Commit | Line | Data |
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15637ed4 | 1 | /*- |
78ed81a3 | 2 | * Copyright (c) 1990, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
15637ed4 RG |
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 | |
78ed81a3 | 38 | static char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 6/6/93"; |
15637ed4 RG |
39 | #endif /* not lint */ |
40 | ||
41 | #include <sys/types.h> | |
42 | #include <sys/stat.h> | |
78ed81a3 | 43 | |
44 | #include <err.h> | |
45 | #include <errno.h> | |
46 | #include <fts.h> | |
15637ed4 RG |
47 | #include <stdio.h> |
48 | #include <stdlib.h> | |
49 | #include <string.h> | |
78ed81a3 | 50 | |
15637ed4 RG |
51 | #include "find.h" |
52 | ||
53 | /* | |
54 | * brace_subst -- | |
55 | * Replace occurrences of {} in s1 with s2 and return the result string. | |
56 | */ | |
57 | void | |
58 | brace_subst(orig, store, path, len) | |
59 | char *orig, **store, *path; | |
60 | int len; | |
61 | { | |
62 | register int plen; | |
63 | register char ch, *p; | |
64 | ||
65 | plen = strlen(path); | |
66 | for (p = *store; ch = *orig; ++orig) | |
67 | if (ch == '{' && orig[1] == '}') { | |
68 | while ((p - *store) + plen > len) | |
69 | if (!(*store = realloc(*store, len *= 2))) | |
78ed81a3 | 70 | err(1, NULL); |
71 | memmove(p, path, plen); | |
15637ed4 RG |
72 | p += plen; |
73 | ++orig; | |
74 | } else | |
75 | *p++ = ch; | |
76 | *p = '\0'; | |
77 | } | |
78 | ||
79 | /* | |
80 | * queryuser -- | |
81 | * print a message to standard error and then read input from standard | |
82 | * input. If the input is 'y' then 1 is returned. | |
83 | */ | |
78ed81a3 | 84 | int |
15637ed4 RG |
85 | queryuser(argv) |
86 | register char **argv; | |
87 | { | |
88 | int ch, first, nl; | |
89 | ||
90 | (void)fprintf(stderr, "\"%s", *argv); | |
91 | while (*++argv) | |
92 | (void)fprintf(stderr, " %s", *argv); | |
93 | (void)fprintf(stderr, "\"? "); | |
94 | (void)fflush(stderr); | |
95 | ||
96 | first = ch = getchar(); | |
97 | for (nl = 0;;) { | |
98 | if (ch == '\n') { | |
99 | nl = 1; | |
100 | break; | |
101 | } | |
102 | if (ch == EOF) | |
103 | break; | |
104 | ch = getchar(); | |
105 | } | |
106 | ||
107 | if (!nl) { | |
108 | (void)fprintf(stderr, "\n"); | |
109 | (void)fflush(stderr); | |
110 | } | |
78ed81a3 | 111 | return (first == 'y'); |
15637ed4 RG |
112 | } |
113 | ||
114 | /* | |
115 | * emalloc -- | |
116 | * malloc with error checking. | |
117 | */ | |
118 | void * | |
119 | emalloc(len) | |
120 | u_int len; | |
121 | { | |
122 | void *p; | |
123 | ||
124 | if (p = malloc(len)) | |
78ed81a3 | 125 | return (p); |
126 | err(1, NULL); | |
15637ed4 | 127 | } |