extend memory allocation functions on macos

Makefile

@@ -15,7 +15,6 @@ all-examples:
 	   cp -a basic_testing.h "$$ex"/tests ;\
 	   $(MAKE) -C "$$ex" clean > /dev/null || test_result=FAIL; \
 	   $(MAKE) -C "$$ex" -j $(PARALLELISM) TEST_COLORS=no > "$$ex".out 2>&1 || test_result=FAIL ; \
-	   cat "$$ex".out ; \
 	   if test -r "$$ex".expected; \
 	   	then { IFS=''; while read l; \
 	   	        do if grep -Fq "$$l" "$$ex".out; \

basic_testing.h

@@ -862,6 +862,40 @@ void * calloc (size_t nmemb, size_t size) {
     return p;
 }
 
+#ifdef __APPLE__
+BT_POSSIBLY_UNUSED
+void * valloc (size_t size) {
+    static void *(*libc_valloc)(size_t) = NULL;
+
+    if (!libc_valloc)
+	libc_valloc = (void *(*)(size_t)) dlsym(RTLD_NEXT, "valloc");
+
+    return malloc (size);
+}
+
+BT_POSSIBLY_UNUSED
+void * aligned_alloc (size_t aligned, size_t size) {
+    static void *(*libc_aligned_alloc)(size_t, size_t) = NULL;
+
+    if (!libc_aligned_alloc)
+	libc_aligned_alloc = (void *(*)(size_t, size_t)) dlsym(RTLD_NEXT, "aligned_alloc");
+
+    return malloc (size);
+}
+
+BT_POSSIBLY_UNUSED
+void * reallocf (void * ptr, size_t size) {
+    static void *(*libc_reallocf)(void *, size_t) = NULL;
+
+    if (!libc_reallocf)
+	libc_reallocf = (void *(*)(size_t, size_t)) dlsym(RTLD_NEXT, "reallocf");
+
+    void * ret = realloc (ptr, size);
+    if (!ret) free (ptr);
+    return ret;
+}
+#endif
+
 #ifndef __APPLE__
 BT_POSSIBLY_UNUSED
 void * reallocarray (void * ptr, size_t nmemb, size_t size) {

ex/memory_checks_cpp/tests/08_stdlib_functions.cc

@@ -357,6 +357,7 @@ TEST (basic_file_operations_no_leak) {
 }
 
 
+#ifndef __APPLE__
 static void write_str (char *buf, const char *format, ...) {
     va_list ap;
 
@@ -385,7 +386,7 @@ TEST (stdio_sprintf_scanf_no_leak) {
     CHECK_CMP (x,==,11);
     TEST_PASSED;
 }
-
+#endif