third_party/lzma_sdk/7zAlloc.c

   1 /* 7zAlloc.c -- Allocation functions
   2 2010-10-29 : Igor Pavlov : Public domain */
   3
   4 #include "7zAlloc.h"
   5
   6 /* #define _SZ_ALLOC_DEBUG */
   7 /* use _SZ_ALLOC_DEBUG to debug alloc/free operations */
   8
   9 #ifdef _SZ_ALLOC_DEBUG
  10
  11 #ifdef _WIN32
  12 #include <windows.h>
  13 #endif
  14
  15 #include <stdio.h>
  16 int g_allocCount = 0;
  17 int g_allocCountTemp = 0;
  18
  19 #endif
  20
  21 void *SzAlloc(void *p, size_t size)
  22 {
  23   p = p;
  24   if (size == 0)
  25     return 0;
  26   #ifdef _SZ_ALLOC_DEBUG
  27   fprintf(stderr, "\nAlloc %10d bytes; count = %10d", size, g_allocCount);
  28   g_allocCount++;
  29   #endif
  30   return malloc(size);
  31 }
  32
  33 void SzFree(void *p, void *address)
  34 {
  35   p = p;
  36   #ifdef _SZ_ALLOC_DEBUG
  37   if (address != 0)
  38   {
  39     g_allocCount--;
  40     fprintf(stderr, "\nFree; count = %10d", g_allocCount);
  41   }
  42   #endif
  43   free(address);
  44 }
  45
  46 void *SzAllocTemp(void *p, size_t size)
  47 {
  48   p = p;
  49   if (size == 0)
  50     return 0;
  51   #ifdef _SZ_ALLOC_DEBUG
  52   fprintf(stderr, "\nAlloc_temp %10d bytes;  count = %10d", size, g_allocCountTemp);
  53   g_allocCountTemp++;
  54   #ifdef _WIN32
  55   return HeapAlloc(GetProcessHeap(), 0, size);
  56   #endif
  57   #endif
  58   return malloc(size);
  59 }
  60
  61 void SzFreeTemp(void *p, void *address)
  62 {
  63   p = p;
  64   #ifdef _SZ_ALLOC_DEBUG
  65   if (address != 0)
  66   {
  67     g_allocCountTemp--;
  68     fprintf(stderr, "\nFree_temp; count = %10d", g_allocCountTemp);
  69   }
  70   #ifdef _WIN32
  71   HeapFree(GetProcessHeap(), 0, address);
  72   return;
  73   #endif
  74   #endif
  75   free(address);
  76 }