-allow pbuf = NULL in case of NO MEMORY, too

diff --git a/main/spprintf.c b/main/spprintf.c
index fcef72b5644dc04a70d0ee994238545dfd3ad2da..1177588e47d09380af846102bad9b3450f96465f 100644 (file)
--- a/main/spprintf.c
+++ b/main/spprintf.c
@@ -618,7 +618,8 @@ PHPAPI int vspprintf(char **pbuf, size_t max_len, const char *format, va_list ap
         * highest possible address.
         */
        if (xbuf_init(&xbuf, max_len)) {
-               *pbuf = NULL;
+               if (pbuf)
+                       *pbuf = NULL;
                return 0;
        } else {
                /*