- sync with libgd.org, patch from Kees Cook

diff --git a/ext/gd/libgd/gdft.c b/ext/gd/libgd/gdft.c
index 25974528af8d028da5fd9ae388636400777a5375..86dd8c3c771abc3c2b5314c89c8b81967a0abf09 100644 (file)
--- a/ext/gd/libgd/gdft.c
+++ b/ext/gd/libgd/gdft.c
@@ -986,7 +986,7 @@ gdImageStringFTEx (gdImage * im, int *brect, int fg, char *fontlist, double ptsi
                                        } else {
                                                ch = c & 0xFF;  /* don't extend sign */
                                        }
-                                       next++;
+                                       if (*next) next++;
                                }
                                break;
                        case gdFTEX_Big5: {