xmalloc.h

   1 #ifndef XMALLOC_H
   2 #define XMALLOC_H
   3
   4 #include <stdlib.h>
   5
   6 #include "built_in.h"
   7 #include "die.h"
   8
   9 extern void *xmalloc(size_t size) __hidden __warn_unused_result;
  10 extern void *xcalloc(size_t nmemb, size_t size) __hidden __warn_unused_result;
  11 extern void *xzmalloc(size_t size) __hidden __warn_unused_result;
  12 extern void *xmallocz(size_t size) __hidden __warn_unused_result;
  13 extern void *xmalloc_aligned(size_t size, size_t alignment) __hidden __warn_unused_result;
  14 extern void *xzmalloc_aligned(size_t size, size_t alignment) __hidden __warn_unused_result;
  15 extern void *xmemdupz(const void *data, size_t len) __hidden __warn_unused_result;
  16 extern void *xrealloc(void *ptr, size_t size) __hidden __warn_unused_result;
  17 extern void xfree_func(void *ptr) __hidden;
  18 extern char *xstrdup(const char *str) __hidden __warn_unused_result;
  19 extern char *xstrndup(const char *str, size_t size) __hidden __warn_unused_result;
  20
  21 static inline void __xfree(void *ptr)
  22 {
  23         if (unlikely((ptr) == NULL))
  24                 panic("xfree: NULL pointer given as argument\n");
  25         free(ptr);
  26 }
  27
  28 #define xzfree(ptr, size)       \
  29 do {                            \
  30         xmemset(ptr, 0, size);  \
  31         xfree(ptr);             \
  32 } while (0)
  33
  34 #define xfree(ptr)      \
  35 do {                    \
  36         __xfree(ptr);   \
  37         (ptr) = NULL;   \
  38 } while (0)
  39
  40 #endif /* XMALLOC_H */