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cab: Clarify lzx_decode_huffman signature

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No more than 16 bits shall ever be supplied for a table lookup.

Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
This commit is contained in:
Tobias Stoeckmann committed 2026-07-09 08:37:34 +02:00
1 parent 8beccd23e2
commit dcf31bea79
1 file changed
+3 -3
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libarchive/archive_read_support_format_cab.c
+3 -3
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@@ -444,7 +444,7 @@ static int lzx_read_bitlen(struct lzx_stream *, struct huffman *, int);
static int lzx_huffman_init(struct huffman *, size_t, int);
static void lzx_huffman_free(struct huffman *);
static int lzx_make_huffman_table(struct huffman *);
static uint16_t lzx_decode_huffman(struct huffman *, unsigned);
static uint16_t lzx_decode_huffman(struct huffman *, uint16_t);
int
@@ -3135,7 +3135,7 @@ lzx_read_bitlen(struct lzx_stream *strm, struct huffman *d, int end)
struct lzx_dec *ds = strm->ds;
struct lzx_br *br = &(ds->br);
int c, i, j, ret, same;
unsigned rbits;
uint16_t rbits;
i = ds->loop;
if (i == 0)
@@ -3378,7 +3378,7 @@ lzx_make_huffman_table(struct huffman *hf)
}
static uint16_t
lzx_decode_huffman(struct huffman *hf, unsigned rbits)
lzx_decode_huffman(struct huffman *hf, uint16_t rbits)
{
return hf->tbl[rbits];
}