are non-printing characters, |
|---|
| 1227 | * the file is a binary file. |
|---|
| 1228 | * Option -b force binary files impression. |
|---|
| 1229 | */ |
|---|
| 1230 | nonprinting_chars = chars = 0; |
|---|
| 1231 | |
|---|
| 1232 | /* Initialize printing variables */ |
|---|
| 1233 | column = 0; |
|---|
| 1234 | line = line_number = 0; |
|---|
| 1235 | first_page = TRUE; |
|---|
| 1236 | start_line = TRUE; |
|---|
| 1237 | prefix_width = numbering ? 6 : 1; |
|---|
| 1238 | |
|---|
| 1239 | /* Start printing */ |
|---|
| 1240 | skip_page(); |
|---|
| 1241 | |
|---|
| 1242 | /* Process each character of the file */ |
|---|
| 1243 | status = IS_ROMAN; |
|---|
| 1244 | c = mygetc(&new_status); |
|---|
| 1245 | while (c != EOF) { |
|---|
| 1246 | /* |
|---|
| 1247 | * Preprocessing (before printing): |
|---|
| 1248 | * - TABs expansion (see interpret option) |
|---|
| 1249 | * - FF and BS interpretation |
|---|
| 1250 | * - replace non printable characters by a space or a char sequence |
|---|
| 1251 | * like: |
|---|
| 1252 | * ^X for ascii codes < 0x20 (X = [@, A, B, ...]) |
|---|
| 1253 | * ^? for del char |
|---|
| 1254 | * M-c for ascii codes > 0x3f |
|---|
| 1255 | * - prefix parents and backslash ['(', ')', '\'] by backslash |
|---|
| 1256 | * (escape character in postcript) |
|---|
| 1257 | */ |
|---|
| 1258 | /* Form feed */ |
|---|
| 1259 | if (c == '\f' && interpret) { |
|---|
| 1260 | /* Close current line */ |
|---|
| 1261 | if (!start_line) { |
|---|
| 1262 | printf(") s\n"); |
|---|
| 1263 | start_line = TRUE; |
|---|
| 1264 | } |
|---|
| 1265 | /* start a new page ? */ |
|---|
| 1266 | if (start_page) |
|---|
| 1267 | skip_page(); |
|---|
| 1268 | /* Close current page and begin another */ |
|---|
| 1269 | endpage(); |
|---|
| 1270 | start_page = TRUE; |
|---|
| 1271 | /* Verification for binary files */ |
|---|
| 1272 | if (first_page && is_binaryfile(name)) |
|---|
| 1273 | return; |
|---|
| 1274 | line = 0; |
|---|
| 1275 | column = 0; |
|---|
| 1276 | if ((c = mygetc(&new_status)) == EOF) |
|---|
| 1277 | break; |
|---|
| 1278 | } |
|---|
| 1279 | |
|---|
| 1280 | /* Start a new line ? */ |
|---|
| 1281 | if (start_line) { |
|---|
| 1282 | if (start_page) { |
|---|
| 1283 | /* only if there is something to print! */ |
|---|
| 1284 | skip_page(); |
|---|
| 1285 | start_page = FALSE ; |
|---|
| 1286 | } |
|---|
| 1287 | if (numbering) |
|---|
| 1288 | printf("(%4d|", ++line_number); |
|---|
| 1289 | else |
|---|
| 1290 | printf("( "); |
|---|
| 1291 | start_line = FALSE; |
|---|
| 1292 | } |
|---|
| 1293 | |
|---|
| 1294 | /* Is a new font ? This feature is used only to detect bold */ |
|---|
| 1295 | /* sequences produced by nroff (man pages), in connexion with */ |
|---|
| 1296 | /* mygetc. */ |
|---|
| 1297 | if (status != new_status) { |
|---|
| 1298 | printf(")\n"); |
|---|
| 1299 | printf("%s", status == IS_ROMAN ? "b" : "st"); |
|---|
| 1300 | printf(" ("); |
|---|
| 1301 | status = new_status; |
|---|
| 1302 | } |
|---|
| 1303 | |
|---|
| 1304 | /* Interpret each character */ |
|---|
| 1305 | switch (c) { |
|---|
| 1306 | case '\b': |
|---|
| 1307 | if (!interpret) |
|---|
| 1308 | goto print; |
|---|
| 1309 | /* A backspace is converted to 2 chars ('\b'). These chars */ |
|---|
| 1310 | /* with the Courier backspace font produce correct under- */ |
|---|
| 1311 | /* lined strings. */ |
|---|
| 1312 | if (column) |
