IABSD.fr/xenocara/app/cwm/xmalloc.c

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• Author : okan
  Date : 2020-02-27 14:56:39
  Hash : caa934d8
  Message : Unrelated style fixes, consistency changes and sorting, appropriate dosage/removal of wrappers, simplification of name queue, client cycle joins other kb/mb bound functions.

• app/cwm/xmalloc.c

• /*
   * calmwm - the calm window manager
   *
   * Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   *
   * $OpenBSD: xmalloc.c,v 1.17 2020/02/27 14:56:39 okan Exp $
   */
  
  #include <sys/types.h>
  #include <sys/queue.h>
  
  #include <err.h>
  #include <errno.h>
  #include <limits.h>
  #include <stdarg.h>
  #include <stdint.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>
  
  #include "calmwm.h"
  
  void *
  xmalloc(size_t siz)
  {
  	void	*p;
  
  	if (siz == 0)
  		errx(1, "xmalloc: zero size");
  	if ((p = malloc(siz)) == NULL)
  		err(1, "malloc");
  
  	return p;
  }
  
  void *
  xcalloc(size_t no, size_t siz)
  {
  	void	*p;
  
  	if (siz == 0 || no == 0)
  		errx(1, "xcalloc: zero size");
  	if (SIZE_MAX / no < siz)
  		errx(1, "xcalloc: no * siz > SIZE_MAX");
  	if ((p = calloc(no, siz)) == NULL)
  		err(1, "calloc");
  
  	return p;
  }
  
  void *
  xreallocarray(void *ptr, size_t nmemb, size_t size)
  {
  	void	*p;
  
  	p = reallocarray(ptr, nmemb, size);
  	if (p == NULL)
  		errx(1, "xreallocarray: out of memory (new_size %zu bytes)",
  		    nmemb * size);
  	return p;
  }
  
  char *
  xstrdup(const char *str)
  {
  	char	*p;
  
  	if ((p = strdup(str)) == NULL)
  		err(1, "strdup");
  
  	return p;
  }
  
  int
  xasprintf(char **ret, const char *fmt, ...)
  {
  	va_list	 ap;
  	int	 i;
  
  	va_start(ap, fmt);
  	i = xvasprintf(ret, fmt, ap);
  	va_end(ap);
  
  	return i;
  }
  
  int
  xvasprintf(char **ret, const char *fmt, va_list ap)
  {
  	int	 i;
  
  	i = vasprintf(ret, fmt, ap);
  	if (i == -1)
  		err(1, "vasprintf");
  
  	return i;
  }