diff options
Diffstat (limited to 'devel/zlib/files/zutil.h')
| -rw-r--r-- | devel/zlib/files/zutil.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/devel/zlib/files/zutil.h b/devel/zlib/files/zutil.h index fa377d9956f..175b9c2d993 100644 --- a/devel/zlib/files/zutil.h +++ b/devel/zlib/files/zutil.h @@ -1,5 +1,5 @@ /* zutil.h -- internal interface and configuration of the compression library - * Copyright (C) 1995-2011 Jean-loup Gailly. + * Copyright (C) 1995-2012 Jean-loup Gailly. * For conditions of distribution and use, see copyright notice in zlib.h */ @@ -8,12 +8,12 @@ subject to change. Applications should only use zlib.h. */ -/* @(#) $Id: zutil.h,v 1.2 2012/03/19 15:47:13 adam Exp $ */ +/* @(#) $Id: zutil.h,v 1.3 2012/05/09 11:33:09 adam Exp $ */ #ifndef ZUTIL_H #define ZUTIL_H -#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ) +#ifdef HAVE_HIDDEN # define ZLIB_INTERNAL __attribute__((visibility ("hidden"))) #else # define ZLIB_INTERNAL @@ -245,4 +245,8 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) #define TRY_FREE(s, p) {if (p) ZFREE(s, p);} +/* Reverse the bytes in a 32-bit value */ +#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ + (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) + #endif /* ZUTIL_H */ |