Changed memory allocation wrappers to macros, so that it is possible to see

where the memory leak is happening.

ext/gd/libgd/gd_jpeg.c

@@ -29,6 +29,7 @@
 /* JCE: arrange HAVE_LIBJPEG so that it can be set in gd.h */
 #ifdef HAVE_LIBJPEG
 #include "gdhelpers.h"
+#undef HAVE_STDLIB_H
 
 /* 1.8.1: remove dependency on jinclude.h */
 #include "jpeglib.h"

ext/gd/libgd/gd_png.c

@@ -7,8 +7,9 @@
 /* JCE: Arrange HAVE_LIBPNG so that it can be set in gd.h */
 #ifdef HAVE_LIBPNG
 
-#include "gdhelpers.h"
+
 #include "png.h"		/* includes zlib.h and setjmp.h */
+#include "gdhelpers.h"
 
 #define TRUE 1
 #define FALSE 0

ext/gd/libgd/gdhelpers.c

@@ -2,8 +2,6 @@
 #include "config.h"
 #endif
 
-#include "php.h"
-
 #include "gd.h"
 #include "gdhelpers.h"
 #include <stdlib.h>
@@ -76,33 +74,3 @@ gd_strtok_r (char *s, char *sep, char **state)
   *state = s;
   return result;
 }
-
-void *
-gdCalloc (size_t nmemb, size_t size)
-{
-  return ecalloc (nmemb, size);
-}
-
-void *
-gdMalloc (size_t size)
-{
-  return emalloc (size);
-}
-
-void *
-gdRealloc (void *ptr, size_t size)
-{
-  return erealloc (ptr, size);
-}
-
-void
-gdFree (void *ptr)
-{
-  efree (ptr);
-}
-
-char *
-gdEstrdup (const char *ptr)
-{
-  return estrdup(ptr);
-}

ext/gd/libgd/gdhelpers.h

@@ -2,6 +2,7 @@
 #define GDHELPERS_H 1
 
 #include <sys/types.h>
+#include "php.h"
 
 /* TBB: strtok_r is not universal; provide an implementation of it. */
 
@@ -11,10 +12,11 @@ extern char *gd_strtok_r(char *s, char *sep, char **state);
 	in gd.h, where callers can utilize it to correctly
 	free memory allocated by these functions with the
 	right version of free(). */
-void *gdCalloc(size_t nmemb, size_t size);
-void *gdMalloc(size_t size);
-void *gdRealloc(void *ptr, size_t size);
-char *gdEstrdup(const char *ptr);
+#define gdCalloc(nmemb, size)	ecalloc(nmemb, size)
+#define gdMalloc(size)		emalloc(size)
+#define gdRealloc(ptr, size)	erealloc(ptr, size)
+#define gdEstrdup(ptr)		estrdup(ptr)
+#define gdFree(ptr)		efree(ptr)
 
 #endif /* GDHELPERS_H */