diff options
Diffstat (limited to 'doc/SetErrno.3')
| -rw-r--r-- | doc/SetErrno.3 | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/doc/SetErrno.3 b/doc/SetErrno.3 index d57263b..78adebd 100644 --- a/doc/SetErrno.3 +++ b/doc/SetErrno.3 @@ -4,12 +4,12 @@ '\" 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 1.2 1998/09/14 18:39:50 stanton Exp $ +'\" RCS: @(#) $Id: SetErrno.3,v 1.3 2000/01/26 21:36:35 ericm Exp $ .so man.macros -.TH Tcl_SetErrno 3 7.5 Tcl "Tcl Library Procedures" +.TH Tcl_SetErrno 3 8.3 Tcl "Tcl Library Procedures" .BS .SH NAME -Tcl_SetErrno, Tcl_GetErrno \- manipulate errno to store and retrieve error codes +Tcl_SetErrno, Tcl_GetErrno, Tcl_ErrnoId, Tcl_ErrnoMsg \- manipulate errno to store and retrieve error codes .SH SYNOPSIS .nf \fB#include <tcl.h>\fR @@ -20,6 +20,12 @@ void int \fBTcl_GetErrno\fR() .sp +char * +\fBTcl_ErrnoId\fR() +.sp +char * +\fBTcl_ErrnoMsg\fR() +.sp .SH ARGUMENTS .AS Tcl_Interp *errorCode in .AP int errorCode in @@ -43,6 +49,13 @@ via \fBerrno\fR should call \fBTcl_SetErrno\fR rather than setting \fBTcl_GetErrno\fR returns the current value of \fBerrno\fR. 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 +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 +statically allocated and the caller must not free or modify them. .SH KEYWORDS errno, error code, global variables |