source: tags/initial/GDE/LOOPTOOL/main.c

#include <stdio.h>
#include <string.h>
#include <xview/xview.h>
#include <xview/canvas.h>
#include <xview/cursor.h>
#include <xview/panel.h>
#include "loop.h"
#include "globals.h"

main(ac,av)
int ac;
char **av;
{
        extern /* XView CONVERSION - Due to a name space clash with Xlib, the SunView data-type Window is now Xv_Window in XView. */WindowSetup();
        int j;

        seqnum= -1;
        infile=NULL;
        seqlen=0;
        constraint_state = DISTANCE;
        modified=TRUE;
        sho_con = FALSE;

        switch (ac)
        {
                case 1:
                        fprintf(stderr,"Usage: %s [-t template] datafile\n",
                        av[0]);
                        exit(1);
                        break;

                case 2:
                        ErrorOut("Cannot open sequence file",
                        (infile=fopen(av[ac-1],"r")));
                        ReadSeqSet(&dataset);
                        break;

                case 3:
                        if(av[1][0] == '-' && av[1][1] == 't')
                        {
                                ErrorOut("Cannot open template file",
                                (tempfile=fopen(av[2],"r")));
                        }
                        else 
                        { 
                                fprintf(stderr,
                                "Usage: %s [-t template] datafile\n",av[0]);
                                exit(1); 
                        }
                        break;

                case 4:
                        if(av[1][0] == '-' && av[1][1] == 't')
                        {
                                ErrorOut("Cannot open template file",
                                (tempfile=fopen(av[2],"r")));
                        }
                        else
                        {
                                fprintf(stderr,
                                "Usage: %s [-t template] datafile",av[0]);
                                exit(1);
                        }
                        ErrorOut("Cannot open sequence file",
                        (infile=fopen(av[ac - 1],"r")));
                        ReadSeqSet(&dataset);
                        break;
        };
        WindowSetup();
        exit(0);
}


ErrorOut(msg,code)
char *msg;
int code;
{
        if(code == 0)
        {
                fprintf(stderr,"%s \n",msg);
                exit(1);
        }
        return;
}