|---|
| 1313 | column--; |
|---|
| 1314 | putchar('\\'); |
|---|
| 1315 | putchar('b'); |
|---|
| 1316 | break; |
|---|
| 1317 | case '\n': |
|---|
| 1318 | column = 0; |
|---|
| 1319 | start_line = TRUE; |
|---|
| 1320 | printf(") s\n"); |
|---|
| 1321 | if (++line >= linesperpage) { |
|---|
| 1322 | endpage(); |
|---|
| 1323 | start_page = TRUE ; |
|---|
| 1324 | if (first_page && is_binaryfile(name)) |
|---|
| 1325 | return; |
|---|
| 1326 | line = 0; |
|---|
| 1327 | } |
|---|
| 1328 | break; |
|---|
| 1329 | case '\t': |
|---|
| 1330 | if (interpret) { |
|---|
| 1331 | continue_exit = FALSE; |
|---|
| 1332 | do { |
|---|
| 1333 | if (++column + prefix_width > columnsperline) { |
|---|
| 1334 | if (folding) { |
|---|
| 1335 | if (fold_line(name) == FALSE) |
|---|
| 1336 | return; |
|---|
| 1337 | } |
|---|
| 1338 | else { |
|---|
| 1339 | c = cut_line(); |
|---|
| 1340 | continue_exit = TRUE; |
|---|
| 1341 | break; |
|---|
| 1342 | } |
|---|
| 1343 | } |
|---|
| 1344 | putchar(' '); |
|---|
| 1345 | } while (column % column_width); |
|---|
| 1346 | if (continue_exit) |
|---|
| 1347 | continue; |
|---|
| 1348 | break; |
|---|
| 1349 | } |
|---|
| 1350 | default: |
|---|
| 1351 | print: |
|---|
| 1352 | if (only_printable) { |
|---|
| 1353 | nchars = 1; |
|---|
| 1354 | } |
|---|
| 1355 | else if (! ISOlatin1) { |
|---|
| 1356 | nchars = c > 0177 ? 2 : 0; |
|---|
| 1357 | nchars += (c&0177) < ' ' || (c&0177) == 0177 ? 2 : 1; |
|---|
| 1358 | } |
|---|
| 1359 | else { |
|---|
| 1360 | nchars = c < ' ' || (c >= 0177 && c < 144) ? 2 : 1; |
|---|
| 1361 | } |
|---|
| 1362 | |
|---|
| 1363 | if (prefix_width + (column += nchars) > columnsperline) { |
|---|
| 1364 | if (folding) { |
|---|
| 1365 | if (fold_line(name) == FALSE) { |
|---|
| 1366 | return; |
|---|
| 1367 | } |
|---|
| 1368 | } |
|---|
| 1369 | else { |
|---|
| 1370 | c = cut_line(); |
|---|
| 1371 | new_status = IS_ROMAN; |
|---|
| 1372 | continue; |
|---|
| 1373 | } |
|---|
| 1374 | } |
|---|
| 1375 | nonprinting_chars += printchar(c); |
|---|
| 1376 | chars++; |
|---|
| 1377 | break; |
|---|
| 1378 | } |
|---|
| 1379 | c = mygetc(&new_status); |
|---|
| 1380 | } |
|---|
| 1381 | |
|---|
| 1382 | if (!start_line) |
|---|
| 1383 | printf(") s\n"); |
|---|
| 1384 | if (!start_page) |
|---|
| 1385 | endpage(); |
|---|
| 1386 | } |
|---|
| 1387 | |
|---|
| 1388 | |
|---|
| 1389 | /****************************************************************/ |
|---|
| 1390 | /* Print a postscript prologue for a2ps. */ |
|---|
| 1391 | /****************************************************************/ |
|---|
| 1392 | |
|---|
| 1393 | /* |
|---|
| 1394 | * Print the a2ps prologue. |
|---|
| 1395 | */ |
|---|
| 1396 | void |
|---|
| 1397 | print_prologue() |
|---|
| 1398 | { |
|---|
| 1399 | int c; |
|---|
| 1400 | FILE *f; |
|---|
| 1401 | char *datestring; |
|---|
| 1402 | #if defined(SYSV) || defined(BSD) |
|---|
| 1403 | char *logname, *host; |
|---|
| 1404 | int rt; |
|---|
| 1405 | #endif |
|---|
| 1406 | #if defined(SYSV) |
|---|
| 1407 | struct utsname snames; |
|---|
| 1408 | #endif |
|---|
| 1409 | |
|---|
| 1410 | /* Retrieve date and hour */ |
|---|
| 1411 | #if defined(__STDC__) |
|---|
| 1412 | time_t date; |
|---|
| 1413 | |
|---|
| 1414 | if (time(&date) == -1) { |
|---|
| 1415 | fprintf(stderr, "Error calculating time\n"); |
|---|
| 1416 | exit(EXIT_FAILURE); |
|---|
| 1417 | } |
