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-rw-r--r--mem/mem.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/mem/mem.cpp b/mem/mem.cpp
new file mode 100644
index 0000000..0442d4e
--- /dev/null
+++ b/mem/mem.cpp
@@ -0,0 +1,80 @@
+#define _CRT_SECURE_NO_WARNINGS
+
+#include <stdlib.h>
+#include <stdio.h>
+#pragma warning(disable : 4996)
+void *debug_malloc(size_t size, const char* file, int line) {
+ void *p = malloc(size);
+
+ if (p == NULL) {
+ return NULL;
+ }
+
+ char buff[256];
+
+ sprintf(buff, "%p.mem", p);
+
+ FILE *f = fopen(buff, "w");
+
+ fprintf(f, "File: %s\nLine: %d\nSize: %zu bytes\n", file, line, size);
+ fclose(f);
+
+ return p;
+}
+
+void *debug_calloc(size_t count, size_t size, const char* file, int line) {
+ void *p = calloc(count, size);
+
+ if (p == NULL) {
+ return NULL;
+ }
+
+ char buff[256];
+
+ sprintf(buff, "%p.mem", p);
+
+ FILE *f = fopen(buff, "w");
+
+ fprintf(f, "File: %s\nLine: %d\nSize: %zu bytes\n", file, line,
+ count * size);
+ fclose(f);
+
+ return p;
+}
+
+void *debug_realloc(void *ptr, size_t size, const char* file, int line) {
+ void *p = realloc(ptr, size);
+
+ if (p == NULL) {
+ return NULL;
+ }
+
+ char buff[256];
+ //Delete the old pointer record
+ sprintf(buff, "%p.mem", ptr);
+ if (unlink(buff) < 0) {
+ printf("Double free: %p File: %s Line: %d\n", ptr, file, line);
+ }
+
+ //Create the new pointer record
+ sprintf(buff, "%p.mem", p);
+
+ FILE *f = fopen(buff, "w");
+
+ fprintf(f, "File: %s\nLine: %d\nSize: %zu bytes\n", file, line, size);
+ fclose(f);
+
+ return p;
+}
+
+void debug_free(void *p, const char* file, int line) {
+ char buff[256];
+
+ sprintf(buff, "%p.mem", p);
+ if (unlink(buff) < 0) {
+ printf("Double free: %p File: %s Line: %d\n", p, file, line);
+ }
+
+ free(p);
+}
+