diff options
Diffstat (limited to 'usr.bin/find/misc.c')
| -rw-r--r-- | usr.bin/find/misc.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/usr.bin/find/misc.c b/usr.bin/find/misc.c new file mode 100644 index 0000000..8ba84c0 --- /dev/null +++ b/usr.bin/find/misc.c @@ -0,0 +1,151 @@ +/* $NetBSD: misc.c,v 1.14 2006/10/11 19:51:10 apb Exp $ */ + +/*- + * 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/cdefs.h> +#ifndef lint +#if 0 +static char sccsid[] = "from: @(#)misc.c 8.2 (Berkeley) 4/1/94"; +#else +__RCSID("$NetBSD: misc.c,v 1.14 2006/10/11 19:51:10 apb Exp $"); +#endif +#endif /* not lint */ + +#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 <unistd.h> + +#include "find.h" + +/* + * brace_subst -- + * Replace occurrences of {} in orig with path, and place it in a malloced + * area of memory set in store. + */ +void +brace_subst(char *orig, char **store, char *path, int *len) +{ + int nlen, plen, rest; + char ch, *p, *ostore; + + plen = strlen(path); + for (p = *store; (ch = *orig) != '\0'; ++orig) + if (ch == '{' && orig[1] == '}') { + /* Length of string after the {}. */ + rest = strlen(&orig[2]); + + nlen = *len; + while ((p - *store) + plen + rest + 1 > nlen) + nlen *= 2; + + if (nlen > *len) { + ostore = *store; + if ((*store = realloc(ostore, nlen)) == NULL) + err(1, "realloc"); + *len = nlen; + p += *store - ostore; /* Relocate. */ + } + memmove(p, path, plen); + p += plen; + ++orig; + } else + *p++ = ch; + *p = '\0'; +} + +/* + * queryuser -- + * print a message to standard error and then read input from standard + * input. If the input is 'y' then 1 is returned. + */ +int +queryuser(char **argv) +{ + int ch, first, nl; + + (void)fprintf(stderr, "\"%s", *argv); + while (*++argv) + (void)fprintf(stderr, " %s", *argv); + (void)fprintf(stderr, "\"? "); + (void)fflush(stderr); + + first = ch = getchar(); + for (nl = 0;;) { + if (ch == '\n') { + nl = 1; + break; + } + if (ch == EOF) + break; + ch = getchar(); + } + + if (!nl) { + (void)fprintf(stderr, "\n"); + (void)fflush(stderr); + } + return (first == 'y'); +} + +/* + * show_path -- + * called on SIGINFO + */ +/* ARGSUSED */ +void +show_path(int sig) +{ + extern FTSENT *g_entry; + int errno_bak; + + if (g_entry == NULL) { + /* + * not initialized yet. + * assumption: pointer assignment is atomic. + */ + return; + } + + errno_bak = errno; + write(STDERR_FILENO, "find path: ", 11); + write(STDERR_FILENO, g_entry->fts_path, g_entry->fts_pathlen); + write(STDERR_FILENO, "\n", 1); + errno = errno_bak; +} |