diff options
| -rw-r--r-- | ChangeLog | 17 | ||||
| -rw-r--r-- | doc/SetErrno.3 | 19 | ||||
| -rw-r--r-- | doc/info.n | 6 | ||||
| -rw-r--r-- | doc/namespace.n | 7 | ||||
| -rw-r--r-- | doc/trace.n | 6 | ||||
| -rw-r--r-- | doc/variable.n | 6 | ||||
| -rw-r--r-- | generic/tclNamesp.c | 5 | ||||
| -rw-r--r-- | tests/namespace.test | 9 | ||||
| -rw-r--r-- | unix/mkLinks | 8 |
9 files changed, 60 insertions, 23 deletions
@@ -1,3 +1,17 @@ +2000-01-26 Eric Melski <ericm@scriptics.com> + + * generic/tclNamesp.c: Undid fix for #956, which broke backwards + compatibility. + + * doc/variable.n: + * doc/trace.n: + * doc/namespace.n: + * doc/info.n: Added further information about differences between + "namespace which" and "info exists". + + * doc/SetErrno.3: Added descriptions of ErrnoId() and ErrnoMsg() + functions. + 2000-01-25 Jeff Hobbs <hobbs@scriptics.com> * unix/tcl.m4: modified EXTRA_CFLAGS to add -DHAVE_TZSET for @@ -41,6 +55,9 @@ 2000-01-21 Eric Melski <ericm@scriptics.com> + * unix/mkLinks: + * doc/GetHostName.3: Man page for Tcl_GetHostName (bug #1817). + * doc/lreplace.n: Corrected man page with respect to treatment of empty lists, and "prettied up" the page. (bug #1705). 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 @@ -6,7 +6,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: info.n,v 1.2 1998/09/14 18:39:53 stanton Exp $ +'\" RCS: @(#) $Id: info.n,v 1.3 2000/01/26 21:36:35 ericm Exp $ '\" .so man.macros .TH info n 7.5 Tcl "Tcl Built-In Commands" @@ -72,8 +72,8 @@ into variable \fIvarname\fR. .TP \fBinfo exists \fIvarName\fR Returns \fB1\fR if the variable named \fIvarName\fR exists in the -current context (either as a global or local variable), returns \fB0\fR -otherwise. +current context (either as a global or local variable) and has been +defined by being given a value, returns \fB0\fR otherwise. .TP \fBinfo globals \fR?\fIpattern\fR? If \fIpattern\fR isn't specified, returns a list of all the names diff --git a/doc/namespace.n b/doc/namespace.n index eeb45f5..93d1656 100644 --- a/doc/namespace.n +++ b/doc/namespace.n @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: namespace.n,v 1.3 1999/04/16 00:46:35 stanton Exp $ +'\" RCS: @(#) $Id: namespace.n,v 1.4 2000/01/26 21:36:35 ericm Exp $ '\" .so man.macros .TH namespace n 8.0 Tcl "Tcl Built-In Commands" @@ -228,7 +228,10 @@ For example, if \fIname\fR does not exist in the current namespace but does exist in the global namespace, this command returns a fully-qualified name in the global namespace. If the command or variable does not exist, -this command returns an empty string. +this command returns an empty string. If the variable has been +created but not defined, such as with the \fBvariable\fR command +or through a \fBtrace\fR on the variable, this command will return the +fully-qualified name of the variable. If no flag is given, \fIname\fR is treated as a command name. See the section \fBNAME RESOLUTION\fR below for an explanation of the rules regarding name resolution. diff --git a/doc/trace.n b/doc/trace.n index 317205a..7266bac 100644 --- a/doc/trace.n +++ b/doc/trace.n @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: trace.n,v 1.2 1998/09/14 18:39:56 stanton Exp $ +'\" RCS: @(#) $Id: trace.n,v 1.3 2000/01/26 21:36:35 ericm Exp $ '\" .so man.macros .TH trace n "" Tcl "Tcl Built-In Commands" @@ -30,7 +30,9 @@ refer to a normal variable, an element of an array, or to an array as a whole (i.e. \fIname\fR may be just the name