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authornijtmans <nijtmans>2010-06-21 11:25:26 (GMT)
committernijtmans <nijtmans>2010-06-21 11:25:26 (GMT)
commite90ef1de476ad650bf675de7dafabe11a399e22f (patch)
tree132681cdc2c2a43992240edc9f81808513b9382d /generic/tclZlib.c
parent7904f2c09aac76e42beaba3829d4e0bc702b5828 (diff)
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Remove hack needed for zlib 1.2.3 on win32
Diffstat (limited to 'generic/tclZlib.c')
-rw-r--r--generic/tclZlib.c131
1 files changed, 28 insertions, 103 deletions
diff --git a/generic/tclZlib.c b/generic/tclZlib.c
index ea9c996..8937648 100644
--- a/generic/tclZlib.c
+++ b/generic/tclZlib.c
@@ -13,23 +13,11 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclZlib.c,v 1.37 2010/03/30 14:16:11 nijtmans Exp $
+ * RCS: @(#) $Id: tclZlib.c,v 1.38 2010/06/21 11:25:26 nijtmans Exp $
*/
#include "tclInt.h"
#ifdef HAVE_ZLIB
-#ifdef _WIN32
-# ifndef STATIC_BUILD
-/*
- * HACK needed for zlib1.dll version 1.2.3 on Win32. See comment below. As
- * soon as zlib 1.2.4 is reasonable mainstream, remove this hack!
- */
-# include "../compat/zlib/zutil.h"
-# include "../compat/zlib/inftrees.h"
-# include "../compat/zlib/deflate.h"
-# include "../compat/zlib/inflate.h"
-# endif /* !STATIC_BUILD */
-#endif /* _WIN32 */
#include <zlib.h>
/*
@@ -136,41 +124,30 @@ typedef struct {
* Prototypes for private procedures defined later in this file:
*/
-static int ZlibTransformClose(ClientData instanceData,
- Tcl_Interp *interp);
-static int ZlibTransformInput(ClientData instanceData, char *buf,
- int toRead, int *errorCodePtr);
-static int ZlibTransformOutput(ClientData instanceData,
- const char *buf, int toWrite, int*errorCodePtr);
-static int ZlibTransformSetOption(ClientData instanceData,
- Tcl_Interp *interp, const char *optionName,
- const char *value);
-static int ZlibTransformGetOption(ClientData instanceData,
- Tcl_Interp *interp, const char *optionName,
- Tcl_DString *dsPtr);
-static void ZlibTransformWatch(ClientData instanceData, int mask);
-static int ZlibTransformGetHandle(ClientData instanceData,
- int direction, ClientData *handlePtr);
-static int ZlibTransformBlockMode(ClientData instanceData,
- int mode);
-static int ZlibTransformHandler(ClientData instanceData,
- int interestMask);
-static void ZlibTransformTimerSetup(ZlibChannelData *cd);
-static void ZlibTransformTimerKill(ZlibChannelData *cd);
-static void ZlibTransformTimerRun(ClientData clientData);
-static void ConvertError(Tcl_Interp *interp, int code);
-static void ExtractHeader(gz_header *headerPtr, Tcl_Obj *dictObj);
-static int GenerateHeader(Tcl_Interp *interp, Tcl_Obj *dictObj,
- GzipHeader *headerPtr, int *extraSizePtr);
-static int TclZlibCmd(ClientData dummy, Tcl_Interp *ip, int objc,
- Tcl_Obj *const objv[]);
-static int ZlibStreamCmd(ClientData cd, Tcl_Interp *interp,
- int objc, Tcl_Obj *const objv[]);
-static void ZlibStreamCmdDelete(ClientData cd);
-static void ZlibStreamCleanup(ZlibStreamHandle *zshPtr);
-static Tcl_Channel ZlibStackChannelTransform(Tcl_Interp *interp,
- int mode, int format, int level,
- Tcl_Channel channel, Tcl_Obj *gzipHeaderDictPtr);
+static Tcl_CmdDeleteProc ZlibStreamCmdDelete;
+static Tcl_DriverBlockModeProc ZlibTransformBlockMode;
+static Tcl_DriverCloseProc ZlibTransformClose;
