src/util/os_memory_stdc.h

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  27
  28
  29 /*
  30  * OS memory management abstractions for the standard C library.
  31  */
  32
  33
  34 #ifndef _OS_MEMORY_H_
  35 #error "Must not be included directly. Include os_memory.h instead"
  36 #endif
  37
  38 #include <stdlib.h>
  39
  40
  41 #define os_malloc(_size)  malloc(_size)
  42 #define os_calloc(_count, _size )  calloc(_count, _size )
  43 #define os_free(_ptr)  free(_ptr)
  44
  45 #define os_realloc( _old_ptr, _old_size, _new_size) \
  46    realloc(_old_ptr, _new_size + 0*(_old_size))
  47
  48
  49 #if defined(HAVE_POSIX_MEMALIGN)
  50
  51 static inline void *
  52 os_malloc_aligned(size_t size, size_t alignment)
  53 {
  54    void *ptr;
  55    alignment = (alignment + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
  56    if(posix_memalign(&ptr, alignment, size) != 0)
  57       return NULL;
  58    return ptr;
  59 }
  60
  61 #define os_free_aligned(_ptr) free(_ptr)
  62
  63 #elif DETECT_OS_WINDOWS
  64
  65 #include <malloc.h>
  66
  67 #define os_malloc_aligned(_size, _align) _aligned_malloc(_size, _align)
  68 #define os_free_aligned(_ptr) _aligned_free(_ptr)
  69
  70 #else
  71
  72 #include "os_memory_aligned.h"
  73
  74 #endif