diff options
Diffstat (limited to 'win/tclWinPipe.c')
| -rw-r--r-- | win/tclWinPipe.c | 122 |
1 files changed, 86 insertions, 36 deletions
diff --git a/win/tclWinPipe.c b/win/tclWinPipe.c index db484db..ad9e6d8 100644 --- a/win/tclWinPipe.c +++ b/win/tclWinPipe.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclWinPipe.c,v 1.67 2008/10/26 18:43:27 dkf Exp $ + * RCS: @(#) $Id: tclWinPipe.c,v 1.68 2008/11/29 18:17:20 dkf Exp $ */ #include "tclWinInt.h" @@ -1573,6 +1573,7 @@ BuildCommandLine( } else { int count; Tcl_UniChar ch; + for (start = arg; *start != '\0'; start += count) { count = Tcl_UtfToUniChar(start, &ch); if (Tcl_UniCharIsSpace(ch)) { /* INTL: ISO space. */ @@ -1673,18 +1674,18 @@ TclpCreateCommandChannel( infoPtr->writeBuf = 0; infoPtr->writeBufLen = 0; infoPtr->writeError = 0; - infoPtr->channel = (Tcl_Channel) NULL; + infoPtr->channel = NULL; /* * Use one of the fds associated with the channel as the channel id. */ if (readFile) { - channelId = (int) ((WinFile*)readFile)->handle; + channelId = (int) ((WinFile *) readFile)->handle; } else if (writeFile) { - channelId = (int) ((WinFile*)writeFile)->handle; + channelId = (int) ((WinFile *) writeFile)->handle; } else if (errorFile) { - channelId = (int) ((WinFile*)errorFile)->handle; + channelId = (int) ((WinFile *) errorFile)->handle; } else { channelId = 0; } @@ -1731,7 +1732,7 @@ TclpCreateCommandChannel( wsprintfA(channelName, "file%lx", infoPtr); infoPtr->channel = Tcl_CreateChannel(&pipeChannelType, channelName, - (ClientData) infoPtr, infoPtr->validMask); + infoPtr, infoPtr->validMask); /* * Pipes have AUTO translation mode on Windows and ^Z eof char, which @@ -1739,10 +1740,8 @@ TclpCreateCommandChannel( * Windows programs that expect a ^Z at EOF. */ - Tcl_SetChannelOption((Tcl_Interp *) NULL, infoPtr->channel, - "-translation", "auto"); - Tcl_SetChannelOption((Tcl_Interp *) NULL, infoPtr->channel, - "-eofchar", "\032 {}"); + Tcl_SetChannelOption(NULL, infoPtr->channel, "-translation", "auto"); + Tcl_SetChannelOption(NULL, infoPtr->channel, "-eofchar", "\032 {}"); return infoPtr->channel; } @@ -1754,22 +1753,18 @@ TclpCreateCommandChannel( * System dependent interface to create a pipe for the [chan pipe] * command. Stolen from TclX. * - * Parameters: - * o interp - Errors returned in result. - * o rchan, wchan - Returned read and write side. - * o flags - Reserved for future use. * Results: - * TCL_OK or TCL_ERROR. + * TCL_OK or TCL_ERROR. * *---------------------------------------------------------------------- */ + int -Tcl_CreatePipe ( - Tcl_Interp *interp, - Tcl_Channel *rchan, - Tcl_Channel *wchan, - int flags - ) +Tcl_CreatePipe( + Tcl_Interp *interp, /* Errors returned in result.*/ + Tcl_Channel *rchan, /* Where to return the read side. */ + Tcl_Channel *wchan, /* Where to return the write side. */ + int flags) /* Reserved for future use. */ { HANDLE readHandle, writeHandle; SECURITY_ATTRIBUTES sec; @@ -1778,24 +1773,21 @@ Tcl_CreatePipe ( sec.lpSecurityDescriptor = NULL; sec.bInheritHandle = FALSE; - if (!CreatePipe (&readHandle, &writeHandle, &sec, 0)) { - TclWinConvertError (GetLastError ()); - Tcl_AppendResult (interp, "pipe creation failed: ", - Tcl_PosixError (interp), (char *) NULL); - return TCL_ERROR; + if (!CreatePipe(&readHandle, &writeHandle, &sec, 0)) { + TclWinConvertError(GetLastError()); + Tcl_AppendResult(interp, "pipe creation failed: ", + Tcl_PosixError(interp), NULL); + return TCL_ERROR; } - - *rchan = Tcl_MakeFileChannel ((ClientData) readHandle, - TCL_READABLE); - Tcl_RegisterChannel (interp, *rchan); - *wchan = Tcl_MakeFileChannel ((ClientData) writeHandle, - TCL_WRITABLE); - Tcl_RegisterChannel (interp, *wchan); + *rchan = Tcl_MakeFileChannel((ClientData) readHandle, TCL_READABLE); + Tcl_RegisterChannel(interp, *rchan); + + *wchan = Tcl_MakeFileChannel((ClientData) writeHandle, TCL_WRITABLE); + Tcl_RegisterChannel(interp, *wchan); return TCL_OK; } - /* *---------------------------------------------------------------------- @@ -2100,9 +2092,8 @@ PipeClose2Proc( */ if (pipePtr->errorFile) { - WinFile *filePtr; + WinFile *filePtr = (WinFile *) pipePtr->errorFile; - filePtr = (WinFile*)pipePtr->errorFile; errChan = Tcl_MakeFileChannel((ClientData) filePtr->handle, TCL_READABLE); ckfree((char *) filePtr); @@ -3159,6 +3150,65 @@ PipeThreadActionProc( } /* + *---------------------------------------------------------------------- + * + * TclpOpenTemporaryFile -- + * + * Creates a temporary file, possibly based on the supplied bits and + * pieces of template supplied in the first three arguments. If the + * fourth argument is non-NULL, it contains a Tcl_Obj to store the name + * of the temporary file in (and it is caller's responsibility to clean + * up). If the fourth argument is NULL, try to arrange for the temporary + * file to go away once it is no longer needed. + * + * Results: + * A read-write Tcl Channel open on the file. + * + *---------------------------------------------------------------------- + */ + +Tcl_Channel +TclpOpenTemporaryFile( + Tcl_Obj *dirObj, + Tcl_Obj *basenameObj, + Tcl_Obj *extensionObj, + Tcl_Obj *resultingNameObj) +{ + WCHAR name[MAX_PATH]; + HANDLE handle; + DWORD flags = FILE_ATTRIBUTE_TEMPORARY; + + if (!resultingNameObj) { + flags |= FILE_FLAG_DELETE_ON_CLOSE; + } + + do { + if (TempFileName(name) == 0) { + TclWinConvertError(GetLastError()); + return NULL; + } + + handle = tclWinProcs->createFileProc((TCHAR *) name, + GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_NEW, flags, NULL); + } while (handle == INVALID_HANDLE_VALUE + && GetLastError() == ERROR_FILE_EXISTS); + if (handle == INVALID_HANDLE_VALUE) { + TclWinConvertError(GetLastError()); + return NULL; + } + + if (resultingNameObj) { + Tcl_Obj *tmpObj = TclpNativeToNormalized(name); + + Tcl_AppendObjToObj(resultingNameObj, tmpObj); + TclDecrRefCount(tmpObj); + } + + return Tcl_MakeFileChannel((ClientData) handle, + TCL_READABLE|TCL_WRITABLE); +} + +/* * Local Variables: * mode: c * c-basic-offset: 4 |