Commit 02de0c57 authored by Paul Sokolovsky's avatar Paul Sokolovsky
Browse files

Add new alloc metric: current_bytes_allocated.

Unlike total_bytes_allocated, this tracks m_free()'s too.
parent 43f1c808
......@@ -4,6 +4,7 @@
#include "misc.h"
static int total_bytes_allocated = 0;
static int current_bytes_allocated = 0;
void *m_malloc(int num_bytes) {
if (num_bytes == 0) {
......@@ -15,6 +16,7 @@ void *m_malloc(int num_bytes) {
return NULL;
}
total_bytes_allocated += num_bytes;
current_bytes_allocated += num_bytes;
return ptr;
}
......@@ -28,6 +30,7 @@ void *m_malloc0(int num_bytes) {
return NULL;
}
total_bytes_allocated += num_bytes;
current_bytes_allocated += num_bytes;
return ptr;
}
......@@ -46,7 +49,9 @@ void *m_realloc(void *ptr, int old_num_bytes, int new_num_bytes) {
// shrunk to 1K and then grown to 2K again. It's still 2K
// allocated total. If we process only positive increments,
// we'll count 3K.
total_bytes_allocated += new_num_bytes - old_num_bytes;
int diff = new_num_bytes - old_num_bytes;
total_bytes_allocated += diff;
current_bytes_allocated += diff;
return ptr;
}
......@@ -54,8 +59,13 @@ void m_free(void *ptr, int num_bytes) {
if (ptr != NULL) {
free(ptr);
}
current_bytes_allocated -= num_bytes;
}
int m_get_total_bytes_allocated(void) {
return total_bytes_allocated;
}
int m_get_current_bytes_allocated(void) {
return current_bytes_allocated;
}
......@@ -32,6 +32,7 @@ void *m_realloc(void *ptr, int old_num_bytes, int new_num_bytes);
void m_free(void *ptr, int num_bytes);
int m_get_total_bytes_allocated(void);
int m_get_current_bytes_allocated(void);
/** unichar / UTF-8 *********************************************/
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment