89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
/*
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* calmwm - the calm window manager
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*
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* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $OpenBSD: xmalloc.c,v 1.12 2013/12/17 16:12:18 okan Exp $
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*/
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <err.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <stdint.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 <unistd.h>
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#include "calmwm.h"
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void *
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xmalloc(size_t siz)
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{
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void *p;
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if (siz == 0)
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errx(1, "xmalloc: zero size");
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if ((p = malloc(siz)) == NULL)
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err(1, "malloc");
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return (p);
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}
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void *
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xcalloc(size_t no, size_t siz)
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{
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void *p;
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if (siz == 0 || no == 0)
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errx(1, "xcalloc: zero size");
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if (SIZE_MAX / no < siz)
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errx(1, "xcalloc: no * siz > SIZE_MAX");
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if ((p = calloc(no, siz)) == NULL)
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err(1, "calloc");
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return (p);
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}
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char *
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xstrdup(const char *str)
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{
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char *p;
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if ((p = strdup(str)) == NULL)
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err(1, "strdup");
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return (p);
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}
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int
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xasprintf(char **ret, const char *fmt, ...)
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{
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va_list ap;
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int i;
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va_start(ap, fmt);
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i = vasprintf(ret, fmt, ap);
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va_end(ap);
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if (i < 0 || *ret == NULL)
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err(1, "asprintf");
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return (i);
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}
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