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authorMichael Niedermayer <michaelni@gmx.at>2012-08-12 05:32:07 +0200
committerVittorio Giovara <vittorio.giovara@gmail.com>2014-04-01 01:13:18 +0200
commit0279d1d0946a854aa08919abd05b7f2da433823e (patch)
tree5e7376cb2d1b71feee327163b125a05534e37585 /libavcodec/sgidec.c
parente7cd53bf662a93330810981f1d057bdf2ead669e (diff)
sgi: fix end of line boundary detection
Diffstat (limited to 'libavcodec/sgidec.c')
-rw-r--r--libavcodec/sgidec.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/sgidec.c b/libavcodec/sgidec.c
index 91b68eb9f7..112a18159b 100644
--- a/libavcodec/sgidec.c
+++ b/libavcodec/sgidec.c
@@ -48,13 +48,14 @@ static int expand_rle_row(SgiState *s, uint8_t *out_buf,
{
unsigned char pixel, count;
unsigned char *orig = out_buf;
+ uint8_t *out_end = out_buf + len;
- while (1) {
+ while (out_buf < out_end) {
if (bytestream2_get_bytes_left(&s->g) < 1)
return AVERROR_INVALIDDATA;
pixel = bytestream2_get_byteu(&s->g);
if (!(count = (pixel & 0x7f))) {
- return (out_buf - orig) / pixelstride;
+ break;
}
/* Check for buffer overflow. */
@@ -77,6 +78,7 @@ static int expand_rle_row(SgiState *s, uint8_t *out_buf,
}
}
}
+ return (out_buf - orig) / pixelstride;
}
/**