moved syscall debugging to a new file

inc/lc6_debug.h

+#ifdef LC6_DEBUG
+
+#ifndef LC6_DEBUG_H
+#define LC6_DEBUG_H
+
+// DO NOT include the common.h here.
+// because we're overriding functions
+// #include "../inc/lc6_common.h"
+
+void* lc6debug_malloc(size_t, char *, const char*, int);
+void* lc6debug_realloc(void *ptr, size_t, char *, const char*, int);
+void  lc6debug_free(void *ptr, char *, const char*, int);
+
+#define malloc(x) lc6debug_malloc(x, __FILE__, __func__, __LINE__)
+#define realloc(x,y) lc6debug_realloc(x, y, __FILE__, __func__, __LINE__)
+#define free(x) lc6debug_free(x, __FILE__, __func__, __LINE__)
+
+#endif
+
+#endif

src/lc6_debug.c

+#ifdef LC6_DEBUG
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "../inc/lc6_debug.h"
+
+
+void* lc6debug_malloc(size_t size, char *file, const char *func, int line) {
+	printf("[%s:%d] %s called malloc(%lu)\n", file, line, func, size);
+	return malloc(size);
+}
+
+void* lc6debug_realloc(void *ptr, size_t size, char *file, const char *func, int line) {
+	printf("[%s:%d] %s called realloc(%p, %lu)\n", file, line, func, ptr, size);
+	return realloc(ptr, size);
+}
+
+void lc6debug_free(void *ptr, char *file, const char *func, int line) {
+	printf("[%s:%d] %s called free(%p)\n", file, line, func, ptr);
+	free(ptr);
+}
+
+#endif