memory handling routines

diff --git a/lib/mem.c b/lib/mem.c
new file mode 100644 (file)
index 0000000..98f4b1d
--- /dev/null
+++ b/lib/mem.c
@@ -0,0 +1,86 @@
+#include <memory.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+// memory allocation
+
+void rfx_free(void*ptr)
+{
+  if(!ptr)
+    return;
+  free(ptr);
+}
+
+void* rfx_alloc(int size)
+{
+  void*ptr;
+  if(size == 0) {
+    //*(int*)0 = 0xdead;
+    //fprintf(stderr, "Warning: Zero alloc\n");
+    return 0;
+  }
+
+  ptr = malloc(size);
+  if(!ptr) {
+    fprintf(stderr, "FATAL: Out of memory (while trying to claim %d bytes)\n", size);
+    /* TODO: we should send a signal, so that the debugger kicks in? */
+    exit(1);
+  }
+  return ptr;
+}
+void* rfx_realloc(void*data, int size)
+{
+  void*ptr;
+  if(size == 0) {
+    //*(int*)0 = 0xdead;
+    //fprintf(stderr, "Warning: Zero realloc\n");
+    rfx_free(data);
+    return 0;
+  }
+  if(!data) {
+    ptr = malloc(size);
+  } else {
+    ptr = realloc(data, size);
+  }
+
+  if(!ptr) {
+    fprintf(stderr, "FATAL: Out of memory (while trying to claim %d bytes)\n", size);
+    /* TODO: we should send a signal, so that the debugger kicks in? */
+    exit(1);
+  }
+  return ptr;
+}
+void* rfx_calloc(int size)
+{
+  void*ptr;
+  if(size == 0) {
+    //*(int*)0 = 0xdead;
+    //fprintf(stderr, "Warning: Zero alloc\n");
+    return 0;
+  }
+#ifdef HAVE_CALLOC
+  ptr = calloc(size);
+#else
+  ptr = malloc(size);
+#endif
+  if(!ptr) {
+    fprintf(stderr, "FATAL: Out of memory (while trying to claim %d bytes)\n", size);
+    /* TODO: we should send a signal, so that the debugger kicks in? */
+    exit(1);
+  }
+#ifndef HAVE_CALLOC
+  memset(ptr, 0, size);
+#endif
+  return ptr;
+}
+
+#ifdef MEMORY_INFO
+long rfx_memory_used()
+{
+}
+
+char* rfx_memory_used_str()
+{
+}
+#endif
+

diff --git a/lib/mem.h b/lib/mem.h
new file mode 100644 (file)
index 0000000..d7a4bfe
--- /dev/null
+++ b/lib/mem.h
@@ -0,0 +1,13 @@
+#ifndef __mem_h__
+#define __mem_h__
+
+#define ALLOC_ARRAY(type, num) (((type)*)rfxalloc(sizeof(type)*(num)))
+void* rfx_alloc(int size);
+void* rfx_calloc(int size);
+void* rfx_realloc(void*data, int size);
+void rfx_free(void*data);
+#ifdef MEMORY_INFO
+long rfx_memory_used();
+char* rfx_memory_used_str();
+#endif
+#endif //__mem_h__