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| author | nijtmans <nijtmans> | 2009-12-16 23:25:59 (GMT) |
|---|---|---|
| committer | nijtmans <nijtmans> | 2009-12-16 23:25:59 (GMT) |
| commit | c09d5284e91311929d7e92c73492076e8a05cd36 (patch) | |
| tree | b7038bbc46d46d90860a433594776df4f31d744e /unix/tclUnixPipe.c | |
| parent | cf4896697457a54ad804eebeb31b63e27e41cb6c (diff) | |
| download | tcl-c09d5284e91311929d7e92c73492076e8a05cd36.zip tcl-c09d5284e91311929d7e92c73492076e8a05cd36.tar.gz tcl-c09d5284e91311929d7e92c73492076e8a05cd36.tar.bz2 | |
Fix gcc warning: ignoring return value of ‘write’,
declared with attribute warn_unused_result
CONSTify functions TclpGetUserHome and
TclSetPreInitScript (TIP #27)
Diffstat (limited to 'unix/tclUnixPipe.c')
| -rw-r--r-- | unix/tclUnixPipe.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/unix/tclUnixPipe.c b/unix/tclUnixPipe.c index 69250f8..208b6d9 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 1.49 2009/11/09 13:47:23 dkf Exp $ + * RCS: @(#) $Id: tclUnixPipe.c,v 1.50 2009/12/16 23:26:00 nijtmans Exp $ */ #include "tclInt.h" @@ -448,6 +448,7 @@ TclpCreateProcess( pid = fork(); if (pid == 0) { + size_t len; int joinThisError = errorFile && (errorFile == outputFile); fd = GetFd(errPipeOut); @@ -463,7 +464,10 @@ TclpCreateProcess( ((dup2(1,2) == -1) || (fcntl(2, F_SETFD, 0) != 0)))) { sprintf(errSpace, "%dforked process couldn't set up input/output: ", errno); - (void) write(fd, errSpace, (size_t) strlen(errSpace)); + len = strlen(errSpace); + if (len != (size_t) write(fd, errSpace, len)) { + Tcl_Panic("TclpCreateProcess: unable to write to errPipeOut"); + } _exit(1); } @@ -474,7 +478,10 @@ TclpCreateProcess( RestoreSignals(); execvp(newArgv[0], newArgv); /* INTL: Native. */ sprintf(errSpace, "%dcouldn't execute \"%.150s\": ", errno, argv[0]); - (void) write(fd, errSpace, (size_t) strlen(errSpace)); + len = strlen(errSpace); + if (len != (size_t) write(fd, errSpace, len)) { + Tcl_Panic("TclpCreateProcess: unable to write to errPipeOut"); + } _exit(1); } |