|---|
| 1418 | datestring = ctime(&date); |
|---|
| 1419 | #else |
|---|
| 1420 | #ifdef BSD |
|---|
| 1421 | struct timeval date; |
|---|
| 1422 | struct tm *p; |
|---|
| 1423 | |
|---|
| 1424 | (void) gettimeofday(&date, (struct timezone *)0); |
|---|
| 1425 | p = localtime(&date.tv_sec); |
|---|
| 1426 | datestring = asctime(p); |
|---|
| 1427 | #else |
|---|
| 1428 | #ifdef SYSV |
|---|
| 1429 | struct timeb date; |
|---|
| 1430 | |
|---|
| 1431 | (void)ftime(&date); |
|---|
| 1432 | datestring = ctime(&date.time); |
|---|
| 1433 | #else |
|---|
| 1434 | |
|---|
| 1435 | datestring = "--- --- -- --:--:-- ----"; |
|---|
| 1436 | #endif |
|---|
| 1437 | #endif |
|---|
| 1438 | #endif |
|---|
| 1439 | |
|---|
| 1440 | #if defined(SYSV) || defined(BSD) |
|---|
| 1441 | /* Retrieve user's login name and hostname */ |
|---|
| 1442 | logname = getlogin(); |
|---|
| 1443 | host = (char *)malloc(MAX_HOSTNAME); |
|---|
| 1444 | if (host != NULL) { |
|---|
| 1445 | #if defined(SYSV) |
|---|
| 1446 | if ((rt = uname(&snames)) == -1 || snames.nodename[0] == NULL) { |
|---|
| 1447 | free(host); |
|---|
| 1448 | host = NULL; |
|---|
| 1449 | } |
|---|
| 1450 | else |
|---|
| 1451 | strcpy(host, snames.nodename); |
|---|
| 1452 | #else |
|---|
| 1453 | if ((rt = gethostname(host, MAX_HOSTNAME)) == -1 || host[0] == NULL) { |
|---|
| 1454 | free(host); |
|---|
| 1455 | host = NULL; |
|---|
| 1456 | } |
|---|
| 1457 | #endif |
|---|
| 1458 | } |
|---|
| 1459 | #endif |
|---|
| 1460 | |
|---|
| 1461 | /* Print a general prologue */ |
|---|
| 1462 | if (prologue == NULL) |
|---|
| 1463 | print_standard_prologue(datestring); |
|---|
| 1464 | else if ((f = fopen(prologue, "r")) != NULL) { |
|---|
| 1465 | /* Header file printing */ |
|---|
| 1466 | while ((c = getc(f)) != EOF) |
|---|
| 1467 | putchar(c); |
|---|
| 1468 | } |
|---|
| 1469 | else { |
|---|
| 1470 | fprintf(stderr, "Postscript header missing: %s\n", prologue); |
|---|
| 1471 | exit(EXIT_FAILURE); |
|---|
| 1472 | } |
|---|
| 1473 | |
|---|
| 1474 | /* Completes the prologue with a2ps static variables */ |
|---|
| 1475 | printf("\n%% Initialize page description variables.\n"); |
|---|
| 1476 | printf("/x0 0 def\n"); |
|---|
| 1477 | printf("/y0 0 def\n"); |
|---|
| 1478 | printf("/sh %g inch def\n", (double)HEIGHT); |
|---|
| 1479 | printf("/sw %g inch def\n", (double)WIDTH); |
|---|
| 1480 | printf("/margin %g inch def\n", (double)MARGIN); |
|---|
| 1481 | printf("/rm margin 3 div def\n"); |
|---|
| 1482 | printf("/lm margin 2 mul 3 div def\n"); |
|---|
| 1483 | printf("/d () def\n"); |
|---|
| 1484 | |
|---|
| 1485 | /* And print them */ |
|---|
| 1486 | sprintf(currentdate, "%.6s %.4s %.5s", |
|---|
| 1487 | datestring+4, datestring+20, datestring+11); |
|---|
| 1488 | printf("/td (%s) def\n", currentdate); |
|---|
| 1489 | |
|---|
| 1490 | #if defined(SYSV) || defined(BSD) |
|---|
| 1491 | /* Add the user's login name string to the Postscript output */ |
|---|
| 1492 | if (logname != NULL || host != NULL) { |
|---|
| 1493 | if (logname != NULL && host != NULL) |
|---|
| 1494 | printf("/lg (Printed by %s from %s) def\n", logname, host); |
|---|
| 1495 | else if (logname != NULL) |
|---|
| 1496 | printf("/lg (Printed by %s) def\n", logname); |
|---|
| 1497 | else |
|---|
| 1498 | printf("/lg (Printed from %s) def\n", host); |
|---|
| 1499 | } |
|---|
| 1500 | |
|---|
