Annotation of src/usr.bin/find/misc.c, Revision 1.2
1.2 ! deraadt 1: /* $OpenBSD$ */
! 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1990, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * This code is derived from software contributed to Berkeley by
8: * Cimarron D. Taylor of the University of California, Berkeley.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed by the University of
21: * California, Berkeley and its contributors.
22: * 4. Neither the name of the University nor the names of its contributors
23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: */
38:
39: #ifndef lint
40: /*static char sccsid[] = "from: @(#)misc.c 8.1 (Berkeley) 6/6/93";*/
1.2 ! deraadt 41: static char rcsid[] = "$OpenBSD: misc.c,v 1.1.1.1 1995/10/18 08:45:14 deraadt Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: #include <sys/types.h>
45: #include <sys/stat.h>
46:
47: #include <err.h>
48: #include <errno.h>
49: #include <fts.h>
50: #include <stdio.h>
51: #include <stdlib.h>
52: #include <string.h>
53:
54: #include "find.h"
55:
56: /*
57: * brace_subst --
58: * Replace occurrences of {} in s1 with s2 and return the result string.
59: */
60: void
61: brace_subst(orig, store, path, len)
62: char *orig, **store, *path;
63: int len;
64: {
65: register int plen;
66: register char ch, *p;
67:
68: plen = strlen(path);
69: for (p = *store; ch = *orig; ++orig)
70: if (ch == '{' && orig[1] == '}') {
71: while ((p - *store) + plen > len)
72: if (!(*store = realloc(*store, len *= 2)))
73: err(1, NULL);
74: memmove(p, path, plen);
75: p += plen;
76: ++orig;
77: } else
78: *p++ = ch;
79: *p = '\0';
80: }
81:
82: /*
83: * queryuser --
84: * print a message to standard error and then read input from standard
85: * input. If the input is 'y' then 1 is returned.
86: */
87: int
88: queryuser(argv)
89: register char **argv;
90: {
91: int ch, first, nl;
92:
93: (void)fprintf(stderr, "\"%s", *argv);
94: while (*++argv)
95: (void)fprintf(stderr, " %s", *argv);
96: (void)fprintf(stderr, "\"? ");
97: (void)fflush(stderr);
98:
99: first = ch = getchar();
100: for (nl = 0;;) {
101: if (ch == '\n') {
102: nl = 1;
103: break;
104: }
105: if (ch == EOF)
106: break;
107: ch = getchar();
108: }
109:
110: if (!nl) {
111: (void)fprintf(stderr, "\n");
112: (void)fflush(stderr);
113: }
114: return (first == 'y');
115: }
116:
117: /*
118: * emalloc --
119: * malloc with error checking.
120: */
121: void *
122: emalloc(len)
123: u_int len;
124: {
125: void *p;
126:
127: if (p = malloc(len))
128: return (p);
129: err(1, NULL);
130: }