andwn · March 17, 2016 00:07 · Mar 17, 2016 · Mar 17, 2016
diff --git a/palloc.c b/palloc.c
@@ -0,0 +1,30 @@
+#define _GNU_SOURCE
+#include <dlfcn.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void *memset(void*,int,size_t);
+void *memcpy(void *to, const void *from, size_t size);
+
+static void * (*myfn_calloc)(size_t nmemb, size_t size);
+
+static void init() {
+    myfn_calloc = dlsym(RTLD_NEXT, "calloc");
+    if (!myfn_calloc) {
+        fprintf(stderr, "Error in `dlsym`: %s\n", dlerror());
+        exit(1);
+    }
+}
+
+void *calloc(size_t nmemb, size_t size) {
+    void *ptr = malloc(nmemb*size);
+    if (ptr) {
+		char penis[] = "penis";
+		for(size_t i = 0; i < nmemb*size; i+= 5) {
+			memcpy(((char*)ptr)+i, penis, 5);
+		}
+		memset(((char*)ptr)+nmemb*size-1, 0, 1);
+	}
+    return ptr;
+}