| 1501 | /* If the host string was allocated via malloc, release the memory */ |
|---|
| 1502 | if (host != NULL) |
|---|
| 1503 | free(host); |
|---|
| 1504 | #endif |
|---|
| 1505 | |
|---|
| 1506 | /* Close prolog */ |
|---|
| 1507 | printf("%%%%EndProlog\n\n"); |
|---|
| 1508 | |
|---|
| 1509 | /* Go on */ |
|---|
| 1510 | printf("/docsave save def\n"); |
|---|
| 1511 | } |
|---|
| 1512 | |
|---|
| 1513 | /* |
|---|
| 1514 | * Print the standard prologue. |
|---|
| 1515 | */ |
|---|
| 1516 | void |
|---|
| 1517 | print_standard_prologue(datestring) |
|---|
| 1518 | char *datestring; |
|---|
| 1519 | { |
|---|
| 1520 | printf("%%!PS-Adobe-3.0\n"); |
|---|
| 1521 | printf("%%%%Creator: A2ps version %s\n", VERSION); |
|---|
| 1522 | printf("%%%%CreationDate: %.24s\n", datestring); |
|---|
| 1523 | printf("%%%%Pages: (atend)\n"); |
|---|
| 1524 | printf("%%%%DocumentFonts: Courier Courier-Bold Helvetica Helvetica-Bold\n"); |
|---|
| 1525 | printf("%%%%EndComments\n"); |
|---|
| 1526 | printf("%% Copyright (c) 1993, 1994, Miguel Santana, M.Santana@frgu.bull.fr\n"); |
|---|
| 1527 | printf("\n/$a2psdict 100 dict def\n"); |
|---|
| 1528 | printf("$a2psdict begin\n"); |
|---|
| 1529 | printf("\n%% General macros.\n"); |
|---|
| 1530 | printf("/xdef {exch def} bind def\n"); |
|---|
| 1531 | printf("/getfont {exch findfont exch scalefont} bind def\n"); |
|---|
| 1532 | |
|---|
| 1533 | if (ISOlatin1) { |
|---|
| 1534 | printf("\n%% Set up ISO Latin 1 character encoding\n"); |
|---|
| 1535 | printf("/reencodeISO {\n"); |
|---|
| 1536 | printf(" dup dup findfont dup length dict begin\n"); |
|---|
| 1537 | printf(" { 1 index /FID ne { def }{ pop pop } ifelse\n"); |
|---|
| 1538 | printf(" } forall\n"); |
|---|
| 1539 | printf(" /Encoding ISOLatin1Encoding def\n"); |
|---|
| 1540 | printf(" currentdict end definefont\n"); |
|---|
| 1541 | printf("} def\n"); |
|---|
| 1542 | printf("/Helvetica-Bold reencodeISO def\n"); |
|---|
| 1543 | printf("/Helvetica reencodeISO def\n"); |
|---|
| 1544 | printf("/Courier reencodeISO def\n"); |
|---|
| 1545 | printf("/Courier-Bold reencodeISO def\n"); |
|---|
| 1546 | } |
|---|
| 1547 | |
|---|
| 1548 | printf("\n%% Create Courier backspace font\n"); |
|---|
| 1549 | printf("/backspacefont {\n"); |
|---|
| 1550 | printf(" /Courier findfont dup length dict begin\n"); |
|---|
| 1551 | printf(" { %% forall\n"); |
|---|
| 1552 | printf(" 1 index /FID eq { pop pop } { def } ifelse\n"); |
|---|
| 1553 | printf(" } forall\n"); |
|---|
| 1554 | printf(" currentdict /UniqueID known { %% if\n"); |
|---|
| 1555 | printf(" /UniqueID UniqueID 16#800000 xor def\n"); |
|---|
| 1556 | printf(" } if\n"); |
|---|
| 1557 | printf(" CharStrings length 1 add dict begin\n"); |
|---|
| 1558 | printf(" CharStrings { def } forall\n"); |
|---|
| 1559 | printf(" /backspace { -600 0 0 0 0 0 setcachedevice } bind def\n"); |
|---|
| 1560 | printf(" currentdict\n"); |
|---|
| 1561 | printf(" end\n"); |
|---|
| 1562 | printf(" /CharStrings exch def\n"); |
|---|
| 1563 | printf(" /Encoding Encoding 256 array copy def\n"); |
|---|
| 1564 | printf(" Encoding 8 /backspace put\n"); |
|---|
| 1565 | printf(" currentdict\n"); |
|---|
| 1566 | printf(" end\n"); |
|---|
| 1567 | printf(" definefont pop\n"); |
|---|
| 1568 | printf("} bind def\n"); |
|---|
| 1569 | |
|---|
| 1570 | printf("\n%% FUNCTIONS\n"); |
|---|
| 1571 | printf("\n%% Function filename: Initialize file printing.\n"); |
