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Comment:Switched to static allocation for the standalone Tcl_Filesystem
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SHA3-256: cb77ecfb248dd1bf85374332c1e638819d23a77bd2c203d3fc86ef5b4e9f9e4e
User & Date: rkeene on 2019-05-06 16:34:59
Other Links: manifest | tags
Context
2019-05-08
16:26
Use Tcl filesystem data to pass around a pointer to the central register proc check-in: 9bcf758fef user: rkeene tags: trunk
2019-05-06
16:34
Switched to static allocation for the standalone Tcl_Filesystem check-in: cb77ecfb24 user: rkeene tags: trunk
16:30
Updated ignores check-in: 0309511136 user: rkeene tags: trunk
Changes
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Modified xvfs-core.c from [adae00d4d2] to [5b94c341c4].

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 *                 then dispatches to the appropriate registered
 *                 handler
 *    3. flexible -- Attempts to find a core Xvfs instance for the
 *                   process at runtime, if found do #2, otherwise
 *                   fallback to #1
 *
 */
static Tcl_Filesystem xvfs_tclfs_standalone_fs;
int xvfs_standalone_register(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo) {
	Tcl_Filesystem *xvfs_tclfs_Info;
	int tcl_ret;
	static int registered = 0;
	
	/*
	 * Ensure this instance is not already registered
	 */
	if (registered) {
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	if (fsInfo->protocolVersion != XVFS_PROTOCOL_VERSION) {
		if (interp) {
			Tcl_SetResult(interp, "Protocol mismatch", NULL);
		}
		return(TCL_ERROR);
	}
	
	xvfs_tclfs_Info = (Tcl_Filesystem *) Tcl_AttemptAlloc(sizeof(*xvfs_tclfs_Info));
	if (!xvfs_tclfs_Info) {
		if (interp) {
			Tcl_SetResult(interp, "Unable to allocate Tcl_Filesystem object", NULL);
		}
		return(TCL_ERROR);
	}
	
