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remove a pointless optimisation from rad2float

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Some old rad code could cause a read beyond end of buffer.
This commit is contained in:
John Cupitt 2019-08-27 09:23:16 +01:00
parent c8ff970476
commit 3e89944bf9
1 changed files with 4 additions and 11 deletions
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15
libvips/colour/rad2float.c
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@ -164,17 +164,10 @@ vips_rad2float_line( VipsColour *colour, VipsPel *out, VipsPel **in, int width )
COLR *inp = (COLR *) in[0];
COLOR *outbuf = (COLOR *) out;
colr_color(outbuf[0], inp[0]);
while (--width > 0) {
outbuf++; inp++;
if (inp[0][RED] == inp[-1][RED] &&
inp[0][GRN] == inp[-1][GRN] &&
inp[0][BLU] == inp[-1][BLU] &&
inp[0][EXP] == inp[-1][EXP])
copycolor(outbuf[0], outbuf[-1]);
else
colr_color(outbuf[0], inp[0]);
}
int i;
for( i = 0; i < width; i++ )
colr_color( outbuf[i], inp[i] );
}
static void