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;
  10 extern void *xzmalloc(size_t size) __hidden;
  11 extern void *xmallocz(size_t size) __hidden;
  12 extern void *xmalloc_aligned(size_t size, size_t alignment) __hidden;
  13 extern void *xzmalloc_aligned(size_t size, size_t alignment) __hidden;
  14 extern void *xmemdupz(const void *data, size_t len) __hidden;
  15 extern void *xrealloc(void *ptr, size_t nmemb, size_t size) __hidden;
  16 extern void xfree_func(void *ptr) __hidden;
  17 extern char *xstrdup(const char *str) __hidden;
  18 extern char *xstrndup(const char *str, size_t size) __hidden;
  19
  20 static inline void __xfree(void *ptr)
  21 {
  22         if (unlikely((ptr) == NULL))
  23                 panic("xfree: NULL pointer given as argument\n");
  24         free(ptr);
  25 }
  26
  27 #define xzfree(ptr, size)       \
  28 do {                            \
  29         xmemset(ptr, 0, size);  \
  30         xfree(ptr);             \
  31 } while (0)
  32
  33 #define xfree(ptr)      \
  34 do {                    \
  35         __xfree(ptr);   \
  36         (ptr) = NULL;   \
  37 } while (0)
  38
  39 #endif /* XMALLOC_H */