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author | stanton <stanton> | 1999-04-16 00:46:29 (GMT) |
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committer | stanton <stanton> | 1999-04-16 00:46:29 (GMT) |
commit | 97464e6cba8eb0008cf2727c15718671992b913f (patch) | |
tree | ce9959f2747257d98d52ec8d18bf3b0de99b9535 /unix/tclUnixPipe.c | |
parent | a8c96ddb94d1483a9de5e340b740cb74ef6cafa7 (diff) | |
download | tcl-97464e6cba8eb0008cf2727c15718671992b913f.zip tcl-97464e6cba8eb0008cf2727c15718671992b913f.tar.gz tcl-97464e6cba8eb0008cf2727c15718671992b913f.tar.bz2 |
merged tcl 8.1 branch back into the main trunk
Diffstat (limited to 'unix/tclUnixPipe.c')
-rw-r--r-- | unix/tclUnixPipe.c | 103 |
1 files changed, 56 insertions, 47 deletions
diff --git a/unix/tclUnixPipe.c b/unix/tclUnixPipe.c index 871830c..b78715c 100644 --- a/unix/tclUnixPipe.c +++ b/unix/tclUnixPipe.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclUnixPipe.c,v 1.2 1998/09/14 18:40:17 stanton Exp $ + * RCS: @(#) $Id: tclUnixPipe.c,v 1.3 1999/04/16 00:48:05 stanton Exp $ */ #include "tclInt.h" @@ -128,12 +128,16 @@ TclpMakeFile(channel, direction) TclFile TclpOpenFile(fname, mode) - char *fname; /* The name of the file to open. */ - int mode; /* In what mode to open the file? */ + CONST char *fname; /* The name of the file to open. */ + int mode; /* In what mode to open the file? */ { int fd; + char *native; + Tcl_DString ds; - fd = open(fname, mode, 0666); + native = Tcl_UtfToExternalDString(NULL, fname, -1, &ds); + fd = open(native, mode, 0666); /* INTL: Native. */ + Tcl_DStringFree(&ds); if (fd != -1) { fcntl(fd, F_SETFD, FD_CLOEXEC); @@ -175,36 +179,28 @@ TclpOpenFile(fname, mode) */ TclFile -TclpCreateTempFile(contents, namePtr) - char *contents; /* String to write into temp file, or NULL. */ - Tcl_DString *namePtr; /* If non-NULL, pointer to initialized - * DString that is filled with the name of - * the temp file that was created. */ +TclpCreateTempFile(contents) + CONST char *contents; /* String to write into temp file, or NULL. */ { char fileName[L_tmpnam]; - TclFile file; - size_t length = (contents == NULL) ? 0 : strlen(contents); - - tmpnam(fileName); - file = TclpOpenFile(fileName, O_RDWR|O_CREAT|O_TRUNC); - unlink(fileName); - - if ((file != NULL) && (length > 0)) { - int fd = GetFd(file); - while (1) { - if (write(fd, contents, length) != -1) { - break; - } else if (errno != EINTR) { - close(fd); - return NULL; - } + int fd; + + tmpnam(fileName); /* INTL: Native. */ + fd = open(fileName, O_RDWR|O_CREAT|O_TRUNC, 0666); /* INTL: Native. */ + if (fd == -1) { + return NULL; + } + fcntl(fd, F_SETFD, FD_CLOEXEC); + unlink(fileName); /* INTL: Native. */ + + if (contents != NULL) { + if (write(fd, contents, strlen(contents)) == -1) { + close(fd); + return NULL; } lseek(fd, 0, SEEK_SET); } - if (namePtr != NULL) { - Tcl_DStringAppend(namePtr, fileName, -1); - } - return file; + return MakeFile(fd); } /* @@ -279,7 +275,7 @@ TclpCloseFile(file) } /* - *---------------------------------------------------------------------- + *--------------------------------------------------------------------------- * * TclpCreateProcess -- * @@ -292,14 +288,14 @@ TclpCloseFile(file) * * Results: * The return value is TCL_ERROR and an error message is left in - * interp->result if there was a problem creating the child + * the interp's result if there was a problem creating the child * process. Otherwise, the return value is TCL_OK and *pidPtr is * filled with the process id of the child process. * * Side effects: * A process is created. * - *---------------------------------------------------------------------- + *--------------------------------------------------------------------------- */ /* ARGSUSED */ @@ -311,11 +307,11 @@ TclpCreateProcess(interp, argc, argv, inputFile, outputFile, errorFile, * Error messages from the child process * itself are sent to errorFile. */ int argc; /* Number of arguments in following array. */ - char **argv; /* Array of argument strings. argv[0] - * contains the name of the executable - * converted to native format (using the - * Tcl_TranslateFileName call). Additional - * arguments have not been converted. */ + char **argv; /* Array of argument strings in UTF-8. + * argv[0] contains the name of the executable + * translated using Tcl_TranslateFileName + * call). Additional arguments have not been + * converted. */ TclFile inputFile; /* If non-NULL, gives the file to use as * input for the child process. If inputFile * file is not readable or is NULL, the child @@ -336,7 +332,7 @@ TclpCreateProcess(interp, argc, argv, inputFile, outputFile, errorFile, { TclFile errPipeIn, errPipeOut; int joinThisError, count, status, fd; - char errSpace[200]; + char errSpace[200 + TCL_INTEGER_SPACE]; int pid; errPipeIn = NULL; @@ -357,6 +353,10 @@ TclpCreateProcess(interp, argc, argv, inputFile, outputFile, errorFile, joinThisError = (errorFile == outputFile); pid = vfork(); if (pid == 0) { + Tcl_DString *dsArray; + char *oldArgv0; + int i; + fd = GetFd(errPipeOut); /* @@ -381,9 +381,19 @@ TclpCreateProcess(interp, argc, argv, inputFile, outputFile, errorFile, */ RestoreSignals(); - execvp(argv[0], &argv[0]); + for (i = 0; argv[i] != NULL; i++) { + /* + * How many arguments? + */ + } + oldArgv0 = argv[0]; + dsArray = (Tcl_DString *) ckalloc(i * sizeof(Tcl_DString)); + for (i = 0; argv[i] != NULL; i++) { + argv[i] = Tcl_UtfToExternalDString(NULL, argv[i], -1, &dsArray[i]); + } + execvp(argv[0], argv); /* INTL: Native. */ sprintf(errSpace, "%dcouldn't execute \"%.150s\": ", errno, - argv[0]); + oldArgv0); write(fd, errSpace, (size_t) strlen(errSpace)); _exit(1); } @@ -621,7 +631,7 @@ TclpCreateCommandChannel(readFile, writeFile, errorFile, numPids, pidPtr) * the channel is closed or the processes * are detached (in a background exec). */ { - char channelName[20]; + char channelName[16 + TCL_INTEGER_SPACE]; int channelId; PipeState *statePtr = (PipeState *) ckalloc((unsigned) sizeof(PipeState)); int mode; @@ -676,13 +686,13 @@ TclpCreateCommandChannel(readFile, writeFile, errorFile, numPids, pidPtr) * This procedure is invoked in the generic implementation of a * background "exec" (An exec when invoked with a terminating "&") * to store a list of the PIDs for processes in a command pipeline - * in interp->result and to detach the processes. + * in the interp's result and to detach the processes. * * Results: * None. * * Side effects: - * Modifies interp->result. Detaches processes. + * Modifies the interp's result. Detaches processes. * *---------------------------------------------------------------------- */ @@ -695,7 +705,7 @@ TclGetAndDetachPids(interp, chan) PipeState *pipePtr; Tcl_ChannelType *chanTypePtr; int i; - char buf[20]; + char buf[TCL_INTEGER_SPACE]; /* * Punt if the channel is not a command channel. @@ -708,7 +718,7 @@ TclGetAndDetachPids(interp, chan) pipePtr = (PipeState *) Tcl_GetChannelInstanceData(chan); for (i = 0; i < pipePtr->numPids; i++) { - sprintf(buf, "%ld", TclpGetPid(pipePtr->pidPtr[i])); + TclFormatInt(buf, (long) TclpGetPid(pipePtr->pidPtr[i])); Tcl_AppendElement(interp, buf); Tcl_DetachPids(1, &(pipePtr->pidPtr[i])); } @@ -1129,8 +1139,7 @@ Tcl_PidObjCmd(dummy, interp, objc, objv) if (objc == 1) { Tcl_SetLongObj(Tcl_GetObjResult(interp), (long) getpid()); } else { - chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], NULL), - NULL); + chan = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), NULL); if (chan == (Tcl_Channel) NULL) { return TCL_ERROR; } |