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fix possible NULL deref

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This commit is contained in:
Pierre Joye 2013-04-09 10:09:17 +02:00
parent 4d4adf47e0
commit 88b3cdc4e9
1 changed files with 4 additions and 2 deletions
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6
ext/gd/libgd/gd_rotate.c
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@ -216,12 +216,13 @@ gdImagePtr gdImageRotate90 (gdImagePtr src, int ignoretransparent)
f = gdImageGetPixel;
}
dst = gdImageCreateTrueColor(src->sy, src->sx);
dst->transparent = src->transparent;
if (dst != NULL) {
int old_blendmode = dst->alphaBlendingFlag;
dst->alphaBlendingFlag = 0;
dst->transparent = src->transparent;
gdImagePaletteCopy (dst, src);
for (uY = 0; uY<src->sy; uY++) {
@ -310,12 +311,13 @@ gdImagePtr gdImageRotate270 (gdImagePtr src, int ignoretransparent)
f = gdImageGetPixel;
}
dst = gdImageCreateTrueColor (src->sy, src->sx);
dst->transparent = src->transparent;
if (dst != NULL) {
int old_blendmode = dst->alphaBlendingFlag;
dst->alphaBlendingFlag = 0;
dst->transparent = src->transparent;
gdImagePaletteCopy (dst, src);
for (uY = 0; uY<src->sy; uY++) {