nel/3rdparty/seven_zip/7zAlloc.c

   1 /* 7zAlloc.c -- Allocation functions
   2 2017-04-03 : Igor Pavlov : Public domain */
   3
   4 #include "Precomp.h"
   5
   6 #include <stdlib.h>
   7
   8 #include "7zAlloc.h"
   9
  10 /* #define _SZ_ALLOC_DEBUG */
  11 /* use _SZ_ALLOC_DEBUG to debug alloc/free operations */
  12
  13 #ifdef _SZ_ALLOC_DEBUG
  14
  15 #ifdef _WIN32
  16 #include <windows.h>
  17 #endif
  18
  19 #include <stdio.h>
  20 int g_allocCount = 0;
  21 int g_allocCountTemp = 0;
  22
  23 #endif
  24
  25 void *SzAlloc(ISzAllocPtr p, size_t size)
  26 {
  27   UNUSED_VAR(p);
  28   if (size == 0)
  29     return 0;
  30   #ifdef _SZ_ALLOC_DEBUG
  31   fprintf(stderr, "\nAlloc %10u bytes; count = %10d", (unsigned)size, g_allocCount);
  32   g_allocCount++;
  33   #endif
  34   return malloc(size);
  35 }
  36
  37 void SzFree(ISzAllocPtr p, void *address)
  38 {
  39   UNUSED_VAR(p);
  40   #ifdef _SZ_ALLOC_DEBUG
  41   if (address != 0)
  42   {
  43     g_allocCount--;
  44     fprintf(stderr, "\nFree; count = %10d", g_allocCount);
  45   }
  46   #endif
  47   free(address);
  48 }
  49
  50 void *SzAllocTemp(ISzAllocPtr p, size_t size)
  51 {
  52   UNUSED_VAR(p);
  53   if (size == 0)
  54     return 0;
  55   #ifdef _SZ_ALLOC_DEBUG
  56   fprintf(stderr, "\nAlloc_temp %10u bytes;  count = %10d", (unsigned)size, g_allocCountTemp);
  57   g_allocCountTemp++;
  58   #ifdef _WIN32
  59   return HeapAlloc(GetProcessHeap(), 0, size);
  60   #endif
  61   #endif
  62   return malloc(size);
  63 }
  64
  65 void SzFreeTemp(ISzAllocPtr p, void *address)
  66 {
  67   UNUSED_VAR(p);
  68   #ifdef _SZ_ALLOC_DEBUG
  69   if (address != 0)
  70   {
  71     g_allocCountTemp--;
  72     fprintf(stderr, "\nFree_temp; count = %10d", g_allocCountTemp);
  73   }
  74   #ifdef _WIN32
  75   HeapFree(GetProcessHeap(), 0, address);
  76   return;
  77   #endif
  78   #endif
  79   free(address);
  80 }