/usr.bin/sed/misc.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 71 lines · 27 code · 7 blank · 37 comment · 4 complexity · 4a75d74a6f6936bec5163f334eccc273 MD5 · raw file
- /*-
- * Copyright (c) 1992 Diomidis Spinellis.
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Diomidis Spinellis of Imperial College, University of London.
- *
- * 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.
- * 4. 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>
- __FBSDID("$FreeBSD$");
- #ifndef lint
- static const char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 6/6/93";
- #endif
- #include <sys/types.h>
- #include <err.h>
- #include <limits.h>
- #include <regex.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "defs.h"
- #include "extern.h"
- /*
- * Return a string for a regular expression error passed. This is overkill,
- * because of the silly semantics of regerror (we can never know the size of
- * the buffer).
- */
- char *
- strregerror(int errcode, regex_t *preg)
- {
- static char *oe;
- size_t s;
- if (oe != NULL)
- free(oe);
- s = regerror(errcode, preg, NULL, 0);
- if ((oe = malloc(s)) == NULL)
- err(1, "malloc");
- (void)regerror(errcode, preg, oe, s);
- return (oe);
- }