GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/sed/misc.c Lines: 20 32 62.5 %
Date: 2017-11-13 Branches: 5 8 62.5 %

Line Branch Exec Source
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/*	$OpenBSD: misc.c,v 1.12 2017/01/20 10:26:16 krw Exp $	*/
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/*-
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 * Copyright (c) 1992 Diomidis Spinellis.
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 * Copyright (c) 1992, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Diomidis Spinellis of Imperial College, University of London.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <sys/types.h>
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#include <errno.h>
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#include <regex.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include "defs.h"
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#include "extern.h"
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/*
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 * malloc with result test
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 */
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void *
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xmalloc(size_t size)
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{
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	void *p;
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	if ((p = malloc(size)) == NULL)
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		error(FATAL, "%s", strerror(errno));
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	return (p);
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}
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void *
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xreallocarray(void *o, size_t nmemb, size_t size)
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{
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	void *p;
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	if ((p = reallocarray(o, nmemb, size)) == NULL)
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		error(FATAL, "%s", strerror(errno));
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	return (p);
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}
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/*
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 * realloc with result test
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 */
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void *
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xrealloc(void *p, size_t size)
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{
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	if ((p = realloc(p, size)) == NULL)
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		error(FATAL, "%s", strerror(errno));
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	return (p);
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}
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/*
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 * Return a string for a regular expression error passed.  This is a overkill,
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 * because of the silly semantics of regerror (we can never know the size of
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 * the buffer).
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 */
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char *
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strregerror(int errcode, regex_t *preg)
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{
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	static char *oe;
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	size_t s;
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	free(oe);
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	s = regerror(errcode, preg, "", 0);
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	oe = xmalloc(s);
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	(void)regerror(errcode, preg, oe, s);
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	return (oe);
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}
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/*
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 * Error reporting function
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 */
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__dead void
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error(int severity, const char *fmt, ...)
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{
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	va_list ap;
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	va_start(ap, fmt);
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	(void)fprintf(stderr, "sed: ");
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	switch (severity) {
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	case COMPILE:
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		(void)fprintf(stderr, "%lu: %s: ", linenum, fname);
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	}
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	(void)vfprintf(stderr, fmt, ap);
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	va_end(ap);
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	(void)fprintf(stderr, "\n");
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	exit(1);
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}
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void
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warning(const char *fmt, ...)
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{
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	va_list ap;
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	va_start(ap, fmt);
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	(void)fprintf(stderr, "sed: ");
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	(void)fprintf(stderr, "%lu: %s: ", linenum, fname);
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	(void)vfprintf(stderr, fmt, ap);
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	va_end(ap);
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	(void)fprintf(stderr, "\n");
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}