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Diffstat (limited to 'usr.bin/apropos/apropos.c')
| -rw-r--r-- | usr.bin/apropos/apropos.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/usr.bin/apropos/apropos.c b/usr.bin/apropos/apropos.c deleted file mode 100644 index 112aada..0000000 --- a/usr.bin/apropos/apropos.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - * Copyright (c) 1987, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * - * 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 copyright[] = -"@(#) Copyright (c) 1987, 1993, 1994\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)apropos.c 8.8 (Berkeley) 5/4/95"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/queue.h> - -#include <ctype.h> -#include <err.h> -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "../man/config.h" -#include "../man/pathnames.h" - -static int *found, foundman; - -void apropos __P((char **, char *, int)); -void lowstr __P((char *, char *)); -int match __P((char *, char *)); -void usage __P((void)); - -int -main(argc, argv) - int argc; - char *argv[]; -{ - ENTRY *ep; - TAG *tp; - int ch, rv; - char *conffile, **p, *p_augment, *p_path; - - conffile = NULL; - p_augment = p_path = NULL; - while ((ch = getopt(argc, argv, "C:M:m:P:")) != EOF) - switch (ch) { - case 'C': - conffile = optarg; - break; - case 'M': - case 'P': /* backward compatible */ - p_path = optarg; - break; - case 'm': - p_augment = optarg; - break; - case '?': - default: - usage(); - } - argv += optind; - argc -= optind; - - if (argc < 1) - usage(); - - if ((found = malloc((u_int)argc * sizeof(int))) == NULL) - err(1, NULL); - memset(found, 0, argc * sizeof(int)); - - for (p = argv; *p; ++p) /* convert to lower-case */ - lowstr(*p, *p); - - if (p_augment) - apropos(argv, p_augment, 1); - if (p_path || (p_path = getenv("MANPATH"))) - apropos(argv, p_path, 1); - else { - config(conffile); - ep = (tp = getlist("_whatdb")) == NULL ? - NULL : tp->list.tqh_first; - for (; ep != NULL; ep = ep->q.tqe_next) - apropos(argv, ep->s, 0); - } - - if (!foundman) - errx(1, "no %s file found", _PATH_WHATIS); - - rv = 1; - for (p = argv; *p; ++p) - if (found[p - argv]) - rv = 0; - else - (void)printf("%s: nothing appropriate\n", *p); - exit(rv); -} - -void -apropos(argv, path, buildpath) - char **argv, *path; - int buildpath; -{ - char *end, *name, **p; - char buf[LINE_MAX + 1], wbuf[LINE_MAX + 1]; - - for (name = path; name; name = end) { /* through name list */ - if (end = strchr(name, ':')) - *end++ = '\0'; - - if (buildpath) { - char hold[MAXPATHLEN + 1]; - - (void)sprintf(hold, "%s/%s", name, _PATH_WHATIS); - name = hold; - } - - if (!freopen(name, "r", stdin)) - continue; - - foundman = 1; - - /* for each file found */ - while (fgets(buf, sizeof(buf), stdin)) { - if (!strchr(buf, '\n')) { - warnx("%s: line too long", name); - continue; - } - lowstr(buf, wbuf); - for (p = argv; *p; ++p) - if (match(wbuf, *p)) { - (void)printf("%s", buf); - found[p - argv] = 1; - - /* only print line once */ - while (*++p) - if (match(wbuf, *p)) - found[p - argv] = 1; - break; - } - } - } -} - -/* - * match -- - * match anywhere the string appears - */ -int -match(bp, str) - char *bp, *str; -{ - int len; - char test; - - if (!*bp) - return (0); - /* backward compatible: everything matches empty string */ - if (!*str) - return (1); - for (test = *str++, len = strlen(str); *bp;) - if (test == *bp++ && !strncmp(bp, str, len)) - return (1); - return (0); -} - -/* - * lowstr -- - * convert a string to lower case - */ -void -lowstr(from, to) - char *from, *to; -{ - char ch; - - while ((ch = *from++) && ch != '\n') - *to++ = isupper(ch) ? tolower(ch) : ch; - *to = '\0'; -} - -/* - * usage -- - * print usage message and die - */ -void -usage() -{ - - (void)fprintf(stderr, - "usage: apropos [-C file] [-M path] [-m path] keyword ...\n"); - exit(1); -} |