|---|
| 1572 | printf("/fn\n"); |
|---|
| 1573 | printf("{ /filenm xdef\n"); |
|---|
| 1574 | printf(" /filenmwidth filenm stringwidth pop def\n"); |
|---|
| 1575 | printf(" /filenmfont\n"); |
|---|
| 1576 | printf(" filenmwidth fns gt\n"); |
|---|
| 1577 | printf(" {\n"); |
|---|
| 1578 | printf(" filenmfontname\n"); |
|---|
| 1579 | printf(" fnfs fns mul filenmwidth div\n"); |
|---|
| 1580 | printf(" getfont\n"); |
|---|
| 1581 | printf(" }\n"); |
|---|
| 1582 | printf(" { sfnf }\n"); |
|---|
| 1583 | printf(" ifelse\n"); |
|---|
| 1584 | printf(" def\n"); |
|---|
| 1585 | printf("} bind def\n"); |
|---|
| 1586 | printf("\n%% Function header: prints page header. no page\n"); |
|---|
| 1587 | printf("%% is passed as argument.\n"); |
|---|
| 1588 | printf("/hp\n"); |
|---|
| 1589 | printf(" { x sd get y sd get hs sub 1 add moveto\n"); |
|---|
| 1590 | printf(" df setfont\n"); |
|---|
| 1591 | printf(" gsave\n"); |
|---|
| 1592 | printf(" x sd get y sd get moveto\n"); |
|---|
| 1593 | printf(" 0 hs 2 div neg rmoveto \n"); |
|---|
| 1594 | printf(" hs setlinewidth\n"); |
|---|
| 1595 | printf(" 0.95 setgray\n"); |
|---|
| 1596 | printf(" pw 0 rlineto stroke\n"); |
|---|
| 1597 | printf(" grestore\n"); |
|---|
| 1598 | printf(" gsave\n"); |
|---|
| 1599 | printf(" dfs hm rmoveto\n"); |
|---|
| 1600 | printf(" d show %% date/hour\n"); |
|---|
| 1601 | printf(" grestore\n"); |
|---|
| 1602 | printf(" gsave\n"); |
|---|
| 1603 | printf(" pnum cvs pop %% page pop up\n"); |
|---|
| 1604 | printf(" pw (Page 999) stringwidth pop sub\n"); |
|---|
| 1605 | printf(" hm\n"); |
|---|
| 1606 | printf(" rmoveto\n"); |
|---|
| 1607 | printf(" (Page ) show pnum show %% page number\n"); |
|---|
| 1608 | printf(" grestore\n"); |
|---|
| 1609 | printf(" empty pnum copy pop\n"); |
|---|
| 1610 | printf(" gsave\n"); |
|---|
| 1611 | printf(" filenmfont setfont\n"); |
|---|
| 1612 | printf(" fns filenm stringwidth pop sub 2 div dw add\n"); |
|---|
| 1613 | printf(" bm 2 mul \n"); |
|---|
| 1614 | printf(" add \n"); |
|---|
| 1615 | printf(" hm\n"); |
|---|
| 1616 | printf(" rmoveto\n"); |
|---|
| 1617 | printf(" filenm show %% file name\n"); |
|---|
| 1618 | printf(" grestore\n"); |
|---|
| 1619 | printf(" } bind def\n"); |
|---|
| 1620 | printf("\n%% Function border: prints border page\n"); |
|---|
| 1621 | printf("/border \n"); |
|---|
| 1622 | printf("{ x sd get y sd get moveto\n"); |
|---|
| 1623 | printf(" gsave %% print four sides\n"); |
|---|
| 1624 | printf(" 0.7 setlinewidth %% of the square\n"); |
|---|
| 1625 | printf(" pw 0 rlineto\n"); |
|---|
| 1626 | printf(" 0 ph neg rlineto\n"); |
|---|
| 1627 | printf(" pw neg 0 rlineto\n"); |
|---|
| 1628 | printf(" closepath stroke\n"); |
|---|
| 1629 | printf(" grestore\n"); |
|---|
| 1630 | printf("} bind def\n"); |
|---|
| 1631 | printf("\n%% Function hborder: completes border of the header.\n"); |
|---|
| 1632 | printf("/hborder \n"); |
|---|
| 1633 | printf("{ gsave\n"); |
|---|
| 1634 | printf(" 0.7 setlinewidth\n"); |
|---|
| 1635 | printf(" 0 hs neg rmoveto\n"); |
|---|
| 1636 | printf(" pw 0 rlineto\n"); |
|---|
| 1637 | printf(" stroke\n"); |
|---|
| 1638 | printf(" grestore\n"); |
|---|
| 1639 | printf("} bind def\n"); |
|---|
| 1640 | printf("\n%% Function sheetnumber: prints the sheet number.\n"); |
|---|
| 1641 | printf("/sn\n"); |
|---|
| 1642 | printf(" { snx sny moveto\n"); |
|---|
