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fix comparison of integers of different signs

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Cristy
2023-08-20 11:12:45 -04:00
parent 8e56810412
commit dea2fc650c
1 changed files with 2 additions and 2 deletions
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coders/pict.c
+2 -2
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@@ -523,7 +523,7 @@ static unsigned char *DecodeImage(Image *blob,Image *image,
number_pixels=length*bytes_per_pixel;
p=UnpackScanline(scanline+j+1,bits_per_pixel,unpack_buffer,
&number_pixels);
if ((q-pixels+(ssize_t) number_pixels) <= *extent)
if ((size_t) (q-pixels+(ssize_t) number_pixels) <= *extent)
(void) memcpy(q,p,(size_t) number_pixels);
q+=number_pixels;
j+=(ssize_t) (length*bytes_per_pixel+1);
@@ -536,7 +536,7 @@ static unsigned char *DecodeImage(Image *blob,Image *image,
&number_pixels);
for (i=0; i < (ssize_t) length; i++)
{
if ((q-pixels+(ssize_t) number_pixels) <= *extent)
if ((size_t) (q-pixels+(ssize_t) number_pixels) <= *extent)
(void) memcpy(q,p,(size_t) number_pixels);
q+=number_pixels;
}