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path = xvfs_absolutePath(path);
pathStr = xvfs_relativePath(path, instanceInfo);
retval = instanceInfo->fsInfo->getStatProc(pathStr, statBuf);
if (retval < 0) {
XVFS_DEBUG_PRINTF("... failed: %s", xvfs_perror(retval));
retval = -1;
} else {
XVFS_DEBUG_PUTS("... ok");
}
Tcl_DecrRefCount(path);
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>
>
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path = xvfs_absolutePath(path);
pathStr = xvfs_relativePath(path, instanceInfo);
retval = instanceInfo->fsInfo->getStatProc(pathStr, statBuf);
if (retval < 0) {
XVFS_DEBUG_PRINTF("... failed: %s", xvfs_perror(retval));
Tcl_SetErrno(xvfs_errorToErrno(retval));
retval = -1;
} else {
XVFS_DEBUG_PUTS("... ok");
}
Tcl_DecrRefCount(path);
|
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#if defined(XVFS_MODE_FLEXIBLE)
static int xvfs_flexible_register(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo) {
ClientData fsHandlerDataRaw;
struct xvfs_tclfs_server_info *fsHandlerData;
const Tcl_Filesystem *fsHandler;
int (*xvfs_register)(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo);
Tcl_Obj *rootPathObj;
xvfs_register = &xvfs_standalone_register;
rootPathObj = Tcl_NewStringObj(XVFS_ROOT_MOUNTPOINT, -1);
if (!rootPathObj) {
return(xvfs_register(interp, fsInfo));
}
Tcl_IncrRefCount(rootPathObj);
fsHandler = Tcl_FSGetFileSystemForPath(rootPathObj);
Tcl_DecrRefCount(rootPathObj);
if (!fsHandler) {
return(xvfs_register(interp, fsInfo));
}
fsHandlerDataRaw = Tcl_FSData(fsHandler);
if (!fsHandlerDataRaw) {
return(xvfs_register(interp, fsInfo));
}
fsHandlerData = (struct xvfs_tclfs_server_info *) fsHandlerDataRaw;
/*
* XXX:TODO: What is the chance that the handler for //xvfs:/ hold
* client data smaller than XVFS_INTERNAL_SERVER_MAGIC_LEN ?
*/
if (memcmp(fsHandlerData->magic, XVFS_INTERNAL_SERVER_MAGIC, sizeof(fsHandlerData->magic)) == 0) {
xvfs_register = fsHandlerData->registerProc;
}
return(xvfs_register(interp, fsInfo));
}
#endif /* XVFS_MODE_FLEXIBLE */
#if defined(XVFS_MODE_SERVER)
static Tcl_Filesystem xvfs_tclfs_dispatch_fs;
static Tcl_HashTable xvfs_tclfs_dispatch_map;
static struct xvfs_tclfs_instance_info *xvfs_tclfs_dispatch_pathToInstanceInfo(Tcl_Obj *path) {
Tcl_HashEntry *mapEntry;
struct xvfs_tclfs_instance_info *retval;
const char *pathStr, *rootStr;
char *fsName, *fsNameEnds, origSep;
int pathLen, rootLen;
XVFS_DEBUG_ENTER;
XVFS_DEBUG_PRINTF("Looking up path \"%s\" ...", Tcl_GetString(path));
rootStr = XVFS_ROOT_MOUNTPOINT;
rootLen = strlen(XVFS_ROOT_MOUNTPOINT);
pathStr = Tcl_GetStringFromObj(path, &pathLen);
if (pathLen < rootLen) {
XVFS_DEBUG_PUTS("... failed (length too short)");
XVFS_DEBUG_LEAVE;
return(NULL);
}
if (memcmp(pathStr, rootStr, rootLen) != 0) {
XVFS_DEBUG_PUTS("... failed (incorrect prefix)");
XVFS_DEBUG_LEAVE;
return(NULL);
}
fsName = ((char *) pathStr) + rootLen;
fsNameEnds = strchr(fsName, '/');
if (fsNameEnds) {
origSep = *fsNameEnds;
*fsNameEnds = '\0';
|
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|
#if defined(XVFS_MODE_FLEXIBLE)
static int xvfs_flexible_register(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo) {
ClientData fsHandlerDataRaw;
struct xvfs_tclfs_server_info *fsHandlerData;
const Tcl_Filesystem *fsHandler;
int (*xvfs_register)(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo);
Tcl_Obj *rootPathObj;
XVFS_DEBUG_ENTER;
xvfs_register = &xvfs_standalone_register;
rootPathObj = Tcl_NewStringObj(XVFS_ROOT_MOUNTPOINT, -1);
if (!rootPathObj) {
XVFS_DEBUG_LEAVE;
return(xvfs_register(interp, fsInfo));
}
Tcl_IncrRefCount(rootPathObj);
fsHandler = Tcl_FSGetFileSystemForPath(rootPathObj);
Tcl_DecrRefCount(rootPathObj);
if (!fsHandler) {
XVFS_DEBUG_LEAVE;
return(xvfs_register(interp, fsInfo));
}
fsHandlerDataRaw = Tcl_FSData(fsHandler);
if (!fsHandlerDataRaw) {
XVFS_DEBUG_LEAVE;
return(xvfs_register(interp, fsInfo));
}
fsHandlerData = (struct xvfs_tclfs_server_info *) fsHandlerDataRaw;
/*
* XXX:TODO: What is the chance that the handler for //xvfs:/ hold
* client data smaller than XVFS_INTERNAL_SERVER_MAGIC_LEN ?
