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static char rcsid[] = "$Header: /usr/jjc/dvitops/RCS/main.c,v 1.8 90/08/14 13:10:37 jjc Rel $";
#include "dvitops.h"
char *texfonts = TEXFONTS;
char *texinputs = TEXINPUTS;
char *texpk = TEXPK;
int dpi = DPI;
char *page_used[MAXFONTS];
long f_memory = 200*1024L;
/* each region has a number which indexes into the `region' vector */
/* the default region is `NO_REGION', and doesn't have an entry */
int current_region = NO_REGION;
int nregions = 0;
int quiet = FALSE;
#ifdef PROTO
static void usage(void);
#else
static void usage();
#endif
#ifdef PROTO
static char **newargv(char **argv, int *argcp);
#else
static char **newargv();
#endif
char *program_name;
void main(argc, argv)
int argc;
char *argv[];
{
int c;
int i;
char *ptr;
#ifndef HAVE_REDIRECTION
FILE *ofp;
#endif
FILE *fp;
struct option_info option;
int exit_code;
program_name = argv[0];
opterr = 0; /* disable message from getopt */
option.mag = 0; /* specified by default in dvi file */
option.voffset = option.hoffset = 72.0; /* 1in in PostScript points */
option.reverse = 0;
option.maxpages = INT_MAX;
option.copies = 1;
option.sort = FALSE;
option.paper = PAPER;
if ((ptr = getenv("TEXINPUTS")) != NULL)
texinputs = ptr;
if ((ptr = getenv("TEXFONTS")) != NULL)
texfonts = ptr;
if ((ptr = getenv("TEXPK")) != NULL)
texpk = ptr;
for (i = 0; i < 10; i++)
option.start_page[i] = WILD;
argv = newargv(argv, &argc);
while ((c = getopt(argc, argv, "qf:y:c:m:rp:n:sh:v:d:")) != EOF)
switch (c) {
case 'q':
quiet = TRUE;
break;
case 'p':
option.paper = optarg;
break;
case 'y':
f_memory = atol(optarg)*1024L;
break;
case 'c':
option.copies = atoi(optarg);
if (option.copies == 0)
option.copies = 1;
break;
case 'm':
option.mag = atoi(optarg);
if (option.mag <= 0) {
message(ERROR, "bad magnification: using 1000 instead");
option.mag = 1000;
}
break;
case 'r':
option.reverse = !option.reverse;
break;
case 'f':
ptr = optarg;
for (i = 0; i < 10 && *ptr != '\0'; i++) {
if (*ptr == '*') {
option.start_page[i] = WILD;
++ptr;
}
else {
option.start_page[i] = atol(ptr);
if (*ptr == '+' || *ptr == '-')
++ptr;
while (isdigit(*ptr))
ptr++;
}
if (*ptr == '.')
++ptr;
else if (*ptr == '\0')
break;
else
usage();
}
break;
case 'n':
option.maxpages = atoi(optarg);
break;
case 's':
option.sort = TRUE;
break;
case 'h':
if (bigpoint(optarg, (char **)NULL,&option.hoffset) == 0)
usage();
break;
case 'v':
if (bigpoint(optarg, (char **)NULL, &option.voffset) == 0)
usage();
break;
case 'd':
dpi = atoi(optarg);
break;
case '?':
usage();
default:
cant_happen();
}
if (argc - optind == 1) {
#ifndef HAVE_REDIRECTION
int len;
char ofilename[FILENAME_MAX+1];
#endif
if ((fp = xfopen(argv[optind], TRUE, (char *)NULL, ".dvi")) == NULL)
message(FATAL_ERROR, "can't find %s", argv[optind]);
#ifndef HAVE_REDIRECTION
len = strlen(argv[optind]);
if (len >= 4 &&
#ifdef CASE_INSENSITIVE_FILENAMES
stricmp(argv[optind] - 4, ".dvi") == 0
#else
strcmp(argv[optind] - 4, ".dvi") == 0
#endif
) {
if (len < FILENAME_MAX) {
strcpy(ofilename, argv[optind]);
strcpy(ofilename + len - 3, "ps");
}
else
message(FATAL_ERROR, "input filename `%s' too long", argv[optind]);
}
else if (len <= FILENAME_MAX - 3) {
strcpy(ofilename, argv[optind]);
strcpy(ofilename + len, ".ps");
}
else
message(FATAL_ERROR, "input filename `%s' too long", argv[optind]);
if ((ofp = fopen(ofilename, "w")) == NULL)
message(FATAL_ERROR, "can't open `%s' for output", ofilename);
#endif
}
#ifdef HAVE_REDIRECTION
else if (argc == optind) {
#ifdef HAVE_ISATTY
if (isatty(fileno(stdin)))
message(FATAL_ERROR, "can't seek on standard input");
#endif
fp = stdin;
}
#endif
else
usage();
#ifdef HAVE_SETVBUF
setvbuf(fp, (char *)NULL, _IOFBF, 16384); /* ignore any error */
#endif
read_dvi_file(fp,
#ifdef HAVE_REDIRECTION
stdout,
#else
ofp,
#endif
&option);
switch (history) {
case INFORMATION:
exit_code = NORMAL_EXIT_CODE;
break;
case WARNING:
exit_code = WARNING_EXIT_CODE;
break;
case ERROR:
exit_code = ERROR_EXIT_CODE;
break;
case FATAL_ERROR:
exit_code = FATAL_ERROR_EXIT_CODE;
break;
default:
cant_happen();
break;
}
exit(exit_code);
}
/* this looks for an environmental variable called DVITOPS
and types it into the command line */
#define MAXARGS 256
static char **newargv(argv, argcp)
char **argv;
int *argcp;
{
char **p;
int i;
int argc = 0;
char *s, *env;
if ((s = getenv("DVITOPS")) == NULL)
return argv;
if ((env = (char *)malloc(strlen(s) + 1)) == NULL)
out_of_memory();
if ((p = (char **)malloc(sizeof(char *)*MAXARGS)) == NULL)
out_of_memory();
strcpy(env, s);
p[argc++] = argv[0];
s = strtok(env, " \t");
while (s != NULL && argc < MAXARGS) {
p[argc++] = s;
s = strtok((char *)NULL, " \t");
}
for (i = 1; i < *argcp && argc < MAXARGS; i++)
p[argc++] = argv[i];
if (argc == MAXARGS) {
message(ERROR, "too many arguments in environment variable DVITOPS");
return argv;
}
p[argc] = NULL;
*argcp = argc;
return p;
}
static void usage()
{
message(FATAL_ERROR,
#ifdef HAVE_REDIRECTION
"command line error: usage:\n\
dvitops [-qrs] [-c ncopies] [-f firstpage] [-n npages] [-m magnification]\n\
[-y kmem] [-h hoffset] [-v voffset] [-p papersize] [-d dpi] [dvifile]"
#else
"command line error: usage:\n\
dvitops [-Vqrs] [-c ncopies] [-f firstpage] [-n npages] [-m magnification]\n\
[-y kmem] [-h hoffset] [-v voffset] [-p papersize] [-d dpi] dvifile"
#endif
);
}
/*
Local Variables:
tab-width: 4
c-indent-level: 4
c-continued-statement-offset: 4
c-brace-offset: -4
c-argdecl-indent: 0
c-label-offset: -4
End:
*/
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