diff options
Diffstat (limited to 'lib/zlib_deflate/deftree.c')
| -rw-r--r-- | lib/zlib_deflate/deftree.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/zlib_deflate/deftree.c b/lib/zlib_deflate/deftree.c index ddf348299f24..9b1756b12743 100644 --- a/lib/zlib_deflate/deftree.c +++ b/lib/zlib_deflate/deftree.c @@ -35,6 +35,7 @@ /* #include "deflate.h" */ #include <linux/zutil.h> +#include <linux/bitrev.h> #include "defutil.h" #ifdef DEBUG_ZLIB @@ -146,7 +147,6 @@ static void send_all_trees (deflate_state *s, int lcodes, int dcodes, static void compress_block (deflate_state *s, ct_data *ltree, ct_data *dtree); static void set_data_type (deflate_state *s); -static unsigned bi_reverse (unsigned value, int length); static void bi_windup (deflate_state *s); static void bi_flush (deflate_state *s); static void copy_block (deflate_state *s, char *buf, unsigned len, @@ -284,7 +284,7 @@ static void tr_static_init(void) /* The static distance tree is trivial: */ for (n = 0; n < D_CODES; n++) { static_dtree[n].Len = 5; - static_dtree[n].Code = bi_reverse((unsigned)n, 5); + static_dtree[n].Code = bitrev32((u32)n) >> (32 - 5); } static_init_done = 1; } @@ -520,7 +520,7 @@ static void gen_codes( int len = tree[n].Len; if (len == 0) continue; /* Now reverse the bits */ - tree[n].Code = bi_reverse(next_code[len]++, len); + tree[n].Code = bitrev32((u32)(next_code[len]++)) >> (32 - len); Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ", n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1)); |