*/
if (memcmp(fsHandlerData->magic, XVFS_INTERNAL_SERVER_MAGIC, sizeof(fsHandlerData->magic)) == 0) {
XVFS_DEBUG_PUTS("Found a server handler");
xvfs_register = fsHandlerData->registerProc;
}
XVFS_DEBUG_LEAVE;
return(xvfs_register(interp, fsInfo));
}
#endif /* XVFS_MODE_FLEXIBLE */
#if defined(XVFS_MODE_SERVER)
static Tcl_Filesystem xvfs_tclfs_dispatch_fs;
static Tcl_HashTable xvfs_tclfs_dispatch_map;
static struct xvfs_tclfs_server_info xvfs_tclfs_dispatch_fsdata;
static int xvfs_tclfs_dispatch_pathInFilesystem(Tcl_Obj *path, ClientData *dataPtr) {
const char *pathStr, *rootStr;
int pathLen, rootLen;
XVFS_DEBUG_ENTER;
XVFS_DEBUG_PRINTF("Verifying that \"%s\" belongs in XVFS ...", Tcl_GetString(path));
rootStr = XVFS_ROOT_MOUNTPOINT;
rootLen = strlen(XVFS_ROOT_MOUNTPOINT);
pathStr = Tcl_GetStringFromObj(path, &pathLen);
if (pathLen < rootLen) {
XVFS_DEBUG_PUTS("... failed (length too short)");
XVFS_DEBUG_LEAVE;
return(-1);
}
if (memcmp(pathStr, rootStr, rootLen) != 0) {
XVFS_DEBUG_PUTS("... failed (incorrect prefix)");
XVFS_DEBUG_LEAVE;
return(-1);
}
XVFS_DEBUG_PUTS("... yes");
XVFS_DEBUG_LEAVE;
return(TCL_OK);
}
static struct xvfs_tclfs_instance_info *xvfs_tclfs_dispatch_pathToInfo(Tcl_Obj *path) {
Tcl_HashEntry *mapEntry;
struct xvfs_tclfs_instance_info *retval;
int rootLen;
char *pathStr, *fsName, *fsNameEnds, origSep;
XVFS_DEBUG_ENTER;
if (xvfs_tclfs_dispatch_pathInFilesystem(path, NULL) != TCL_OK) {
XVFS_DEBUG_LEAVE;
return(NULL);
}
rootLen = strlen(XVFS_ROOT_MOUNTPOINT);
pathStr = Tcl_GetString(path);
fsName = ((char *) pathStr) + rootLen;
fsNameEnds = strchr(fsName, '/');
if (fsNameEnds) {
origSep = *fsNameEnds;
*fsNameEnds = '\0';
|
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|
XVFS_DEBUG_PUTS("... found no registered filesystem.");
}
XVFS_DEBUG_LEAVE;
return(retval);
}
static int xvfs_tclfs_dispatch_pathInFilesystem(Tcl_Obj *path, ClientData *dataPtr) {
static struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInstanceInfo(path);
if (!instanceInfo) {
return(-1);
}
return(xvfs_tclfs_pathInFilesystem(path, dataPtr, instanceInfo));
}
static int xvfs_tclfs_dispatch_stat(Tcl_Obj *path, Tcl_StatBuf *statBuf) {
struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInstanceInfo(path);
if (!instanceInfo) {
return(0);
}
return(xvfs_tclfs_stat(path, statBuf, instanceInfo));
}
static int xvfs_tclfs_dispatch_access(Tcl_Obj *path, int mode) {
struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInstanceInfo(path);
if (!instanceInfo) {
return(-1);
}
return(xvfs_tclfs_access(path, mode, instanceInfo));
}
static Tcl_Channel xvfs_tclfs_dispatch_openFileChannel(Tcl_Interp *interp, Tcl_Obj *path, int mode, int permissions) {
struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInstanceInfo(path);
if (!instanceInfo) {
return(NULL);
}
return(xvfs_tclfs_openFileChannel(interp, path, mode, permissions, instanceInfo));
}
static int xvfs_tclfs_dispatch_matchInDir(Tcl_Interp *interp, Tcl_Obj *resultPtr, Tcl_Obj *pathPtr, const char *pattern, Tcl_GlobTypeData *types) {
struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInstanceInfo(pathPtr);
if (!instanceInfo) {
return(TCL_ERROR);
}
return(xvfs_tclfs_matchInDir(interp, resultPtr, pathPtr, pattern, types, instanceInfo));
}
static int xvfs_tclfs_dispatch_init(Tcl_Interp *interp) {
static int registered = 0;
int tclRet;
/* XXX:TODO: Make this thread-safe */
if (registered) {
return(TCL_OK);
}
|
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<
<
<
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|
>
>
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|
1061
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1121
|
XVFS_DEBUG_PUTS("... found no registered filesystem.");
