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set error type when it happens

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This commit is contained in:
homm 2016-12-01 04:10:58 +03:00
parent 8d7355e733
commit c7161af924
1 changed files with 9 additions and 4 deletions
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13
libImaging/Resample.c
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@ -146,19 +146,24 @@ precompute_coeffs(int inSize, float in0, float in1, int outSize,
kmax = (int) ceil(support) * 2 + 1;
// check for overflow
if (outSize > INT_MAX / (kmax * sizeof(double)))
if (outSize > INT_MAX / (kmax * sizeof(double))) {
ImagingError_MemoryError();
return 0;
}
/* coefficient buffer */
/* malloc check ok, overflow checked above */
kk = malloc(outSize * kmax * sizeof(double));
if ( ! kk)
if ( ! kk) {
ImagingError_MemoryError();
return 0;
}
/* malloc check ok, kmax*sizeof(double) > 2*sizeof(int) */
xbounds = malloc(outSize * 2 * sizeof(int));
if ( ! xbounds) {
free(kk);
ImagingError_MemoryError();
return 0;
}
@ -571,7 +576,7 @@ ImagingResampleInner(Imaging imIn, int xsize, int ysize,
kmax = precompute_coeffs(imIn->xsize, box[0], box[2], xsize, filterp,
&xbounds, &kk);
if ( ! kmax) {
return (Imaging) ImagingError_MemoryError();
return NULL;
}
imTemp = ImagingNew(imIn->mode, xsize, imIn->ysize);
@ -592,7 +597,7 @@ ImagingResampleInner(Imaging imIn, int xsize, int ysize,
&xbounds, &kk);
if ( ! kmax) {
ImagingDelete(imTemp);
return (Imaging) ImagingError_MemoryError();
return NULL;
}
imOut = ImagingNew(imIn->mode, imIn->xsize, ysize);