test

temporary test of whether platforms return null or non-null pointer for a
`malloc(0)` call.

bin/Makefile.am

@@ -45,6 +45,19 @@ vlc_CPPFLAGS += -DHAVE_BREAKPAD
 endif
 endif
 
+vlc_malloc0_SOURCES = malloc0.c
+vlc_malloc0_CFLAGS = $(AM_CFLAGS) \
+	-DTOP_BUILDDIR=\"$$(cd "$(top_builddir)"; pwd)\" \
+	-DTOP_SRCDIR=\"$$(cd "$(top_srcdir)"; pwd)\" \
+	$(NULL)
+vlc_malloc0_CPPFLAGS = $(vlc_CPPFLAGS)
+vlc_malloc0_DEPENDENCIES = $(vlc_DEPENDENCIES)
+vlc_malloc0_LDADD = $(vlc_LDADD)
+vlc_malloc0_LDFLAGS = $(vlc_LDFLAGS) -no-install -static
+if BUILD_VLC
+bin_PROGRAMS += vlc-malloc0
+endif
+
 vlc_osx_SOURCES = darwinvlc.m
 vlc_osx_LDFLAGS = $(LDFLAGS_vlc) -Wl,-framework,CoreFoundation,-framework,Cocoa
 vlc_osx_LDFLAGS += -Xlinker -rpath -Xlinker "$(libdir)"
@@ -146,3 +159,12 @@ endif
 	else \
 		echo "Cross-compilation: cache generation skipped!" ; \
 	fi
+	ls -la
+	echo "Trying to run malloc(0) test - BEFORE";
+if !HAVE_WIN32
+	./vlc-malloc0 2>&1 malloc0.log
+else
+	./vlc-malloc0.exe 2>&1 malloc0.log
+endif
+	cat malloc0.log
+	echo "Trying to run malloc(0) test - AFTER";

bin/malloc0.c

+#include <stdlib.h>
+#include <stdio.h>
+
+int main() {
+    void *ptr = malloc(0);
+    if (ptr == NULL) {
+        fprintf(stderr, "Pointer for malloc(0): null\n");
+    }
+    else {
+        fprintf(stderr, "Pointer for malloc(0): non-null (%p)\n", ptr);
+    }
+}