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replace calloc with remaining values emptying

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This commit is contained in:
homm 2016-06-08 03:45:08 +03:00
parent c8262660f0
commit 12c8cf94f2
1 changed files with 6 additions and 4 deletions
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10
libImaging/Resample.c
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@ -102,10 +102,8 @@ ImagingPrecompute(int inSize, int outSize, struct filter *filterp,
if (outSize > INT_MAX / (2 * sizeof(double))) if (outSize > INT_MAX / (2 * sizeof(double)))
return 0; return 0;
/* coefficient buffer. kmax elements for each of outSize pixels. /* coefficient buffer */
Only xmax number of coefficients are initialized (xmax <= kmax), kk = malloc(outSize * kmax * sizeof(double));
other coefficients should be 0, so we are using calloc. */
kk = calloc(outSize * kmax, sizeof(double));
if ( ! kk) if ( ! kk)
return 0; return 0;
@ -136,6 +134,10 @@ ImagingPrecompute(int inSize, int outSize, struct filter *filterp,
if (ww != 0.0) if (ww != 0.0)
k[x] /= ww; k[x] /= ww;
} }
// Remaining values should stay empty if they are used despite of xmax.
for (; x < kmax; x++) {
k[x] = 0;
}
xbounds[xx * 2 + 0] = xmin; xbounds[xx * 2 + 0] = xmin;
xbounds[xx * 2 + 1] = xmax; xbounds[xx * 2 + 1] = xmax;
} }