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lib: zlib: include deflate into zlib build

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Add a new config CONFIG_GZIP_ENABLED, if enabled, the uboot bin would
include zlib's deflate method which could be used for compressing.

Signed-off-by: Lei Wen <leiwen@marvell.com>
This commit is contained in:
Lei Wen 2012-09-28 04:26:44 +00:00 • committed by Tom Rini
parent e9a128d8e9
commit 7a32b98dac
4 changed files with 49 additions and 7 deletions
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8
lib/zlib/trees.c
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@ -1168,14 +1168,14 @@ local int detect_data_type(s)
* method would use a table)
* IN assertion: 1 <= len <= 15
*/
local unsigned bi_reverse(code, len)
unsigned code; /* the value to invert */
local unsigned bi_reverse(value, len)
unsigned value; /* the value to invert */
int len; /* its bit length */
{
register unsigned res = 0;
do {
res |= code & 1;
code >>= 1, res <<= 1;
res |= value & 1;
value >>= 1, res <<= 1;
} while (--len > 0);
return res >> 1;
}