diff options
Diffstat (limited to 'usr.bin/find/misc.c')
| -rw-r--r-- | usr.bin/find/misc.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/usr.bin/find/misc.c b/usr.bin/find/misc.c new file mode 100644 index 000000000000..7963e3baa4d3 --- /dev/null +++ b/usr.bin/find/misc.c @@ -0,0 +1,107 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Cimarron D. Taylor of the University of California, Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <sys/stat.h> + +#include <err.h> +#include <errno.h> +#include <fts.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "find.h" + +/* + * brace_subst -- + * Replace occurrences of {} in s1 with s2 and return the result string. + */ +void +brace_subst(char *orig, char **store, char *path, size_t len) +{ + const char *pastorigend, *p, *q; + char *dst; + size_t newlen, plen; + + plen = strlen(path); + newlen = strlen(orig) + 1; + pastorigend = orig + newlen; + for (p = orig; (q = strstr(p, "{}")) != NULL; p = q + 2) { + if (plen > 2 && newlen + plen - 2 < newlen) + errx(2, "brace_subst overflow"); + newlen += plen - 2; + } + if (newlen > len) { + *store = reallocf(*store, newlen); + if (*store == NULL) + err(2, NULL); + } + dst = *store; + for (p = orig; (q = strstr(p, "{}")) != NULL; p = q + 2) { + memcpy(dst, p, q - p); + dst += q - p; + memcpy(dst, path, plen); + dst += plen; + } + memcpy(dst, p, pastorigend - p); +} + +/* + * queryuser -- + * print a message to standard error and then read input from standard + * input. If the input is an affirmative response (according to the + * current locale) then 1 is returned. + */ +int +queryuser(char *argv[]) +{ + char *p, resp[256]; + + (void)fprintf(stderr, "\"%s", *argv); + while (*++argv) + (void)fprintf(stderr, " %s", *argv); + (void)fprintf(stderr, "\"? "); + (void)fflush(stderr); + + if (fgets(resp, sizeof(resp), stdin) == NULL) + *resp = '\0'; + if ((p = strchr(resp, '\n')) != NULL) + *p = '\0'; + else { + (void)fprintf(stderr, "\n"); + (void)fflush(stderr); + } + return (rpmatch(resp) == 1); +} |