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authordgp <dgp@users.sourceforge.net>2007-12-12 16:34:47 (GMT)
committerdgp <dgp@users.sourceforge.net>2007-12-12 16:34:47 (GMT)
commitdc37307edcc19188928613def1ed35dc6107f763 (patch)
treec9de132172c46be8bf79092aeb9f913507ea874a
parent69e750883a78cfe72c39c5cc9cde7b78d8803719 (diff)
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* doc/IntObj.3: Update docs for the Tcl_GetBignumAndClearObj() ->
Tcl_TakeBignumFromObj() revision [TIP 298] [Bug 1446971].
-rw-r--r--ChangeLog3
-rw-r--r--doc/IntObj.324
2 files changed, 15 insertions, 12 deletions
diff --git a/ChangeLog b/ChangeLog
index f79de9f..709c435 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2007-12-12 Don Porter <dgp@users.sourceforge.net>
+ * doc/IntObj.3: Update docs for the Tcl_GetBignumAndClearObj() ->
+ Tcl_TakeBignumFromObj() revision [TIP 298] [Bug 1446971].
+
* changes: Updated for 8.5.0 release.
2007-12-10 Jeff Hobbs <jeffh@ActiveState.com>
diff --git a/doc/IntObj.3 b/doc/IntObj.3
index c7730e6..f91fb1e 100644
--- a/doc/IntObj.3
+++ b/doc/IntObj.3
@@ -4,13 +4,13 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: IntObj.3,v 1.11 2006/04/18 18:06:48 dgp Exp $
+'\" RCS: @(#) $Id: IntObj.3,v 1.12 2007/12/12 16:34:47 dgp Exp $
'\"
.so man.macros
.TH Tcl_IntObj 3 8.5 Tcl "Tcl Library Procedures"
.BS
.SH NAME
-Tcl_NewIntObj, Tcl_NewLongObj, Tcl_NewWideIntObj, Tcl_SetIntObj, Tcl_SetLongObj, Tcl_SetWideIntObj, Tcl_GetIntFromObj, Tcl_GetLongFromObj, Tcl_GetWideIntFromObj, Tcl_NewBignumObj, Tcl_SetBignumObj, Tcl_GetBignumFromObj, Tcl_GetBignumAndClearObj \- manipulate Tcl objects as integer values
+Tcl_NewIntObj, Tcl_NewLongObj, Tcl_NewWideIntObj, Tcl_SetIntObj, Tcl_SetLongObj, Tcl_SetWideIntObj, Tcl_GetIntFromObj, Tcl_GetLongFromObj, Tcl_GetWideIntFromObj, Tcl_NewBignumObj, Tcl_SetBignumObj, Tcl_GetBignumFromObj, Tcl_TakeBignumFromObj \- manipulate Tcl objects as integer values
.SH SYNOPSIS
.nf
\fB#include <tcl.h>\fR
@@ -52,7 +52,7 @@ int
\fBTcl_GetBignumFromObj\fR(\fIinterp, objPtr, bigValue\fR)
.sp
int
-\fBTcl_GetBignumAndClearObj\fR(\fIinterp, objPtr, bigValue\fR)
+\fBTcl_TakeBignumFromObj\fR(\fIinterp, objPtr, bigValue\fR)
.VE 8.5
.SH ARGUMENTS
.AS Tcl_WideInt longValue in/out
@@ -67,7 +67,7 @@ For \fBTcl_SetIntObj\fR, \fBTcl_SetLongObj\fR, \fBTcl_SetWideIntObj\fR,
and \fBTcl_SetBignumObj\fR, this points to the object in which to store an
integral value. For \fBTcl_GetIntFromObj\fR, \fBTcl_GetLongFromObj\fR,
\fBTcl_GetWideIntFromObj\fR, \fBTcl_GetBignumFromObj\fR, and
-\fBTcl_GetBignumAndClearObj\fR, this refers to the object from which
+\fBTcl_TakeBignumFromObj\fR, this refers to the object from which
to retrieve an integral value.
.AP Tcl_Interp *interp in/out
When non-NULL, an error message is left here when integral value
@@ -97,7 +97,7 @@ provides value exchange routines are \fBint\fR, \fBlong int\fR,
\fBTcl_WideInt\fR, and \fBmp_int\fR. The \fBint\fR and \fBlong int\fR types
are provided by the C language standard. The \fBTcl_WideInt\fR type is a
typedef defined to be whatever signed integral type covers at least the
-64-bit integer range (-9223372036854775809 to 9223372036854775807). Depending
+64-bit integer range (-9223372036854775808 to 9223372036854775807). Depending
on the platform and the C compiler, the actual type might be
\fBlong int\fR, \fBlong long int\fR, \fBint64\fR, or something else.
The \fBmp_int\fR type is a multiple-precision integer type defined
@@ -119,7 +119,7 @@ as a consequence of setting the new value.
.PP
The \fBTcl_GetIntFromObj\fR, \fBTcl_GetLongFromObj\fR,
\fBTcl_GetWideIntFromObj\fR, \fBTcl_GetBignumFromObj\fR, and
-\fBTcl_GetBignumAndClearObj\fR routines attempt to retrieve an integral
+\fBTcl_TakeBignumFromObj\fR routines attempt to retrieve an integral
value of the appropriate type from the Tcl object \fIobjPtr\fR. If the
attempt succeeds, then \fBTCL_OK\fR is returned, and the value is
written to the storage provided by the caller. The attempt might
@@ -129,18 +129,18 @@ then \fBTCL_ERROR\fR is returned, and if \fIinterp\fR is non-NULL,
an error message is left in \fIinterp\fR. The \fBTcl_ObjType\fR
of \fIobjPtr\fR may be changed to make subsequent calls to the
same routine more efficient. Unlike the other functions,
-\fBTcl_GetBignumAndClearObj\fR may set the content of the Tcl object
+\fBTcl_TakeGetBignumFromObj\fR may set the content of the Tcl object
\fIobjPtr\fR to an empty string in the process of retrieving the
multiple-precision integer value.
.PP
The choice between \fBTcl_GetBignumFromObj\fR and
-\fBTcl_GetBignumAndClearObj\fR is governed by how the caller will
+\fBTcl_TakeGetBignumFromObj\fR is governed by how the caller will
continue to use \fIobjPtr\fR. If after the \fBmp_int\fR value
is retrieved from \fIobjPtr\fR, the caller will make no more
-use of \fIobjPtr\fR, and in addition if \fIobjPtr\fR is unshared,
-then using \fBTcl_GetBignumAndClearObj\fR requires less copying
-to get the same job done, and should be more efficient. If
-\fIobjPtr\fR is shared, or if anything later in the caller requires
+use of \fIobjPtr\fR, then using \fBTcl_TakeGetBignumFromObj\fR
+permits Tcl to detect when an unshared \fIobjPtr\fR permits the
+value to be moved instead of copied, which should be more efficient.
+If anything later in the caller requires
\fIobjPtr\fR to continue to hold the same value, then
\fBTcl_GetBignumFromObj\fR must be chosen.
.VE 8.5