From d22a49d2d6dc4bfc67bce71c7652013704ed304a Mon Sep 17 00:00:00 2001
From: Packit <packit>
Date: Sep 14 2020 07:02:18 +0000
Subject: Apply patch gd-2.2.5-null-pointer.patch


patch_name: gd-2.2.5-null-pointer.patch
present_in_specfile: true

---

diff --git a/src/gd.c b/src/gd.c
index 7f0a258..45ee762 100755
--- a/src/gd.c
+++ b/src/gd.c
@@ -2855,14 +2855,6 @@ BGD_DECLARE(gdImagePtr) gdImageClone (gdImagePtr src) {
 		}
 	}
 
-	if (src->styleLength > 0) {
-		dst->styleLength = src->styleLength;
-		dst->stylePos    = src->stylePos;
-		for (i = 0; i < src->styleLength; i++) {
-			dst->style[i] = src->style[i];
-		}
-	}
-
 	dst->interlace   = src->interlace;
 
 	dst->alphaBlendingFlag = src->alphaBlendingFlag;
@@ -2897,6 +2889,7 @@ BGD_DECLARE(gdImagePtr) gdImageClone (gdImagePtr src) {
 
 	if (src->style) {
 		gdImageSetStyle(dst, src->style, src->styleLength);
+		dst->stylePos = src->stylePos;
 	}
 
 	for (i = 0; i < gdMaxColors; i++) {
diff --git a/tests/gdimageclone/style.c b/tests/gdimageclone/style.c
new file mode 100644
index 0000000..c2b246e
--- /dev/null
+++ b/tests/gdimageclone/style.c
@@ -0,0 +1,30 @@
+/**
+ * Cloning an image should exactly reproduce all style related data
+ */
+
+
+#include <string.h>
+#include "gd.h"
+#include "gdtest.h"
+
+
+int main()
+{
+    gdImagePtr im, clone;
+    int style[] = {0, 0, 0};
+
+    im = gdImageCreate(8, 8);
+    gdImageSetStyle(im, style, sizeof(style)/sizeof(style[0]));
+
+    clone = gdImageClone(im);
+    gdTestAssert(clone != NULL);
+
+    gdTestAssert(clone->styleLength == im->styleLength);
+    gdTestAssert(clone->stylePos == im->stylePos);
+    gdTestAssert(!memcmp(clone->style, im->style, sizeof(style)/sizeof(style[0])));
+
+    gdImageDestroy(clone);
+    gdImageDestroy(im);
+
+    return gdNumFailures();
+}