/*      Id: mandoc_aux.c,v 1.11 2018/02/07 20:04:57 schwarze Exp  */
/*
* Copyright (c) 2009, 2011 Kristaps Dzonsons <[email protected]>
* Copyright (c) 2014, 2015, 2017 Ingo Schwarze <[email protected]>
*
* 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;
}

void *
mandoc_recallocarray(void *ptr, size_t oldnum, size_t num, size_t size)
{
       ptr = recallocarray(ptr, oldnum, 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 = strndup(ptr, sz);
       if (p == NULL)
               err((int)MANDOCLEVEL_SYSERR, NULL);
       return p;
}