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Make bz2 {de,}compression dependent on the header file being available.

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Fixes an error reported by Anthony Bentley when compiling on OpenBSD,
which apparently lacks bzlib.h (and bz2).

Tests run to completion successfully both with and without bz2 being
available.
This commit is contained in:
agc 2010-10-31 18:31:03 +00:00
parent 217b77c094
commit 22b68feadb
1 changed files with 13 additions and 1 deletions
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14
crypto/external/bsd/netpgp/dist/src/lib/compress.c vendored
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@ -57,7 +57,7 @@
#if defined(__NetBSD__)
__COPYRIGHT("@(#) Copyright (c) 2009 The NetBSD Foundation, Inc. All rights reserved.");
__RCSID("$NetBSD: compress.c,v 1.17 2010/08/15 16:10:56 agc Exp $");
__RCSID("$NetBSD: compress.c,v 1.18 2010/10/31 18:31:03 agc Exp $");
#endif
#ifdef HAVE_ZLIB_H
@ -89,6 +89,7 @@ typedef struct {
int inflate_ret;
} z_decompress_t;
#ifdef HAVE_BZLIB_H
typedef struct {
__ops_compression_type_t type;
__ops_region_t *region;
@ -98,6 +99,7 @@ typedef struct {
size_t offset;
int inflate_ret;
} bz_decompress_t;
#endif
typedef struct {
z_stream stream;
@ -202,6 +204,7 @@ zlib_compressed_data_reader(void *dest, size_t length,
return (int)length;
}
#ifdef HAVE_BZLIB_H
/* \todo remove code duplication between this and zlib_compressed_data_reader */
static int
bzip2_compressed_data_reader(void *dest, size_t length,
@ -285,6 +288,7 @@ bzip2_compressed_data_reader(void *dest, size_t length,
return (int)length;
}
#endif
/**
* \ingroup Core_Compress
@ -299,7 +303,9 @@ __ops_decompress(__ops_region_t *region, __ops_stream_t *stream,
__ops_compression_type_t type)
{
z_decompress_t z;
#ifdef HAVE_BZLIB_H
bz_decompress_t bz;
#endif
const int printerrors = 1;
int ret;
@ -321,6 +327,7 @@ __ops_decompress(__ops_region_t *region, __ops_stream_t *stream,
break;
#ifdef HAVE_BZLIB_H
case OPS_C_BZIP2:
(void) memset(&bz, 0x0, sizeof(bz));
@ -334,6 +341,7 @@ __ops_decompress(__ops_region_t *region, __ops_stream_t *stream,
bz.bzstream.bzalloc = NULL;
bz.bzstream.bzfree = NULL;
bz.bzstream.opaque = NULL;
#endif
break;
@ -355,9 +363,11 @@ __ops_decompress(__ops_region_t *region, __ops_stream_t *stream,
ret = (int)inflateInit(&z.zstream);
break;
#ifdef HAVE_BZLIB_H
case OPS_C_BZIP2:
ret = BZ2_bzDecompressInit(&bz.bzstream, 1, 0);
break;
#endif
default:
OPS_ERROR_1(&stream->errors,
@ -379,6 +389,7 @@ __ops_decompress(__ops_region_t *region, __ops_stream_t *stream,
NULL, &z);
break;
#ifdef HAVE_BZLIB_H
case OPS_C_BZIP2:
if (ret != BZ_OK) {
OPS_ERROR_1(&stream->errors,
@ -389,6 +400,7 @@ __ops_decompress(__ops_region_t *region, __ops_stream_t *stream,
__ops_reader_push(stream, bzip2_compressed_data_reader,
NULL, &bz);
break;
#endif
default:
OPS_ERROR_1(&stream->errors,