of an array, with no parenthesized index). If \fIname\fR refers to a whole array, then \fIcommand\fR is invoked whenever any element of the array is -manipulated. +manipulated. If the variable does not exist, it will be created but +will not be given a value, so it will be visible to \fBnamespace which\fR +queries, but not to \fBinfo exists\fR queries. .RS .PP \fIOps\fR indicates which operations are of interest, and consists of diff --git a/doc/variable.n b/doc/variable.n index 3b742a9..417cd24 100644 --- a/doc/variable.n +++ b/doc/variable.n @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: variable.n,v 1.2 1998/09/14 18:39:56 stanton Exp $ +'\" RCS: @(#) $Id: variable.n,v 1.3 2000/01/26 21:36:35 ericm Exp $ '\" .so man.macros .TH variable n 8.0 Tcl "Tcl Built-In Commands" @@ -36,7 +36,9 @@ Normally, \fIname\fR is unqualified (does not include the names of any containing namespaces), and the variable is created in the current namespace. If \fIname\fR includes any namespace qualifiers, -the variable is created in the specified namespace. +the variable is created in the specified namespace. If the variable +is not defined, it will be visible to the \fBnamespace which\fR +command, but not to the \fBinfo exists\fR command. .PP If the \fBvariable\fR command is executed inside a Tcl procedure, it creates local variables diff --git a/generic/tclNamesp.c b/generic/tclNamesp.c index 478867d..b64b6cc 100644 --- a/generic/tclNamesp.c +++ b/generic/tclNamesp.c @@ -19,7 +19,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclNamesp.c,v 1.15 2000/01/21 03:58:16 ericm Exp $ + * RCS: @(#) $Id: tclNamesp.c,v 1.16 2000/01/26 21:36:35 ericm Exp $ */ #include "tclInt.h" @@ -3628,8 +3628,7 @@ NamespaceWhichCmd(dummy, interp, objc, objv) arg = Tcl_GetString(objv[argIndex]); variable = Tcl_FindNamespaceVar(interp, arg, (Tcl_Namespace *) NULL, /*flags*/ 0); - if (variable != (Tcl_Var) NULL - && !TclIsVarUndefined((Var *)variable)) { + if (variable != (Tcl_Var) NULL) { Tcl_GetVariableFullName(interp, variable, Tcl_GetObjResult(interp)); } break; diff --git a/tests/namespace.test b/tests/namespace.test index 6cecc9e..dcc6671 100644 --- a/tests/namespace.test +++ b/tests/namespace.test @@ -11,7 +11,7 @@ # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # -# RCS: @(#) $Id: namespace.test,v 1.8 2000/01/21 03:58:17 ericm Exp $ +# RCS: @(#) $Id: namespace.test,v 1.9 2000/01/26 21:36:36 ericm Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest @@ -1041,13 +1041,6 @@ test namespace-34.7 {NamespaceWhichCmd, variable lookup} { [catch {namespace which -variable ::test_ns_2::noSuchVar} msg] $msg } } {::env ::test_ns_3::v3 ::test_ns_2::v2 0 {}} -test namespace-34.8 {NamespaceWhichCmd, lookup of undefined but traced var} { - catch {unset foo} - trace variable foo w bar - set res [namespace which -variable foo] - trace vdelete foo w bar - set res -} {} test namespace-35.1 {FreeNsNameInternalRep, resulting ref count > 0} { catch {eval namespace delete [namespace children :: test_ns_*]} diff --git a/unix/mkLinks b/unix/mkLinks index 62116c6..a16bdcb 100644 --- a/unix/mkLinks +++ b/unix/mkLinks @@ -567,6 +567,14 @@ if test -r SetErrno.3; then rm -f Tcl_GetErrno.3 ln SetErrno.3 Tcl_GetErrno.3 fi +if test -r SetErrno.3; then + rm -f Tcl_ErrnoId.3 + ln SetErrno.3 Tcl_ErrnoId.3 +fi +if test -r SetErrno.3; then + rm -f Tcl_ErrnoMsg.3 + ln SetErrno.3 Tcl_ErrnoMsg.3 +fi if test -r Hash.3; then rm -f Tcl_GetHashKey.3 ln Hash.3 Tcl_GetHashKey.3 |