src/xmalloc.h

   1 /*
   2  * netsniff-ng - the packet sniffing beast
   3  * By Daniel Borkmann <daniel@netsniff-ng.org>
   4  * Copyright 2009, 2010 Daniel Borkmann.
   5  * Subject to the GPL, version 2.
   6  */
   7
   8 #ifndef XMALLOC_H
   9 #define XMALLOC_H
  10
  11 #include <stdlib.h>
  12
  13 #include "compiler.h"
  14 #include "die.h"
  15
  16 extern __hidden void *xmalloc(size_t size);
  17 extern __hidden void *xzmalloc(size_t size);
  18 extern __hidden void *xmallocz(size_t size);
  19 extern __hidden void *xmalloc_aligned(size_t size, size_t alignment);
  20 extern __hidden void *xmemdupz(const void *data, size_t len);
  21 extern __hidden void *xrealloc(void *ptr, size_t nmemb, size_t size);
  22 extern __hidden void xfree_func(void *ptr);
  23 extern __hidden char *xstrdup(const char *str);
  24 extern __hidden char *xstrndup(const char *str, size_t size);
  25 extern __hidden int xdup(int fd);
  26
  27 #define xfree(ptr)                                                      \
  28 do {                                                                    \
  29         if (unlikely((ptr) == NULL))                                    \
  30                 panic("xfree: NULL pointer given as argument\n");       \
  31         free((ptr));                                                    \
  32         (ptr) = NULL;                                                   \
  33 } while (0)
  34
  35 #endif /* XMALLOC_H */