	xvfs_tclfs_Info->typeName                   = "xvfs";
	xvfs_tclfs_Info->structureLength            = sizeof(*xvfs_tclfs_Info);
	xvfs_tclfs_Info->version                    = TCL_FILESYSTEM_VERSION_1;
	xvfs_tclfs_Info->pathInFilesystemProc       = xvfs_tclfs_standalone_pathInFilesystem;
	xvfs_tclfs_Info->dupInternalRepProc         = NULL;
	xvfs_tclfs_Info->freeInternalRepProc        = NULL;
	xvfs_tclfs_Info->internalToNormalizedProc   = NULL;
	xvfs_tclfs_Info->createInternalRepProc      = NULL;
	xvfs_tclfs_Info->normalizePathProc          = NULL;
	xvfs_tclfs_Info->filesystemPathTypeProc     = NULL;
	xvfs_tclfs_Info->filesystemSeparatorProc    = NULL;
	xvfs_tclfs_Info->statProc                   = xvfs_tclfs_standalone_stat;
	xvfs_tclfs_Info->accessProc                 = NULL;
	xvfs_tclfs_Info->openFileChannelProc        = xvfs_tclfs_standalone_openFileChannel;
	xvfs_tclfs_Info->matchInDirectoryProc       = NULL;
	xvfs_tclfs_Info->utimeProc                  = NULL;
	xvfs_tclfs_Info->linkProc                   = NULL;
	xvfs_tclfs_Info->listVolumesProc            = xvfs_tclfs_standalone_listVolumes;
	xvfs_tclfs_Info->fileAttrStringsProc        = NULL;
	xvfs_tclfs_Info->fileAttrsGetProc           = NULL;
	xvfs_tclfs_Info->fileAttrsSetProc           = NULL;
	xvfs_tclfs_Info->createDirectoryProc        = NULL;
	xvfs_tclfs_Info->removeDirectoryProc        = NULL;
	xvfs_tclfs_Info->deleteFileProc             = NULL;
	xvfs_tclfs_Info->copyFileProc               = NULL;
	xvfs_tclfs_Info->renameFileProc             = NULL;
	xvfs_tclfs_Info->copyDirectoryProc          = NULL;
	xvfs_tclfs_Info->lstatProc                  = NULL;
	xvfs_tclfs_Info->loadFileProc               = NULL;
	xvfs_tclfs_Info->getCwdProc                 = NULL;
	xvfs_tclfs_Info->chdirProc                  = NULL;
	xvfs_tclfs_standalone_fs.typeName                   = "xvfs";
	xvfs_tclfs_standalone_fs.structureLength            = sizeof(xvfs_tclfs_standalone_fs);
	xvfs_tclfs_standalone_fs.version                    = TCL_FILESYSTEM_VERSION_1;
	xvfs_tclfs_standalone_fs.pathInFilesystemProc       = xvfs_tclfs_standalone_pathInFilesystem;
	xvfs_tclfs_standalone_fs.dupInternalRepProc         = NULL;
	xvfs_tclfs_standalone_fs.freeInternalRepProc        = NULL;
	xvfs_tclfs_standalone_fs.internalToNormalizedProc   = NULL;
	xvfs_tclfs_standalone_fs.createInternalRepProc      = NULL;
	xvfs_tclfs_standalone_fs.normalizePathProc          = NULL;
	xvfs_tclfs_standalone_fs.filesystemPathTypeProc     = NULL;
	xvfs_tclfs_standalone_fs.filesystemSeparatorProc    = NULL;
	xvfs_tclfs_standalone_fs.statProc                   = xvfs_tclfs_standalone_stat;
	xvfs_tclfs_standalone_fs.accessProc                 = NULL;
	xvfs_tclfs_standalone_fs.openFileChannelProc        = xvfs_tclfs_standalone_openFileChannel;
	xvfs_tclfs_standalone_fs.matchInDirectoryProc       = NULL;
	xvfs_tclfs_standalone_fs.utimeProc                  = NULL;
	xvfs_tclfs_standalone_fs.linkProc                   = NULL;
	xvfs_tclfs_standalone_fs.listVolumesProc            = xvfs_tclfs_standalone_listVolumes;
	xvfs_tclfs_standalone_fs.fileAttrStringsProc        = NULL;
	xvfs_tclfs_standalone_fs.fileAttrsGetProc           = NULL;
	xvfs_tclfs_standalone_fs.fileAttrsSetProc           = NULL;
	xvfs_tclfs_standalone_fs.createDirectoryProc        = NULL;
	xvfs_tclfs_standalone_fs.removeDirectoryProc        = NULL;
	xvfs_tclfs_standalone_fs.deleteFileProc             = NULL;
	xvfs_tclfs_standalone_fs.copyFileProc               = NULL;
	xvfs_tclfs_standalone_fs.renameFileProc             = NULL;
	xvfs_tclfs_standalone_fs.copyDirectoryProc          = NULL;
	xvfs_tclfs_standalone_fs.lstatProc                  = NULL;
	xvfs_tclfs_standalone_fs.loadFileProc               = NULL;
	xvfs_tclfs_standalone_fs.getCwdProc                 = NULL;
	xvfs_tclfs_standalone_fs.chdirProc                  = NULL;

	xvfs_tclfs_standalone_info.fsInfo = fsInfo;
	xvfs_tclfs_standalone_info.mountpoint = Tcl_NewObj();
	Tcl_AppendStringsToObj(xvfs_tclfs_standalone_info.mountpoint, XVFS_ROOT_MOUNTPOINT, fsInfo->name, NULL);
	
	tcl_ret = Tcl_FSRegister(NULL, xvfs_tclfs_Info);
	tcl_ret = Tcl_FSRegister(NULL, &xvfs_tclfs_standalone_fs);
	if (tcl_ret != TCL_OK) {
		if (interp) {
			Tcl_SetResult(interp, "Tcl_FSRegister() failed", NULL);
		}
		
		return(tcl_ret);
	}
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