lib/mem.c

   1 #include <memory.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <unistd.h>
   5 #include "mem.h"
   6
   7 // memory allocation
   8
   9 void rfx_free(void*ptr)
  10 {
  11   if(!ptr)
  12     return;
  13   free(ptr);
  14 }
  15
  16 void start_debugger()
  17 {
  18     //*(int*)0=0;
  19 }
  20
  21 void* rfx_alloc(int size)
  22 {
  23   void*ptr;
  24   if(size == 0) {
  25     //*(int*)0 = 0xdead;
  26     //fprintf(stderr, "Warning: Zero alloc\n");
  27     return 0;
  28   }
  29
  30   ptr = malloc(size);
  31   if(!ptr) {
  32     fprintf(stderr, "FATAL: Out of memory (while trying to claim %d bytes)\n", size);
  33     start_debugger();
  34     exit(1);
  35   }
  36   return ptr;
  37 }
  38 void* rfx_realloc(void*data, int size)
  39 {
  40   void*ptr;
  41   if(size == 0) {
  42     //*(int*)0 = 0xdead;
  43     //fprintf(stderr, "Warning: Zero realloc\n");
  44     rfx_free(data);
  45     return 0;
  46   }
  47   if(!data) {
  48     ptr = malloc(size);
  49   } else {
  50     ptr = realloc(data, size);
  51   }
  52
  53   if(!ptr) {
  54     fprintf(stderr, "FATAL: Out of memory (while trying to claim %d bytes)\n", size);
  55     start_debugger();
  56     exit(1);
  57   }
  58   return ptr;
  59 }
  60 void* rfx_calloc(int size)
  61 {
  62   void*ptr;
  63   if(size == 0) {
  64     //*(int*)0 = 0xdead;
  65     //fprintf(stderr, "Warning: Zero alloc\n");
  66     return 0;
  67   }
  68 #ifdef HAVE_CALLOC
  69   ptr = calloc(1, size);
  70 #else
  71   ptr = malloc(size);
  72 #endif
  73   if(!ptr) {
  74     fprintf(stderr, "FATAL: Out of memory (while trying to claim %d bytes)\n", size);
  75     start_debugger();
  76     exit(1);
  77   }
  78 #ifndef HAVE_CALLOC
  79   memset(ptr, 0, size);
  80 #endif
  81   return ptr;
  82 }
  83 #ifndef HAVE_CALLOC
  84 void* rfx_calloc_replacement(int nmemb, int size)
  85 {
  86     rfx_calloc(nmemb*size);
  87 }
  88 #endif
  89
  90 #ifdef MEMORY_INFO
  91 long rfx_memory_used()
  92 {
  93 }
  94
  95 char* rfx_memory_used_str()
  96 {
  97 }
  98 #endif
  99