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Overview
| Comment: | Reinforced the description of the requirement for the tables of names for Tcl_GetIndexFromObj to index over to be static, following posting to tcl-core by Brian Griffin about a bug caused by not obeying this rule correctly. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | core-8-4-branch |
| Files: | files | file ages | folders |
| SHA1: |
dfd2b68795a3fc7978ac7da12d0ce8cd |
| User & Date: | dkf 2012-06-29 08:43:55 |
Context
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2012-06-29
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| 11:34 | Add tn, ro_MO and ru_MO to msgcat. Make it work on cygwin (backported) Bump msgcat to 1.3.5 check-in: 43a8de67fb user: jan.nijtmans tags: core-8-4-branch | |
| 08:47 | Reinforced the description of the requirement for the tables of names for Tcl_GetIndexFromObj to ind... check-in: a9bb7948cc user: dkf tags: core-8-5-branch | |
| 08:43 | Reinforced the description of the requirement for the tables of names for Tcl_GetIndexFromObj to ind... check-in: dfd2b68795 user: dkf tags: core-8-4-branch | |
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2012-06-28
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| 21:22 | only expect tcldde.dll when --enable-shared check-in: 306e9b334e user: jan.nijtmans tags: core-8-4-branch | |
Changes
Changes to ChangeLog.
1 2 3 4 5 6 7 | 2012-06-23 Jan Nijtmans <[email protected]> * unix/tclUnixNotfy.c: [Bug 3508771]: Cygwin notifier for handling win32 events. 2012-06-19 Jan Nijtmans <[email protected]> | > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | 2012-06-29 Donal K. Fellows <[email protected]> * doc/GetIndex.3: Reinforced the description of the requirement for the tables of names to index over to be static, following posting to tcl-core by Brian Griffin about a bug caused by Tktreectrl not obeying this rule correctly. This does not represent a functionality change, merely a clearer documentation of a long-standing constraint. 2012-06-23 Jan Nijtmans <[email protected]> * unix/tclUnixNotfy.c: [Bug 3508771]: Cygwin notifier for handling win32 events. 2012-06-19 Jan Nijtmans <[email protected]> |
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Changes to doc/GetIndex.3.
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30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | .AP Tcl_Obj *objPtr in/out The string value of this object is used to search through \fItablePtr\fR. The internal representation is modified to hold the index of the matching table entry. .AP "CONST char" **tablePtr in An array of null-terminated strings. The end of the array is marked by a NULL string pointer. .AP "CONST VOID" *structTablePtr in An array of arbitrary type, typically some \fBstruct\fP type. The first member of the structure must be a null-terminated string. The size of the structure is given by \fIoffset\fP. .VS .AP int offset in The offset to add to structTablePtr to get to the next entry. The end of the array is marked by a NULL string pointer. .VE .AP "CONST char" *msg in Null-terminated string describing what is being looked up, such as \fBoption\fR. This string is included in error messages. .AP int flags in OR-ed combination of bits providing additional information for operation. The only bit that is currently defined is \fBTCL_EXACT\fR. .AP int *indexPtr out The index of the string in \fItablePtr\fR that matches the value of \fIobjPtr\fR is returned here. .BE .SH DESCRIPTION .PP | > > > > > > | | | 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | .AP Tcl_Obj *objPtr in/out The string value of this object is used to search through \fItablePtr\fR. The internal representation is modified to hold the index of the matching table entry. .AP "CONST char" **tablePtr in An array of null-terminated strings. The end of the array is marked by a NULL string pointer. Note that references to the \fItablePtr\fR may be retained in the internal representation of \fIobjPtr\fR, so this should represent the address of a statically-allocated array. .AP "CONST VOID" *structTablePtr in An array of arbitrary type, typically some \fBstruct\fP type. The first member of the structure must be a null-terminated string. The size of the structure is given by \fIoffset\fP. Note that references to the \fIstructTablePtr\fR may be retained in the internal representation of \fIobjPtr\fR, so this should represent the address of a statically-allocated array of structures. .VS .AP int offset in The offset to add to structTablePtr to get to the next entry. The end of the array is marked by a NULL string pointer. .VE .AP "CONST char" *msg in Null-terminated string describing what is being looked up, such as \fBoption\fR. This string is included in error messages. .AP int flags in OR-ed combination of bits providing additional information for operation. The only bit that is currently defined is \fBTCL_EXACT\fR. .AP int *indexPtr out The index of the string in \fItablePtr\fR that matches the value of \fIobjPtr\fR is returned here. .BE .SH DESCRIPTION .PP These procedures provide an efficient way for looking up keywords, switch names, option names, and similar things where the value of an object must be one of a predefined set of values. \fBTcl_GetIndexFromObj\fR compares \fIobjPtr\fR against each of the strings in \fItablePtr\fR to find a match. A match occurs if \fIobjPtr\fR's string value is identical to one of the strings in \fItablePtr\fR, or if it is a non-empty unique abbreviation for exactly one of the strings in \fItablePtr\fR and the \fBTCL_EXACT\fR flag was not specified; in either case the index of the matching entry is stored at \fI*indexPtr\fR and TCL_OK is returned. |
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