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fix null dereference (but scan-build still warns with "Assigned value is garbage or undefined")

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This commit is contained in:
Brad Parker 2018-08-18 01:00:40 -04:00
parent 23d7fbcaf3
commit 2f87f669f1
1 changed files with 12 additions and 9 deletions
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21
libretro-common/formats/jpeg/rjpeg.c
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@ -2505,15 +2505,18 @@ static uint8_t *rjpeg_load_jpeg_image(rjpeg__jpeg *z,
if (n >= 3) if (n >= 3)
{ {
uint8_t *y = coutput[0]; uint8_t *y = coutput[0];
if (z->s->img_n == 3) if (y)
z->YCbCr_to_RGB_kernel(out, y, coutput[1], coutput[2], z->s->img_x, n); {
else if (z->s->img_n == 3)
for (i=0; i < z->s->img_x; ++i) z->YCbCr_to_RGB_kernel(out, y, coutput[1], coutput[2], z->s->img_x, n);
{ else
out[0] = out[1] = out[2] = y[i]; for (i=0; i < z->s->img_x; ++i)
out[3] = 255; /* not used if n==3 */ {
out += n; out[0] = out[1] = out[2] = y[i];
} out[3] = 255; /* not used if n==3 */
out += n;
}
}
} }
else else
{ {