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| author | Lei Wen <adrian.wenl@gmail.com> | 2012-09-28 04:26:44 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-09-29 07:26:08 -0700 |
| commit | 7a32b98dacfa2da6dace2ae1d9eff08932eec61a (patch) | |
| tree | 2a3b21801bfed546dcfdb8b3c3417ed5348b184d /lib/zlib | |
| parent | e9a128d8e907071d45f08c878ddacc6362554eee (diff) | |
| download | blackbird-obmc-uboot-7a32b98dacfa2da6dace2ae1d9eff08932eec61a.tar.gz blackbird-obmc-uboot-7a32b98dacfa2da6dace2ae1d9eff08932eec61a.zip | |
lib: zlib: include deflate into zlib build
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>
Diffstat (limited to 'lib/zlib')
| -rw-r--r-- | lib/zlib/trees.c | 8 | ||||
| -rw-r--r-- | lib/zlib/zlib.c | 8 | ||||
| -rw-r--r-- | lib/zlib/zutil.h | 4 |
3 files changed, 16 insertions, 4 deletions
diff --git a/lib/zlib/trees.c b/lib/zlib/trees.c index 56e9bb1c11..a0078d08ee 100644 --- a/lib/zlib/trees.c +++ b/lib/zlib/trees.c @@ -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; } diff --git a/lib/zlib/zlib.c b/lib/zlib/zlib.c index 230d0df682..7e1570292c 100644 --- a/lib/zlib/zlib.c +++ b/lib/zlib/zlib.c @@ -12,6 +12,14 @@ * - added inflateIncomp */ +#include <common.h> + +#ifdef CONFIG_GZIP_COMPRESSED +#define NO_DUMMY_DECL +#include "deflate.c" +#include "trees.c" +#endif + #include "zutil.h" #include "inftrees.h" #include "inflate.h" diff --git a/lib/zlib/zutil.h b/lib/zlib/zutil.h index 114cb744e0..7e05c3b564 100644 --- a/lib/zlib/zutil.h +++ b/lib/zlib/zutil.h @@ -83,6 +83,10 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ /* The minimum and maximum match lengths */ /* functions */ +#ifdef CONFIG_GZIP_COMPRESSED +#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ +# define OS_CODE 0x03 /* assume Unix */ +#endif #include <linux/string.h> #define zmemcpy memcpy |
