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 } 81
