util.c

   1 /*
   2  * libuci - Library for the Unified Configuration Interface
   3  * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU Lesser General Public License version 2.1
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 /*
  16  * This file contains wrappers to standard functions, which
  17  * throw exceptions upon failure.
  18  */
  19
  20 static void *uci_malloc(struct uci_context *ctx, size_t size)
  21 {
  22         void *ptr;
  23
  24         ptr = malloc(size);
  25         if (!ptr)
  26                 UCI_THROW(ctx, UCI_ERR_MEM);
  27         memset(ptr, 0, size);
  28
  29         return ptr;
  30 }
  31
  32 static void *uci_realloc(struct uci_context *ctx, void *ptr, size_t size)
  33 {
  34         ptr = realloc(ptr, size);
  35         if (!ptr)
  36                 UCI_THROW(ctx, UCI_ERR_MEM);
  37
  38         return ptr;
  39 }
  40
  41 static char *uci_strdup(struct uci_context *ctx, const char *str)
  42 {
  43         char *ptr;
  44
  45         ptr = strdup(str);
  46         if (!ptr)
  47                 UCI_THROW(ctx, UCI_ERR_MEM);
  48
  49         return ptr;
  50 }
  51
  52