| 1 | /*- |
| 2 | * Copyright (c) 1990 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This code is derived from software contributed to Berkeley by |
| 6 | * Cimarron D. Taylor of the University of California, Berkeley. |
| 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 sccsid[] = "@(#)misc.c 5.8 (Berkeley) 5/24/91"; |
| 39 | #endif /* not lint */ |
| 40 | |
| 41 | #include <sys/types.h> |
| 42 | #include <sys/stat.h> |
| 43 | #include <sys/errno.h> |
| 44 | #include <stdio.h> |
| 45 | #include <stdlib.h> |
| 46 | #include <string.h> |
| 47 | #include "find.h" |
| 48 | |
| 49 | /* |
| 50 | * brace_subst -- |
| 51 | * Replace occurrences of {} in s1 with s2 and return the result string. |
| 52 | */ |
| 53 | void |
| 54 | brace_subst(orig, store, path, len) |
| 55 | char *orig, **store, *path; |
| 56 | int len; |
| 57 | { |
| 58 | register int plen; |
| 59 | register char ch, *p; |
| 60 | |
| 61 | plen = strlen(path); |
| 62 | for (p = *store; ch = *orig; ++orig) |
| 63 | if (ch == '{' && orig[1] == '}') { |
| 64 | while ((p - *store) + plen > len) |
| 65 | if (!(*store = realloc(*store, len *= 2))) |
| 66 | err("%s", strerror(errno)); |
| 67 | bcopy(path, p, plen); |
| 68 | p += plen; |
| 69 | ++orig; |
| 70 | } else |
| 71 | *p++ = ch; |
| 72 | *p = '\0'; |
| 73 | } |
| 74 | |
| 75 | /* |
| 76 | * queryuser -- |
| 77 | * print a message to standard error and then read input from standard |
| 78 | * input. If the input is 'y' then 1 is returned. |
| 79 | */ |
| 80 | queryuser(argv) |
| 81 | register char **argv; |
| 82 | { |
| 83 | int ch, first, nl; |
| 84 | |
| 85 | (void)fprintf(stderr, "\"%s", *argv); |
| 86 | while (*++argv) |
| 87 | (void)fprintf(stderr, " %s", *argv); |
| 88 | (void)fprintf(stderr, "\"? "); |
| 89 | (void)fflush(stderr); |
| 90 | |
| 91 | first = ch = getchar(); |
| 92 | for (nl = 0;;) { |
| 93 | if (ch == '\n') { |
| 94 | nl = 1; |
| 95 | break; |
| 96 | } |
| 97 | if (ch == EOF) |
| 98 | break; |
| 99 | ch = getchar(); |
| 100 | } |
| 101 | |
| 102 | if (!nl) { |
| 103 | (void)fprintf(stderr, "\n"); |
| 104 | (void)fflush(stderr); |
| 105 | } |
| 106 | return(first == 'y'); |
| 107 | } |
| 108 | |
| 109 | /* |
| 110 | * emalloc -- |
| 111 | * malloc with error checking. |
| 112 | */ |
| 113 | void * |
| 114 | emalloc(len) |
| 115 | u_int len; |
| 116 | { |
| 117 | void *p; |
| 118 | |
| 119 | if (p = malloc(len)) |
| 120 | return(p); |
| 121 | err("%s", strerror(errno)); |
| 122 | /* NOTREACHED */ |
| 123 | } |
| 124 | |
| 125 | #if __STDC__ |
| 126 | #include <stdarg.h> |
| 127 | #else |
| 128 | #include <varargs.h> |
| 129 | #endif |
| 130 | |
| 131 | void |
| 132 | #if __STDC__ |
| 133 | err(const char *fmt, ...) |
| 134 | #else |
| 135 | err(fmt, va_alist) |
| 136 | char *fmt; |
| 137 | va_dcl |
| 138 | #endif |
| 139 | { |
| 140 | va_list ap; |
| 141 | #if __STDC__ |
| 142 | va_start(ap, fmt); |
| 143 | #else |
| 144 | va_start(ap); |
| 145 | #endif |
| 146 | (void)fprintf(stderr, "find: "); |
| 147 | (void)vfprintf(stderr, fmt, ap); |
| 148 | va_end(ap); |
| 149 | (void)fprintf(stderr, "\n"); |
| 150 | exit(1); |
| 151 | /* NOTREACHED */ |
| 152 | } |