Annotation of src/usr.bin/find/misc.c, Revision 1.7
1.7 ! mpech 1: /* $OpenBSD: misc.c,v 1.6 2001/11/17 19:50:53 millert Exp $ */
1.2 deraadt 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";*/
1.7 ! mpech 41: static char rcsid[] = "$OpenBSD: misc.c,v 1.6 2001/11/17 19:50:53 millert 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>
1.3 tholo 53: #include <unistd.h>
1.1 deraadt 54:
55: #include "find.h"
56:
57: /*
58: * brace_subst --
59: * Replace occurrences of {} in s1 with s2 and return the result string.
60: */
61: void
62: brace_subst(orig, store, path, len)
63: char *orig, **store, *path;
64: int len;
65: {
1.7 ! mpech 66: int plen;
! 67: char ch, *p;
1.1 deraadt 68:
69: plen = strlen(path);
1.4 millert 70: for (p = *store; (ch = *orig); ++orig)
1.1 deraadt 71: if (ch == '{' && orig[1] == '}') {
72: while ((p - *store) + plen > len)
73: if (!(*store = realloc(*store, len *= 2)))
74: err(1, NULL);
75: memmove(p, path, plen);
76: p += plen;
77: ++orig;
78: } else
79: *p++ = ch;
80: *p = '\0';
81: }
82:
83: /*
84: * queryuser --
85: * print a message to standard error and then read input from standard
86: * input. If the input is 'y' then 1 is returned.
87: */
88: int
89: queryuser(argv)
1.7 ! mpech 90: char **argv;
1.1 deraadt 91: {
92: int ch, first, nl;
93:
94: (void)fprintf(stderr, "\"%s", *argv);
95: while (*++argv)
96: (void)fprintf(stderr, " %s", *argv);
97: (void)fprintf(stderr, "\"? ");
98: (void)fflush(stderr);
99:
100: first = ch = getchar();
101: for (nl = 0;;) {
102: if (ch == '\n') {
103: nl = 1;
104: break;
105: }
106: if (ch == EOF)
107: break;
108: ch = getchar();
109: }
110:
111: if (!nl) {
112: (void)fprintf(stderr, "\n");
113: (void)fflush(stderr);
114: }
115: return (first == 'y');
116: }
117:
118: /*
119: * emalloc --
120: * malloc with error checking.
121: */
122: void *
123: emalloc(len)
124: u_int len;
125: {
126: void *p;
127:
1.4 millert 128: if ((p = malloc(len)))
1.1 deraadt 129: return (p);
130: err(1, NULL);
1.3 tholo 131: }
132:
133: /*
134: * show_path --
135: * called on SIGINFO
136: */
137: /* ARGSUSED */
138: void
139: show_path(sig)
140: int sig;
141: {
1.5 deraadt 142: int save_errno = errno;
1.3 tholo 143: extern FTSENT *entry;
144:
1.6 millert 145: if (entry != NULL) {
146: write(STDERR_FILENO, "find path: ", 11);
147: write(STDERR_FILENO, entry->fts_path, entry->fts_pathlen);
148: write(STDERR_FILENO, "\n", 1);
149: errno = save_errno;
150: }
1.1 deraadt 151: }
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