Annotation of src/usr.bin/what/what.c, Revision 1.8
1.8 ! nino 1: /* $OpenBSD: what.c,v 1.7 2002/02/16 21:27:59 millert Exp $ */
1.1 deraadt 2: /* $NetBSD: what.c,v 1.4 1994/12/20 16:01:03 jtc Exp $ */
3:
4: /*
5: * Copyright (c) 1980, 1988, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: static char copyright[] =
39: "@(#) Copyright (c) 1980, 1988, 1993\n\
40: The Regents of the University of California. All rights reserved.\n";
41: #endif /* not lint */
42:
43: #ifndef lint
44: #if 0
45: static char sccsid[] = "@(#)what.c 8.1 (Berkeley) 6/6/93";
46: #endif
1.8 ! nino 47: static char rcsid[] = "$OpenBSD: what.c,v 1.7 2002/02/16 21:27:59 millert Exp $";
1.1 deraadt 48: #endif /* not lint */
49:
1.3 deraadt 50: #include <sys/types.h>
51: #include <sys/utsname.h>
1.1 deraadt 52: #include <stdio.h>
1.3 deraadt 53: #include <ctype.h>
1.5 art 54: #include <err.h>
55: #include <string.h>
1.8 ! nino 56: #include <unistd.h>
1.1 deraadt 57:
1.8 ! nino 58: static void search(char *);
! 59: static void usage(void);
! 60:
! 61: static int matches;
! 62: static int sflag;
! 63:
! 64: extern char *__progname;
1.1 deraadt 65:
66: /*
67: * what
68: */
69: /* ARGSUSED */
70: int
71: main(argc, argv)
72: int argc;
73: char **argv;
74: {
1.3 deraadt 75: struct utsname utsn;
76: char match[256];
1.8 ! nino 77: int c;
! 78:
! 79: matches = sflag = 0;
! 80: while ((c = getopt(argc, argv, "s")) != -1) {
! 81: switch (c) {
! 82: case 's':
! 83: sflag = 1;
! 84: break;
! 85: default:
! 86: usage();
! 87: }
! 88: }
! 89: argc -= optind;
! 90: argv += optind;
1.3 deraadt 91:
92: if (uname(&utsn) == -1)
93: err(1, "uname");
1.8 ! nino 94: strlcpy(match, utsn.sysname, sizeof match);
1.3 deraadt 95:
1.8 ! nino 96: if (argc < 1) {
! 97: usage();
! 98: } else do {
1.1 deraadt 99: if (!freopen(*argv, "r", stdin)) {
100: perror(*argv);
1.8 ! nino 101: exit(matches ? 0 : 1);
1.1 deraadt 102: }
103: printf("%s\n", *argv);
1.3 deraadt 104: search(match);
1.1 deraadt 105: } while(*++argv);
1.8 ! nino 106: exit(matches ? 0 : 1);
1.1 deraadt 107: }
108:
1.8 ! nino 109: static void
1.3 deraadt 110: search(match)
111: char *match;
1.1 deraadt 112: {
1.6 mpech 113: int c;
1.3 deraadt 114: int i;
1.1 deraadt 115:
116: while ((c = getchar()) != EOF) {
1.3 deraadt 117: loop: if (c == '$') {
118: for (i = 0; match[i]; i++)
119: if ((c = getchar()) != match[i])
120: goto loop;
1.4 deraadt 121: printf("\t$%s", match);
1.3 deraadt 122: while (isprint(c = getchar()))
123: putchar(c);
124: putchar('\n');
1.8 ! nino 125: matches++;
! 126: if (sflag)
! 127: break;
1.3 deraadt 128: goto loop;
129: }
130: if (c != '@')
1.1 deraadt 131: continue;
132: if ((c = getchar()) != '(')
133: goto loop;
134: if ((c = getchar()) != '#')
135: goto loop;
136: if ((c = getchar()) != ')')
137: goto loop;
138: putchar('\t');
139: while ((c = getchar()) != EOF && c && c != '"' &&
1.8 ! nino 140: c != '>' && c != '\n' && c != '\\')
1.1 deraadt 141: putchar(c);
142: putchar('\n');
1.8 ! nino 143: matches++;
! 144: if (sflag)
! 145: break;
1.1 deraadt 146: }
1.8 ! nino 147: }
! 148:
! 149: static void
! 150: usage()
! 151: {
! 152:
! 153: (void)fprintf(stderr, "usage: %s [-s] file ...\n", __progname);
! 154: exit(1);
1.1 deraadt 155: }
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