+static Tcl_DriverGetHandleProc ZlibTransformGetHandle;
+static Tcl_DriverGetOptionProc ZlibTransformGetOption;
+static Tcl_DriverHandlerProc ZlibTransformHandler;
+static Tcl_DriverInputProc ZlibTransformInput;
+static Tcl_DriverOutputProc ZlibTransformOutput;
+static Tcl_DriverSetOptionProc ZlibTransformSetOption;
+static Tcl_DriverWatchProc ZlibTransformWatch;
+static Tcl_ObjCmdProc ZlibCmd;
+static Tcl_ObjCmdProc ZlibStreamCmd;
+
+static void ConvertError(Tcl_Interp *interp, int code);
+static void ExtractHeader(gz_header *headerPtr, Tcl_Obj *dictObj);
+static int GenerateHeader(Tcl_Interp *interp, Tcl_Obj *dictObj,
+ GzipHeader *headerPtr, int *extraSizePtr);
+static Tcl_Channel ZlibStackChannelTransform(Tcl_Interp *interp,
+ int mode, int format, int level,
+ Tcl_Channel channel, Tcl_Obj *gzipHeaderDictPtr);
+static void ZlibStreamCleanup(ZlibStreamHandle *zshPtr);
+static void ZlibTransformTimerKill(ZlibChannelData *cd);
+static void ZlibTransformTimerRun(ClientData clientData);
+static void ZlibTransformTimerSetup(ZlibChannelData *cd);
/*
* Type of zlib-based compressing and decompressing channels.
@@ -197,58 +174,6 @@ static const Tcl_ChannelType zlibChannelType = {
};
/*
- * zlib 1.2.3 on Windows has a bug that the functions deflateSetHeader and
- * inflateGetHeader are not exported from the dll. Hopefully, this bug will be
- * fixed in zlib 1.2.4 and higher. It is already reported to the zlib people.
- * The functions deflateSetHeader and inflateGetHeader here are just copied
- * from the zlib 1.2.3 source. This is dangerous, but works. In practice, the
- * only fields used from the internal state are "wrap" and "head", which are
- * rather at the beginning of the structure. As long as the offsets of those
- * fields don't change, this code will continue to work.
- */
-
-#if defined(_WIN32) && !defined(STATIC_BUILD)
-#define deflateSetHeader dsetheader
-#define inflateGetHeader igetheader
-
-static int
-deflateSetHeader(
- z_streamp strm,
- gz_headerp head)
-{
- struct internal_state *state;
-
- if (strm == Z_NULL) {
- return Z_STREAM_ERROR;
- }
- state = (struct internal_state *) strm->state;
- if ((state == Z_NULL) || (state->wrap != 2)) {
- return Z_STREAM_ERROR;
- }
- state->gzhead = head;
- return Z_OK;
-}
-
-static int inflateGetHeader(
- z_streamp strm,
- gz_headerp head)
-{
- struct inflate_state *state;
-
- if (strm == Z_NULL) {
- return Z_STREAM_ERROR;
- }
- state = (struct inflate_state *) strm->state;
- if ((state == Z_NULL) || ((state->wrap & 2) == 0)) {
- return Z_STREAM_ERROR;
- }
- state->head = head;
- head->done = 0;
- return Z_OK;
-}
-#endif /* _WIN32 && !STATIC_BUILD */
-
-/*
*----------------------------------------------------------------------
*
* ConvertError --
@@ -1650,7 +1575,7 @@ Tcl_ZlibAdler32(
/*
*----------------------------------------------------------------------
*
- * TclZlibCmd --
+ * ZlibCmd --
*
* Implementation of the [zlib] command.
*
@@ -1658,7 +1583,7 @@ Tcl_ZlibAdler32(
*/
static int
-TclZlibCmd(
+ZlibCmd(
ClientData notUsed,
Tcl_Interp *interp,
int objc,
@@ -2879,7 +2804,7 @@ TclZlibInit(
* Create the public scripted interface to this file's functionality.
*/
- Tcl_CreateObjCommand(interp, "zlib", TclZlibCmd, 0, 0);
+ Tcl_CreateObjCommand(interp, "zlib", ZlibCmd, 0, 0);
return TCL_OK;
}