| 1643 | printf(" df setfont\n"); |
|---|
| 1644 | printf(" pnum cvs\n"); |
|---|
| 1645 | printf(" dup stringwidth pop (0) stringwidth pop sub neg 0 rmoveto show\n"); |
|---|
| 1646 | printf(" empty pnum copy pop\n"); |
|---|
| 1647 | printf(" } bind def\n"); |
|---|
| 1648 | printf("\n%% Function loginprint: prints the login id of the requestor.\n"); |
|---|
| 1649 | printf("/lgp\n"); |
|---|
| 1650 | printf(" { lx ly moveto\n"); |
|---|
| 1651 | printf(" df setfont\n"); |
|---|
| 1652 | printf(" dup stringwidth pop neg 0 rmoveto show\n"); |
|---|
| 1653 | printf(" } bind def\n"); |
|---|
| 1654 | printf("\n%% Function currentdate: prints the current date.\n"); |
|---|
| 1655 | printf("/cd\n"); |
|---|
| 1656 | printf(" { dx dy moveto\n"); |
|---|
| 1657 | printf(" df setfont\n"); |
|---|
| 1658 | printf(" (Printed: ) show\n"); |
|---|
| 1659 | printf(" td show\n"); |
|---|
| 1660 | printf(" } bind def\n"); |
|---|
| 1661 | printf("\n%% Function filename_footer: prints the file name at bottom of page.\n"); |
|---|
| 1662 | printf("/fnf\n"); |
|---|
| 1663 | printf(" { fnx fny moveto\n"); |
|---|
| 1664 | printf(" df setfont\n"); |
|---|
| 1665 | printf(" filenm center show\n"); |
|---|
| 1666 | printf(" } bind def\n"); |
|---|
| 1667 | printf("\n%% Function center: centers text.\n"); |
|---|
| 1668 | printf("/center\n"); |
|---|
| 1669 | printf(" { dup stringwidth pop\n"); |
|---|
| 1670 | printf(" 2 div neg 0 rmoveto\n"); |
|---|
| 1671 | printf(" } bind def\n"); |
|---|
| 1672 | printf("\n%% Function s: print a source line\n"); |
|---|
| 1673 | printf("/s { show\n"); |
|---|
| 1674 | printf(" /y0 y0 bfs sub def\n"); |
|---|
| 1675 | printf(" x0 y0 moveto\n"); |
|---|
| 1676 | printf(" } bind def\n"); |
|---|
| 1677 | printf("\n%% Functions b and st: change to bold or standard font\n"); |
|---|
| 1678 | printf("/b { show\n"); |
|---|
| 1679 | printf(" bdf setfont\n"); |
|---|
| 1680 | printf(" } bind def\n"); |
|---|
| 1681 | printf("/st { show\n"); |
|---|
| 1682 | printf(" bf setfont\n"); |
|---|
| 1683 | printf(" } bind def\n"); |
|---|
| 1684 | printf("\n%% Strings used to make easy printing numbers\n"); |
|---|
| 1685 | printf("/pnum 12 string def\n"); |
|---|
| 1686 | printf("/empty 12 string def\n"); |
|---|
| 1687 | printf("\n%% Global initializations\n"); |
|---|
| 1688 | printf("\n/CourierBack backspacefont\n"); |
|---|
| 1689 | printf("/filenmfontname /Helvetica-Bold def\n"); |
|---|
| 1690 | printf("/inch {72 mul} bind def\n"); |
|---|
| 1691 | |
|---|
| 1692 | printf("\n%%\n"); |
|---|
| 1693 | printf("%% Meaning of some variables and functions (coded names)\n"); |
|---|
| 1694 | printf("%%\n"); |
|---|
| 1695 | printf("%% twp: twinpages?\n"); |
|---|
| 1696 | printf("%% sd: sheet side\n"); |
|---|
| 1697 | printf("%% l: line counter\n"); |
|---|
| 1698 | printf("%% c: column counter\n"); |
|---|
| 1699 | printf("%% d: date\n"); |
|---|
| 1700 | printf("%% td: current date (for today)\n"); |
|---|
| 1701 | printf("%% lg: login name\n"); |
|---|
| 1702 | printf("%% fn: filename printing function\n"); |
|---|
| 1703 | printf("%% sn: sheetnumber printing function\n"); |
|---|
| 1704 | printf("%% cd: current date printing function\n"); |
|---|
| 1705 | printf("%% fnf: filename footer printing function\n"); |
|---|
| 1706 | printf("%% lgp: login printing function\n"); |
|---|
| 1707 | printf("%% hp: header printing function\n"); |
