diff options
Diffstat (limited to 'usr.bin/m4/misc.c')
| -rw-r--r-- | usr.bin/m4/misc.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/usr.bin/m4/misc.c b/usr.bin/m4/misc.c deleted file mode 100644 index 2ed115b..0000000 --- a/usr.bin/m4/misc.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * Copyright (c) 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Ozan Yigit at York University. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include <sys/types.h> -#include <errno.h> -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "mdef.h" -#include "stdd.h" -#include "extern.h" -#include "pathnames.h" - -/* - * find the index of second str in the first str. - */ -int -indx(s1, s2) -char *s1; -char *s2; -{ - register char *t; - register char *p; - register char *m; - - for (p = s1; *p; p++) { - for (t = p, m = s2; *m && *m == *t; m++, t++); - if (!*m) - return (p - s1); - } - return (-1); -} -/* - * putback - push character back onto input - */ -void -putback(c) -char c; -{ - if (bp < endpbb) - *bp++ = c; - else - oops("too many characters pushed back"); -} - -/* - * pbstr - push string back onto input - * putback is replicated to improve - * performance. - */ -void -pbstr(s) -register char *s; -{ - register char *es; - register char *zp; - - es = s; - zp = bp; - - while (*es) - es++; - es--; - while (es >= s) - if (zp < endpbb) - *zp++ = *es--; - if ((bp = zp) == endpbb) - oops("too many characters pushed back"); -} - -/* - * pbnum - convert number to string, push back on input. - */ -void -pbnum(n) -int n; -{ - register int num; - - num = (n < 0) ? -n : n; - do { - putback(num % 10 + '0'); - } - while ((num /= 10) > 0); - - if (n < 0) - putback('-'); -} - -/* - * chrsave - put single char on string space - */ -void -chrsave(c) -char c; -{ - if (ep < endest) - *ep++ = c; - else - oops("string space overflow"); -} - -/* - * read in a diversion file, and dispose it. - */ -void -getdiv(n) -int n; -{ - register int c; - register FILE *dfil; - - if (active == outfile[n]) - oops("%s: diversion still active.", "undivert"); - (void) fclose(outfile[n]); - outfile[n] = NULL; - m4temp[UNIQUE] = n + '0'; - if ((dfil = fopen(m4temp, "r")) == NULL) - oops("%s: cannot undivert.", m4temp); - else - while ((c = getc(dfil)) != EOF) - putc(c, active); - (void) fclose(dfil); - -#ifdef vms - if (remove(m4temp)) -#else - if (unlink(m4temp) == -1) -#endif - oops("%s: cannot unlink.", m4temp); -} - -void -onintr(signo) - int signo; -{ - oops("interrupted."); -} - -/* - * killdiv - get rid of the diversion files - */ -void -killdiv() -{ - register int n; - - for (n = 0; n < MAXOUT; n++) - if (outfile[n] != NULL) { - (void) fclose(outfile[n]); - m4temp[UNIQUE] = n + '0'; -#ifdef vms - (void) remove(m4temp); -#else - (void) unlink(m4temp); -#endif - } -} - -char * -xalloc(n) -unsigned long n; -{ - register char *p = malloc(n); - - if (p == NULL) - oops("malloc: %s", strerror(errno)); - return p; -} - -char * -xstrdup(s) -const char *s; -{ - register char *p = strdup(s); - if (p == NULL) - oops("strdup: %s", strerror(errno)); - return p; -} - -char * -basename(s) -register char *s; -{ - register char *p; - extern char *strrchr(); - - if ((p = strrchr(s, '/')) == NULL) - return s; - - return ++p; -} - -void -usage() -{ - fprintf(stderr, "usage: m4 [-Dname[=val]] [-Uname]\n"); - exit(1); -} - -#if __STDC__ -#include <stdarg.h> -#else -#include <varargs.h> -#endif - -void -#if __STDC__ -oops(const char *fmt, ...) -#else -oops(fmt, va_alist) - char *fmt; - va_dcl -#endif -{ - va_list ap; -#if __STDC__ - va_start(ap, fmt); -#else - va_start(ap); -#endif - (void)fprintf(stderr, "%s: ", progname); - (void)vfprintf(stderr, fmt, ap); - va_end(ap); - (void)fprintf(stderr, "\n"); - exit(1); - /* NOTREACHED */ -} |
