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authorToomas Soome <tsoome@me.com>2016-10-31 11:32:03 +0200
committerRichard Lowe <richlowe@richlowe.net>2016-11-26 13:35:24 -0500
commitfce880d1411ac6f72a4f06d50af95f9912093f9f (patch)
tree65c2d4b66f0bb6689322c4331e1ae923b7bce9c9
parent2de8d7230f771f0640dc41231b6f4743c3f1afad (diff)
downloadillumos-joyent-fce880d1411ac6f72a4f06d50af95f9912093f9f.tar.gz
7526 bzip2 should have way to hide the compression support
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com> Reviewed by: Robert Mustacchi <rm@joyent.com> Approved by: Richard Lowe <richlowe@richlowe.net>
-rw-r--r--usr/src/common/bzip2/bzlib.c66
1 files changed, 38 insertions, 28 deletions
diff --git a/usr/src/common/bzip2/bzlib.c b/usr/src/common/bzip2/bzlib.c
index be878f92c4..22e2d8826e 100644
--- a/usr/src/common/bzip2/bzlib.c
+++ b/usr/src/common/bzip2/bzlib.c
@@ -30,6 +30,7 @@
#include "bzlib_private.h"
+#ifndef BZ_NO_COMPRESS
/*---------------------------------------------------*/
/*--- Compression stuff ---*/
@@ -85,6 +86,7 @@ void BZ2_bz__AssertH__fail ( int errcode )
}
#endif
+#endif /* BZ_NO_COMPRESS */
/*---------------------------------------------------*/
static
@@ -193,6 +195,7 @@ void default_bzfree ( void* opaque, void* addr )
#endif /* _KERNEL */
/*---------------------------------------------------*/
+#ifndef BZ_NO_COMPRESS
static
void prepare_new_block ( EState* s )
{
@@ -346,34 +349,6 @@ int BZ_API(BZ2_bzCompressReset) ( bz_stream *strm )
return BZ_OK;
}
-int BZ_API(BZ2_bzDecompressReset) ( bz_stream* strm )
-{
- DState* s = strm->state;
-
- if (!bz_config_ok()) return BZ_CONFIG_ERROR;
-
- if (strm == NULL) return BZ_PARAM_ERROR;
-
- s->strm = strm;
-
- s->state = BZ_X_MAGIC_1;
- s->bsLive = 0;
- s->bsBuff = 0;
- s->calculatedCombinedCRC = 0;
- strm->total_in_lo32 = 0;
- strm->total_in_hi32 = 0;
- strm->total_out_lo32 = 0;
- strm->total_out_hi32 = 0;
-
- s->ll4 = NULL;
- s->ll16 = NULL;
- s->tt = NULL;
- s->currBlockNo = 0;
-
-
- return BZ_OK;
-}
-
/*---------------------------------------------------*/
static
@@ -647,6 +622,7 @@ int BZ_API(BZ2_bzCompressEnd) ( bz_stream *strm )
return BZ_OK;
}
+#endif /* BZ_NO_COMPRESS */
/*---------------------------------------------------*/
/*--- Decompression stuff ---*/
@@ -691,6 +667,38 @@ int BZ_API(BZ2_bzDecompressInit)
return BZ_OK;
}
+/*---------------------------------------------------*/
+/*
+ * added to allow reuse of bz_stream without malloc/free
+ */
+int BZ_API(BZ2_bzDecompressReset) ( bz_stream* strm )
+{
+ DState* s = strm->state;
+
+ if (!bz_config_ok()) return BZ_CONFIG_ERROR;
+
+ if (strm == NULL) return BZ_PARAM_ERROR;
+
+ s->strm = strm;
+
+ s->state = BZ_X_MAGIC_1;
+ s->bsLive = 0;
+ s->bsBuff = 0;
+ s->calculatedCombinedCRC = 0;
+ strm->total_in_lo32 = 0;
+ strm->total_in_hi32 = 0;
+ strm->total_out_lo32 = 0;
+ strm->total_out_hi32 = 0;
+
+ s->ll4 = NULL;
+ s->ll16 = NULL;
+ s->tt = NULL;
+ s->currBlockNo = 0;
+
+
+ return BZ_OK;
+}
+
/*---------------------------------------------------*/
/* Return True iff data corruption is discovered.
@@ -1043,6 +1051,7 @@ int BZ_API(BZ2_bzDecompressEnd) ( bz_stream *strm )
return BZ_OK;
}
+#ifndef BZ_NO_COMPRESS
#ifndef BZ_NO_STDIO
/*---------------------------------------------------*/
@@ -1732,6 +1741,7 @@ const char * BZ_API(BZ2_bzerror) (BZFILE *b, int *errnum)
}
#endif
+#endif /* BZ_NO_COMPRESS */
/*-------------------------------------------------------------*/
/*--- end bzlib.c ---*/