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check non-null before any use.

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This commit is contained in:
Takeshi Abe 2009-04-23 16:25:17 +00:00
parent 7db1207d47
commit b6b8240fb3
1 changed files with 4 additions and 6 deletions
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10
ext/gd/libgd/gd.c
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@ -3873,16 +3873,15 @@ int gdImageConvolution(gdImagePtr src, float filter[3][3], float filter_div, flo
/* We need the orinal image with each safe neoghb. pixel */
srcback = gdImageCreateTrueColor (src->sx, src->sy);
if (srcback==NULL) {
return 0;
}
srcback->saveAlphaFlag = 1;
srctrans = gdImageColorAllocateAlpha(srcback, 0, 0, 0, 127);
gdImageFill(srcback, 0, 0, srctrans);
gdImageCopy(srcback, src,0,0,0,0,src->sx,src->sy);
if (srcback==NULL) {
return 0;
}
f = GET_PIXEL_FUNCTION(src);
for ( y=0; y<src->sy; y++) {
@ -3939,11 +3938,10 @@ int gdImageSelectiveBlur( gdImagePtr src)
/* We need the orinal image with each safe neoghb. pixel */
srcback = gdImageCreateTrueColor (src->sx, src->sy);
gdImageCopy(srcback, src,0,0,0,0,src->sx,src->sy);
if (srcback==NULL) {
return 0;
}
gdImageCopy(srcback, src,0,0,0,0,src->sx,src->sy);
f = GET_PIXEL_FUNCTION(src);