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Diffstat (limited to 'text_cmds/sed/misc.c')
-rw-r--r-- | text_cmds/sed/misc.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/text_cmds/sed/misc.c b/text_cmds/sed/misc.c new file mode 100644 index 0000000..7068f70 --- /dev/null +++ b/text_cmds/sed/misc.c @@ -0,0 +1,73 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * 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. + * 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> +__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); +} |