1 /* $OpenBSD: what.c,v 1.11 2003/07/10 00:06:52 david Exp $ */ 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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #ifndef lint 34 static char copyright[] = 35 "@(#) Copyright (c) 1980, 1988, 1993\n\ 36 The Regents of the University of California. All rights reserved.\n"; 37 #endif /* not lint */ 38 39 #ifndef lint 40 #if 0 41 static char sccsid[] = "@(#)what.c 8.1 (Berkeley) 6/6/93"; 42 #endif 43 static char rcsid[] = "$OpenBSD: what.c,v 1.11 2003/07/10 00:06:52 david Exp $"; 44 #endif /* not lint */ 45 46 #include <sys/types.h> 47 #include <sys/utsname.h> 48 #include <stdio.h> 49 #include <ctype.h> 50 #include <err.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <unistd.h> 54 55 static void search(char *); 56 static void usage(void); 57 58 static int matches; 59 static int sflag; 60 61 extern char *__progname; 62 63 /* 64 * what 65 */ 66 /* ARGSUSED */ 67 int 68 main(int argc, char *argv[]) 69 { 70 struct utsname utsn; 71 char match[256]; 72 int c; 73 74 matches = sflag = 0; 75 while ((c = getopt(argc, argv, "s")) != -1) { 76 switch (c) { 77 case 's': 78 sflag = 1; 79 break; 80 default: 81 usage(); 82 } 83 } 84 argc -= optind; 85 argv += optind; 86 87 if (uname(&utsn) == -1) 88 err(1, "uname"); 89 strlcpy(match, utsn.sysname, sizeof match); 90 91 if (argc < 1) { 92 usage(); 93 } else do { 94 if (!freopen(*argv, "r", stdin)) { 95 perror(*argv); 96 exit(matches ? 0 : 1); 97 } 98 printf("%s\n", *argv); 99 search(match); 100 } while(*++argv); 101 exit(matches ? 0 : 1); 102 } 103 104 static void 105 search(char *match) 106 { 107 int c; 108 int i; 109 110 while ((c = getchar()) != EOF) { 111 loop: if (c == '$') { 112 for (i = 0; match[i]; i++) 113 if ((c = getchar()) != match[i]) 114 goto loop; 115 printf("\t$%s", match); 116 while (isprint(c = getchar())) 117 putchar(c); 118 putchar('\n'); 119 matches++; 120 if (sflag) 121 break; 122 goto loop; 123 } 124 if (c != '@') 125 continue; 126 if ((c = getchar()) != '(') 127 goto loop; 128 if ((c = getchar()) != '#') 129 goto loop; 130 if ((c = getchar()) != ')') 131 goto loop; 132 putchar('\t'); 133 while ((c = getchar()) != EOF && c && c != '"' && 134 c != '>' && c != '\n' && c != '\\') 135 putchar(c); 136 putchar('\n'); 137 matches++; 138 if (sflag) 139 break; 140 } 141 } 142 143 static void 144 usage(void) 145 { 146 147 (void)fprintf(stderr, "usage: %s [-s] file ...\n", __progname); 148 exit(1); 149 } 150