initial commit

.gitea/workflows/test.yml

@@ -0,0 +1,8 @@
+on: [push]
+
+jobs:
+  test1:
+    runs-on: ubuntu-latest
+    container:
+      context: .
+      build: Dockerfile

Dockerfile

@@ -0,0 +1,12 @@
+FROM alpine:latest
+
+RUN apk add gcc
+RUN mkdir /app
+
+COPY *.c /app/
+COPY test.sh /
+RUN chmod +x "test.sh"
+
+WORKDIR /app
+
+ENTRYPOINT ["/test.sh"]

f.c

@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <malloc.h>
+
+size_t malloc_counter;
+size_t free_counter;
+
+void * TEST_MALLOC(size_t size)
+{
+	printf("malloc'ed %lu\n", size);
+
+	malloc_counter += size;
+	return malloc(size);
+}
+
+void TEST_FREE(void *p)
+{
+	size_t s = malloc_usable_size(p) - 8;
+	printf("freed %lu\n", s);
+
+	free_counter += s;
+
+	free(p);
+}
+
+#define malloc TEST_MALLOC
+#define free   TEST_FREE
+int f(void)
+{
+	free(malloc(16));
+	free(malloc(32));
+	free(malloc(48));
+	free(malloc(64));
+	free(malloc(96));
+	malloc(128);
+
+	return 1;
+}
+#undef malloc
+#undef free
+
+int main(void)
+{
+	malloc_counter = free_counter = 0;
+	(void) f();
+
+	printf("malloc: %lu, free: %lu\n", malloc_counter, free_counter);
+	
+	return malloc_counter != free_counter;
+}

test.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+gcc /app/f.c -o /app/f
+
+./f