Initial commit.

py/malloc.c

@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "misc.h"
+
+static int total_bytes_allocated = 0;
+
+void m_free(void *ptr) {
+    if (ptr != NULL) {
+        free(ptr);
+    }
+}
+
+void *m_malloc(int num_bytes) {
+    if (num_bytes == 0) {
+        return NULL;
+    }
+    void *ptr = malloc(num_bytes);
+    if (ptr == NULL) {
+        printf("could not allocate memory, allocating %d bytes\n", num_bytes);
+        return NULL;
+    }
+    total_bytes_allocated += num_bytes;
+    return ptr;
+}
+
+void *m_malloc0(int num_bytes) {
+    if (num_bytes == 0) {
+        return NULL;
+    }
+    void *ptr = calloc(1, num_bytes);
+    if (ptr == NULL) {
+        printf("could not allocate memory, allocating %d bytes\n", num_bytes);
+        return NULL;
+    }
+    total_bytes_allocated += num_bytes;
+    return ptr;
+}
+
+void *m_realloc(void *ptr, int num_bytes) {
+    if (num_bytes == 0) {
+        free(ptr);
+        return NULL;
+    }
+    ptr = realloc(ptr, num_bytes);
+    if (ptr == NULL) {
+        printf("could not allocate memory, reallocating %d bytes\n", num_bytes);
+        return NULL;
+    }
+    total_bytes_allocated += num_bytes;
+    return ptr;
+}
+
+int m_get_total_bytes_allocated() {
+    return total_bytes_allocated;
+}