external/bsd/pkg_install/dist/lib/xwrapper.c

   1 /* $NetBSD: xwrapper.c,v 1.2 2009/02/02 12:35:01 joerg Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2008 Joerg Sonnenberger <joerg@NetBSD.org>.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the
  16  *    distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  22  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  24  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  27  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  28  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #if HAVE_CONFIG_H
  33 #include "config.h"
  34 #endif
  35 #include <nbcompat.h>
  36 #if HAVE_SYS_CDEFS_H
  37 #include <sys/cdefs.h>
  38 #endif
  39 __RCSID("$NetBSD: xwrapper.c,v 1.2 2009/02/02 12:35:01 joerg Exp $");
  40
  41 #if HAVE_ERR_H
  42 #include <err.h>
  43 #endif
  44 #include <stdarg.h>
  45 #include <stdio.h>
  46 #include <stdlib.h>
  47 #include <string.h>
  48
  49 #include "lib.h"
  50
  51 char *
  52 xasprintf(const char *fmt, ...)
  53 {
  54         va_list ap;
  55         char *buf;
  56
  57         va_start(ap, fmt);
  58         if (vasprintf(&buf, fmt, ap) == -1)
  59                 err(1, "asprintf failed");
  60         va_end(ap);
  61         return buf;
  62 }
  63
  64 void *
  65 xmalloc(size_t len)
  66 {
  67         void *ptr;
  68
  69         if ((ptr = malloc(len)) == NULL)
  70                 err(1, "malloc failed");
  71         return ptr;
  72 }
  73
  74 void *
  75 xcalloc(size_t len, size_t n)
  76 {
  77         void *ptr;
  78
  79         if ((ptr = calloc(len, n)) == NULL)
  80                 err(1, "calloc failed");
  81         return ptr;
  82 }
  83
  84 void *
  85 xrealloc(void *buf, size_t len)
  86 {
  87         void *ptr;
  88
  89         if ((ptr = realloc(buf, len)) == NULL)
  90                 err(1, "realloc failed");
  91         return ptr;
  92 }
  93
  94 char *
  95 xstrdup(const char *str)
  96 {
  97         char *buf;
  98
  99         if ((buf = strdup(str)) == NULL)
 100                 err(1, "strdup failed");
 101         return buf;
 102 }