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Simplified code as both values are 7 bit

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This commit is contained in:
Andrew Murray 2022-02-23 13:04:20 +11:00
parent 14b9b597ff
commit 17d342bc4b
1 changed files with 1 additions and 6 deletions
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7
src/libImaging/TgaRleDecode.c
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@ -42,15 +42,13 @@ ImagingTgaRleDecode(Imaging im, ImagingCodecState state, UINT8 *buf, Py_ssize_t
return ptr - buf;
}
n = depth * ((ptr[0] & 0x7f) + 1);
if (ptr[0] & 0x80) {
/* Run (1 + pixelsize bytes) */
if (bytes < 1 + depth) {
break;
}
n = depth * ((ptr[0] & 0x7f) + 1);
if (state->x + n > state->bytes) {
state->errcode = IMAGING_CODEC_OVERRUN;
return -1;
@ -67,11 +65,8 @@ ImagingTgaRleDecode(Imaging im, ImagingCodecState state, UINT8 *buf, Py_ssize_t
ptr += 1 + depth;
bytes -= 1 + depth;
} else {
/* Literal (1+n+1 bytes block) */
n = depth * (ptr[0] + 1);
if (bytes < 1 + n) {
break;
}