/* $OpenBSD: misc.c,v 1.10 2003/09/26 22:22:26 tedu Exp $ */ /*- * Copyright (c) 1990, 1993 * 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. */ #ifndef lint /*static char sccsid[] = "from: @(#)misc.c 8.1 (Berkeley) 6/6/93";*/ static char rcsid[] = "$OpenBSD: misc.c,v 1.10 2003/09/26 22:22:26 tedu Exp $"; #endif /* not lint */ #include <sys/types.h> #include <sys/stat.h> #include <sys/uio.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 s1 with s2 and return the result string. */ void brace_subst(char *orig, char **store, char *path, int len) { int plen; char ch, *p; plen = strlen(path); for (p = *store; (ch = *orig); ++orig) if (ch == '{' && orig[1] == '}') { while ((p - *store) + plen > len) { int newlen = len * 2; char *newstore; if (!(newstore = realloc(*store, newlen))) err(1, NULL); *store = newstore; len = newlen; } 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'); } /* * emalloc -- * malloc with error checking. */ void * emalloc(u_int len) { void *p; if ((p = malloc(len))) return (p); err(1, NULL); } /* * show_path -- * called on SIGINFO */ /* ARGSUSED */ void show_path(int signo) { int save_errno = errno; extern FTSENT *entry; struct iovec iov[3]; if (entry != NULL) { iov[0].iov_base = "find path: "; iov[0].iov_len = strlen(iov[0].iov_base); iov[1].iov_base = entry->fts_path; iov[1].iov_len = entry->fts_pathlen; iov[2].iov_base = "\n"; iov[2].iov_len = strlen(iov[2].iov_base); writev(STDERR_FILENO, iov, 3); errno = save_errno; } }