diff options
Diffstat (limited to 'doc/SetErrno.3')
| -rw-r--r-- | doc/SetErrno.3 | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/doc/SetErrno.3 b/doc/SetErrno.3 index 2625c9a..d8eb1c1 100644 --- a/doc/SetErrno.3 +++ b/doc/SetErrno.3 @@ -4,7 +4,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: SetErrno.3,v 1.4 2002/01/15 21:19:06 dgp Exp $ +'\" RCS: @(#) $Id: SetErrno.3,v 1.5 2002/01/15 21:47:27 dgp Exp $ .so man.macros .TH Tcl_SetErrno 3 8.3 Tcl "Tcl Library Procedures" .BS @@ -24,10 +24,10 @@ CONST char * \fBTcl_ErrnoId\fR() .sp CONST char * -\fBTcl_ErrnoMsg\fR() +\fBTcl_ErrnoMsg\fR(\fIerrorCode\fR) .sp .SH ARGUMENTS -.AS Tcl_Interp *errorCode in +.AS int errorCode in .AP int errorCode in A POSIX error code such as \fBENOENT\fR. .BE @@ -50,11 +50,15 @@ via \fBerrno\fR should call \fBTcl_SetErrno\fR rather than setting Procedures wishing to access \fBerrno\fR should call this procedure instead of accessing \fBerrno\fR directly. .PP -\fBTcl_ErrnoId\fR and \fBTcl_ErrnoMsg\fR return a string -representation of the current \fBerrno\fR value. \fBTcl_ErrnoId\fR +\fBTcl_ErrnoId\fR and \fBTcl_ErrnoMsg\fR return string +representations of \fBerrno\fR values. \fBTcl_ErrnoId\fR returns a machine-readable textual identifier such as -"EACCES". \fBTcl_ErrnoMsg\fR returns a human-readable string such as -"permission denied". The strings returned by these functions are +"EACCES" that corresponds to the current value of \fBerrno\fR. +\fBTcl_ErrnoMsg\fR returns a human-readable string such as +"permission denied" that corresponds to the value of its +\fIerrorCode\fR argument. The \fIerrorCode\fR argument is +typically the value returned by \fBTcl_GetErrno\fR. +The strings returned by these functions are statically allocated and the caller must not free or modify them. .SH KEYWORDS |