}
XVFS_DEBUG_LEAVE;
return(retval);
}
static int xvfs_tclfs_dispatch_stat(Tcl_Obj *path, Tcl_StatBuf *statBuf) {
struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInfo(path);
if (!instanceInfo) {
Tcl_SetErrno(xvfs_errorToErrno(XVFS_RV_ERR_ENOENT));
return(-1);
}
return(xvfs_tclfs_stat(path, statBuf, instanceInfo));
}
static int xvfs_tclfs_dispatch_access(Tcl_Obj *path, int mode) {
struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInfo(path);
if (!instanceInfo) {
return(-1);
}
return(xvfs_tclfs_access(path, mode, instanceInfo));
}
static Tcl_Channel xvfs_tclfs_dispatch_openFileChannel(Tcl_Interp *interp, Tcl_Obj *path, int mode, int permissions) {
struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInfo(path);
if (!instanceInfo) {
return(NULL);
}
return(xvfs_tclfs_openFileChannel(interp, path, mode, permissions, instanceInfo));
}
static int xvfs_tclfs_dispatch_matchInDir(Tcl_Interp *interp, Tcl_Obj *resultPtr, Tcl_Obj *pathPtr, const char *pattern, Tcl_GlobTypeData *types) {
struct xvfs_tclfs_instance_info *instanceInfo;
instanceInfo = xvfs_tclfs_dispatch_pathToInfo(pathPtr);
if (!instanceInfo) {
return(TCL_ERROR);
}
return(xvfs_tclfs_matchInDir(interp, resultPtr, pathPtr, pattern, types, instanceInfo));
}
int Xvfs_Init(Tcl_Interp *interp) {
static int registered = 0;
int tclRet;
/* XXX:TODO: Make this thread-safe */
if (registered) {
return(TCL_OK);
}
|
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1127
1128
1129
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1131
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1133
1134
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1136
|
xvfs_tclfs_dispatch_fs.renameFileProc = NULL;
xvfs_tclfs_dispatch_fs.copyDirectoryProc = NULL;
xvfs_tclfs_dispatch_fs.lstatProc = NULL;
xvfs_tclfs_dispatch_fs.loadFileProc = NULL;
xvfs_tclfs_dispatch_fs.getCwdProc = NULL;
xvfs_tclfs_dispatch_fs.chdirProc = NULL;
tclRet = Tcl_FSRegister(NULL, &xvfs_tclfs_dispatch_fs);
if (tclRet != TCL_OK) {
if (interp) {
Tcl_SetResult(interp, "Tcl_FSRegister() failed", NULL);
}
return(tclRet);
}
|
>
|
>
>
|
1149
1150
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1161
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1166
|
xvfs_tclfs_dispatch_fs.renameFileProc = NULL;
xvfs_tclfs_dispatch_fs.copyDirectoryProc = NULL;
xvfs_tclfs_dispatch_fs.lstatProc = NULL;
xvfs_tclfs_dispatch_fs.loadFileProc = NULL;
xvfs_tclfs_dispatch_fs.getCwdProc = NULL;
xvfs_tclfs_dispatch_fs.chdirProc = NULL;
memcpy(xvfs_tclfs_dispatch_fsdata.magic, XVFS_INTERNAL_SERVER_MAGIC, XVFS_INTERNAL_SERVER_MAGIC_LEN);
xvfs_tclfs_dispatch_fsdata.registerProc = Xvfs_Register;
tclRet = Tcl_FSRegister((ClientData) &xvfs_tclfs_dispatch_fsdata, &xvfs_tclfs_dispatch_fs);
if (tclRet != TCL_OK) {
if (interp) {
Tcl_SetResult(interp, "Tcl_FSRegister() failed", NULL);
}
return(tclRet);
}
|
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|
int Xvfs_Register(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo) {
Tcl_HashEntry *mapEntry;
struct xvfs_tclfs_instance_info *instanceInfo;
int dispatchInitRet;
int new;
dispatchInitRet = xvfs_tclfs_dispatch_init(interp);
if (dispatchInitRet != TCL_OK) {
return(dispatchInitRet);
}
/*
* Verify this is for a protocol we support
*/
|
|
|
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1186
1187
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|
int Xvfs_Register(Tcl_Interp *interp, struct Xvfs_FSInfo *fsInfo) {
Tcl_HashEntry *mapEntry;
struct xvfs_tclfs_instance_info *instanceInfo;
int dispatchInitRet;
int new;
dispatchInitRet = Xvfs_Init(interp);
if (dispatchInitRet != TCL_OK) {
return(dispatchInitRet);
}
/*
* Verify this is for a protocol we support
*/
|