|---|
| 1708 | printf("%% y: y coordinate for the logical page\n"); |
|---|
| 1709 | printf("%% x: x coordinate for the logical page\n"); |
|---|
| 1710 | printf("%% sny: y coordinate for the sheet number\n"); |
|---|
| 1711 | printf("%% snx: x coordinate for the sheet number\n"); |
|---|
| 1712 | printf("%% dy: y coordinate for the date\n"); |
|---|
| 1713 | printf("%% dx: x coordinate for the date\n"); |
|---|
| 1714 | printf("%% ly: y coordinate for the login\n"); |
|---|
| 1715 | printf("%% lx: x coordinate for the login\n"); |
|---|
| 1716 | printf("%% scx: x coordinate for the sheet center\n"); |
|---|
| 1717 | printf("%% fny: y coordinate for the filename (footer)\n"); |
|---|
| 1718 | printf("%% fnx: x coordinate for the filename (footer)\n"); |
|---|
| 1719 | printf("%% fnfs: filename font size\n"); |
|---|
| 1720 | printf("%% bfs: body font size\n"); |
|---|
| 1721 | printf("%% dfs: date font size\n"); |
|---|
| 1722 | printf("%% bfs: body font size\n"); |
|---|
| 1723 | printf("%% df: date font\n"); |
|---|
| 1724 | printf("%% bf: body font\n"); |
|---|
| 1725 | printf("%% bdf: bold font\n"); |
|---|
| 1726 | printf("%% sfnf: standard filename font\n"); |
|---|
| 1727 | printf("%% dw: date width\n"); |
|---|
| 1728 | printf("%% pw: page width\n"); |
|---|
| 1729 | printf("%% sw: sheet width\n"); |
|---|
| 1730 | printf("%% ph: page height\n"); |
|---|
| 1731 | printf("%% sh: sheet height\n"); |
|---|
| 1732 | printf("%% hm: header margin\n"); |
|---|
| 1733 | printf("%% tm: top margin\n"); |
|---|
| 1734 | printf("%% bm: body margin\n"); |
|---|
| 1735 | printf("%% rm: right margin\n"); |
|---|
| 1736 | printf("%% lm: left margin\n"); |
|---|
| 1737 | printf("%% hs: header size\n"); |
|---|
| 1738 | printf("%% fns: filename size\n"); |
|---|
| 1739 | } |
|---|
| 1740 | |
|---|
| 1741 | |
|---|
| 1742 | /* |
|---|
| 1743 | * Main routine for a2ps. |
|---|
| 1744 | */ |
|---|
| 1745 | int |
|---|
| 1746 | main(argc, argv) |
|---|
| 1747 | int argc; |
|---|
| 1748 | char *argv[]; |
|---|
| 1749 | { |
|---|
| 1750 | int narg; |
|---|
| 1751 | char *arg; |
|---|
| 1752 | int total; |
|---|
| 1753 | #if LPR_PRINT |
|---|
| 1754 | int fd[2]; |
|---|
| 1755 | const char *lpr_args[10]; |
|---|
| 1756 | #endif |
|---|
| 1757 | |
|---|
| 1758 | /* Process global options */ |
|---|
| 1759 | command = argv[0]; |
|---|
| 1760 | arg = argv[narg = 1]; |
|---|
| 1761 | while (narg < argc) { |
|---|
| 1762 | if (arg[0] == '-') |
|---|
| 1763 | set_global_option(arg); |
|---|
| 1764 | arg = argv[++narg]; |
|---|
| 1765 | } |
|---|
| 1766 | |
|---|
| 1767 | #if LPR_PRINT |
|---|
| 1768 | /* Start lpr process */ |
|---|
| 1769 | if (lpr_print) { |
|---|
| 1770 | pipe(fd); |
|---|
| 1771 | if (fork() == 0) { |
|---|
| 1772 | dup2(fd[0], 0); |
|---|
| 1773 | close(fd[0]); close(fd[1]); |
|---|
| 1774 | narg = 0; |
|---|
| 1775 | lpr_args[narg++] = LPR_COMMAND; |
|---|
| 1776 | #ifdef LPR_OPT |
|---|
| 1777 | lpr_args[narg++] = LPR_OPT; |
|---|
| 1778 | #endif |
|---|
| 1779 | if (lpr_opt) |
|---|
| 1780 | lpr_args[narg++] = lpr_opt; |
|---|
| 1781 | #ifdef RECTO_VERSO_PRINTING |
|---|
| 1782 | if (rectoverso) |
|---|
| 1783 | lpr_args[narg++] = TWOSIDED; |
|---|
| 1784 | else |
|---|
| 1785 | lpr_args[narg++] = ONESIDED; |
|---|
| 1786 | #endif |
|---|
| 1787 | lpr_args[narg] = (char *)0; |
|---|
| 1788 | execvp(LPR_COMMAND, (char**)lpr_args); |
|---|
