freebsd-dev/contrib/mdocml/mandoc_aux.c
2016-01-15 23:28:12 +00:00

112 lines
2.2 KiB
C

/* $Id: mandoc_aux.c,v 1.9 2015/11/07 14:22:29 schwarze Exp $ */
/*
* Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.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 AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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.
*/
#include "config.h"
#include <sys/types.h>
#if HAVE_ERR
#include <err.h>
#endif
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "mandoc.h"
#include "mandoc_aux.h"
int
mandoc_asprintf(char **dest, const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
ret = vasprintf(dest, fmt, ap);
va_end(ap);
if (ret == -1)
err((int)MANDOCLEVEL_SYSERR, NULL);
return ret;
}
void *
mandoc_calloc(size_t num, size_t size)
{
void *ptr;
ptr = calloc(num, size);
if (ptr == NULL)
err((int)MANDOCLEVEL_SYSERR, NULL);
return ptr;
}
void *
mandoc_malloc(size_t size)
{
void *ptr;
ptr = malloc(size);
if (ptr == NULL)
err((int)MANDOCLEVEL_SYSERR, NULL);
return ptr;
}
void *
mandoc_realloc(void *ptr, size_t size)
{
ptr = realloc(ptr, size);
if (ptr == NULL)
err((int)MANDOCLEVEL_SYSERR, NULL);
return ptr;
}
void *
mandoc_reallocarray(void *ptr, size_t num, size_t size)
{
ptr = reallocarray(ptr, num, size);
if (ptr == NULL)
err((int)MANDOCLEVEL_SYSERR, NULL);
return ptr;
}
char *
mandoc_strdup(const char *ptr)
{
char *p;
p = strdup(ptr);
if (p == NULL)
err((int)MANDOCLEVEL_SYSERR, NULL);
return p;
}
char *
mandoc_strndup(const char *ptr, size_t sz)
{
char *p;
p = mandoc_malloc(sz + 1);
memcpy(p, ptr, sz);
p[(int)sz] = '\0';
return p;
}