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Add params check for ImagingNewBlock

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Alexander 2017-09-15 00:09:36 +03:00
parent 3b5c2c30be
commit 852124d49b
1 changed files with 4 additions and 1 deletions
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5
libImaging/Storage.c
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@ -173,7 +173,6 @@ ImagingNewPrologueSubtype(const char *mode, int xsize, int ysize, int size)
im->linesize = xsize * 4;
} else if (strcmp(mode, "RGBa") == 0) {
/* EXPERIMENTAL */
/* 32-bit true colour images with premultiplied alpha */
im->bands = im->pixelsize = 4;
im->linesize = xsize * 4;
@ -423,6 +422,10 @@ ImagingNewBlock(const char* mode, int xsize, int ysize)
{
Imaging im;
if (xsize < 0 || ysize < 0) {
return (Imaging) ImagingError_ValueError("bad image size");
}
im = ImagingNewPrologue(mode, xsize, ysize);
if ( ! im)
return NULL;