| 1789 | fprintf(stderr, "Error starting lpr process \n"); |
|---|
| 1790 | exit(EXIT_FAILURE); |
|---|
| 1791 | } |
|---|
| 1792 | dup2(fd[1],1); |
|---|
| 1793 | close(fd[0]); |
|---|
| 1794 | close(fd[1]); |
|---|
| 1795 | } |
|---|
| 1796 | #endif |
|---|
| 1797 | |
|---|
| 1798 | /* Initialize variables not depending of positional options */ |
|---|
| 1799 | landscape = twinpages = -1; /* To force format switching */ |
|---|
| 1800 | fontsize = -1.0; /* To force fontsize switching */ |
|---|
| 1801 | page_height = (double)(HEIGHT - MARGIN) * PIXELS_INCH; |
|---|
| 1802 | page_width = (double)(WIDTH - MARGIN) * PIXELS_INCH; |
|---|
| 1803 | |
|---|
| 1804 | /* Postcript prologue printing */ |
|---|
| 1805 | print_prologue(); |
|---|
| 1806 | |
|---|
| 1807 | /* Print files designated or standard input */ |
|---|
| 1808 | arg = argv[narg = 1]; |
|---|
| 1809 | while (narg < argc) { |
|---|
| 1810 | if (arg[0] != NUL) { |
|---|
| 1811 | if (arg[0] == '-') |
|---|
| 1812 | set_positional_option(arg); |
|---|
| 1813 | else { |
|---|
| 1814 | if (freopen(arg, "r", stdin) == NULL) { |
|---|
| 1815 | fprintf(stderr, "Error opening %s\n", arg); |
|---|
| 1816 | cleanup(); |
|---|
| 1817 | printf("\n%%%%Trailer\ndocsave restore end\n\4"); |
|---|
| 1818 | exit(EXIT_FAILURE); |
|---|
| 1819 | } |
|---|
| 1820 | no_files = FALSE; |
|---|
| 1821 | |
|---|
| 1822 | /* Save counters values */ |
|---|
| 1823 | old_pages = pages; |
|---|
| 1824 | if (twinfiles && twinpages) |
|---|
| 1825 | old_sheets = sheets; |
|---|
| 1826 | else |
|---|
| 1827 | old_sheets = sheets + sheetside; |
|---|
| 1828 | |
|---|
| 1829 | /* Print the file */ |
|---|
| 1830 | print_file(arg, header_text); |
|---|
| 1831 | |
|---|
| 1832 | /* Print the number of pages and sheets printed */ |
|---|
| 1833 | if (no_summary == FALSE) { |
|---|
| 1834 | total = pages - old_pages; |
|---|
| 1835 | fprintf(stderr, "[%s: %d page%s on ", arg, |
|---|
| 1836 | total, total == 1 ? "" : "s"); |
|---|
| 1837 | total = sheets - old_sheets + sheetside; |
|---|
| 1838 | #ifdef RECTO_VERSO_PRINTING |
|---|
| 1839 | if (rectoverso) |
|---|
| 1840 | total = (total+1) / 2; |
|---|
| 1841 | #endif |
|---|
| 1842 | fprintf(stderr, "%d sheet%s]\n", total, total == 1 ? "" : "s"); |
|---|
| 1843 | } |
|---|
| 1844 | |
|---|
| 1845 | /* Reinitialize header title */ |
|---|
| 1846 | header_text = NULL; |
|---|
| 1847 | } |
|---|
| 1848 | } |
|---|
| 1849 | arg = argv[++narg]; |
|---|
| 1850 | } |
|---|
| 1851 | if (no_files) |
|---|
| 1852 | print_file((char*)"stdin", header_text); |
|---|
| 1853 | |
|---|
| 1854 | /* Print the total number of pages printed */ |
|---|
| 1855 | if (no_summary == FALSE && pages != old_pages) { |
|---|
| 1856 | fprintf(stderr, "[Total: %d page%s on ", pages, pages == 1 ? "" : "s"); |
|---|
| 1857 | total = sheets + sheetside; |
|---|
| 1858 | #ifdef RECTO_VERSO_PRINTING |
|---|
| 1859 | if (rectoverso) |
|---|
| 1860 | total = (total+1) / 2; |
|---|
| 1861 | #endif |
|---|
| 1862 | fprintf(stderr, "%d sheet%s]\n", total, total == 1 ? "" : "s"); |
|---|
| 1863 | } |
|---|
| 1864 | |
|---|
| 1865 | /* And stop */ |
|---|
| 1866 | cleanup(); |
|---|
| 1867 | printf("\n%%%%Trailer\n"); |
|---|
| 1868 | printf("%%%%Pages: %d\n", sheets + sheetside); |
|---|
| 1869 | printf("docsave restore end\n"); |
|---|
| 1870 | |
|---|
| 1871 | exit(EXIT_SUCCESS); |
|---|
| 1872 | } |
|---|