diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/IntObj.3 | 24 |
1 files changed, 12 insertions, 12 deletions
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 |