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/*
* texfix.c
*
* version 1.5 (September 25, 1992)
* written by Kazuhiro Kazama (kazama@square.ntt.jp)
*
* This original program is "retexps" made by takeba@otsl.oki.co.jp.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
char *mktemp();
#ifdef STRSTR
char *strstr();
#endif
#define PAGECOM "%%Page:"
#define BSP "@beginspecial\n"
#define ESP "@endspecial\n"
#if defined(JDVI2KPS) || defined(JDVI2KPS2)
#define BOP "@bop0\n"
#define EOP "@eop\n"
#else
#ifdef JDVI2KPS3
#define BOP "@bop\n"
#define EOP "@eop\n"
#else
#define BOP "BP\n"
#define EOP "EP\n"
#endif
#endif
char line[BUFSIZ], line2[BUFSIZ];
char *tmpfn;
int cleanup();
main()
{
signal(SIGHUP, cleanup);
signal(SIGINT, cleanup);
signal(SIGQUIT, cleanup);
signal(SIGPIPE, cleanup);
signal(SIGTERM, cleanup);
while (fgets(line, BUFSIZ, stdin) != NULL) {
fputs(line, stdout);
if (strncmp(line, PAGECOM, sizeof(PAGECOM) - 1) == 0)
if (pageout()) {
fprintf(stderr, "unexpected EOF\n");
unlink(tmpfn);
exit(1);
}
}
unlink(tmpfn);
exit(0);
}
pageout()
{
FILE *tmpfp;
char tmpstr[14];
while (fgets(line, BUFSIZ, stdin) != NULL) {
fputs(line, stdout);
if (strcmp(line, BOP) == 0) {
strcpy(tmpstr, "/tmp/tfXXXXXX");
if ((tmpfp = fdopen(mkstemp(tmpstr), "w")) == NULL) {
perror("fopen failed.");
exit(1);
}
while (fgets(line, BUFSIZ, stdin) != NULL)
if (strcmp(line, EOP) == 0) {
fclose(tmpfp);
if ((tmpfp = fopen(tmpstr, "r")) == NULL) {
perror("fopen failed.");
exit(1);
}
while (fgets(line2, BUFSIZ, tmpfp) != NULL)
fputs(line2, stdout);
fclose(tmpfp);
fputs(line, stdout);
return 0;
} else if (strstr(line, BSP) != NULL) {
fputs(line, stdout);
if (specialout()) {
fclose(tmpfp);
return 1;
}
} else
fputs(line, tmpfp);
}
}
return 0;
}
specialout()
{
int inspecial = 1;
while (fgets(line, BUFSIZ, stdin) != NULL) {
fputs(line, stdout);
if (strcmp(line, ESP) == 0 && --inspecial == 0)
return 0;
else if (strstr(line, BSP) != NULL)
inspecial++;
}
return 1;
}
cleanup()
{
unlink(tmpfn);
exit(0);
}
#ifdef STRSTR
char *strstr(s1, s2)
register char *s1, *s2;
{
register int l1, l2;
register char c2;
if ((c2 = *s2) != '\0')
for (l1 = strlen(s1), l2 = strlen(++s2); l1 > l2; l1--)
if (*s1++ == c2 && strncmp(s1, s2, l2) == 0)
return --s1;
return NULL;
}
#endif
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