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* * generic/tclStringObj.c: Revise buffer growth implementationdgp2009-02-171-13/+32
| | | | | | | in ExtendStringRepWithUnicode. Use cheap checks to determine that no reallocation is necessary without cost of computing the precise number of bytes needed. Also make use of the string growth algortihm in the case of repeated appends.
* fix [Feature Request 2605263] use officialnijtmans2009-02-161-30/+82
| | | | zlib build.
* * generic/tclTestObj.c: Replace the [teststringobj ualloc] testingdgp2009-02-161-5/+5
| | | | | * tests/stringObj.test: command with [teststringobj maxchars] and update the tests.
* * generic/tclStringObj.c: Added protections from invalid memorydgp2009-02-162-6/+98
| | | | | | | * generic/tclTestObj.c: accesses when we append (some part of) * tests/stringObj.test: a Tcl_Obj to itself. Added the appendself and appendself2 subcommands to the [teststringobj] testing command and added tests to the test suite. [Bug 2603158]
* * generic/tclStringObj.c: Factor out duplicate code fromdgp2009-02-151-12/+4
| | | | Tcl_AppendObjToObj.
* * generic/tclStringObj.c: Replace the 'size_t uallocated' fielddgp2009-02-151-46/+42
| | | | | | | | of the String struct, storing the number of bytes allocated to store the Tcl_UniChar array, with an 'int maxChars' field, storing the number of Tcl_UniChars that may be stored in the allocated space. This reduces memory requirement a small bit, and makes some range checks simpler to code.
* * generic/tclStringObj.c: Removed limitation indgp2009-02-151-12/+7
| | | | | | | | Tcl_AppendObjToObj where the char length of the result was only computed if the appended string was all single byte characters. This limitation was in place to dodge a bug in Tcl_GetUniChar. With that bug gone, we can take advantage of always recording the length of append results when we know it.
* * generic/tclStringObj.c: Revisions so that we avoid creatingdgp2009-02-141-51/+73
| | | | | | | | | | | | the strange representation of an empty string with objPtr->bytes == NULL and stringPtr->hasUnicode == 0. Instead in the situations where that was being created, create a traditional two-legged stork representation (objPtr->bytes = tclEmptyStringRep and stringPtr->hasUnicode = 1). In the situations where the strange rep was treated differently, continue to do so by testing stringPtr->numChars == 0 to detect it. These changes make the code more conventional so easier for new maintainers to pick up. Also sets up further simplifications.
* * generic/tclTestObj.c: Revise updates to [teststringobj] so we don'tdgp2009-02-141-7/+5
| | | | get blocked by MODULE_SCOPE limits.
* Const correctness fixes in the debug build.dgp2009-02-141-5/+5
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* Remove all "register" keywords.dgp2009-02-131-20/+20
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* New utility routine UnicodeLength(), to compute the length of unicodedgp2009-02-131-23/+21
| | | | | buffer arguments when no length is passed in, with built-in overflow protection included. Update three callers to use it.
* * generic/tclStringObj.c: Rewrites of the routinesdgp2009-02-132-153/+124
| | | | | | | | | | | Tcl_GetCharLength, Tcl_GetUniChar, Tcl_GetUnicodeFromObj, Tcl_GetRange, and TclStringObjReverse to use the new macro, and to more simply and clearly split the cases depending on whether a valid unicode rep is present or needs to be created. * generic/tclInt.h: New macro TclNumUtfChars meant to be a faster replacement for a full Tcl_NumUtfChars() call when the string has all single-byte characters.
* * generic/tclStringObj.c: Simplified Tcl_GetCharLength bydgp2009-02-122-25/+32
| | | | | | * generic/tclTestObj.c: removing code that did nothing. Added early returns from Tcl_*SetObjLength when the desired length is already present; adapted test command to the change.
* * generic/tclStringObj.c: Re-implemented AppendUtfToUnicodeRepdgp2009-02-121-32/+49
| | | | | | so that we no longer pass through Tcl_DStrings which have their own sets of problems when lengths overflow the int range. Now AUTUR and FillUnicodeRep share a common core routine.
* Fix tricky point that meant it was next to impossible to extend [oo::define].dkf2009-02-121-4/+4
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* Revise latest commit to better maintain stringPtr->numChars.dgp2009-02-121-8/+12
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* * generic/tclStringObj.c: Re-implemented AppendUnicodeToUtfRepdgp2009-02-121-54/+79
| | | | | | so that we no longer pass through Tcl_DStrings which have their own sets of problems when lengths overflow the int range. Now AUTUR and UpdateStringOfString share a common core routine.
* Removed casts now unnecessary after type of stringPtr->allocated changed.dgp2009-02-111-5/+5
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* * generic/tclStringObj.c: Changed type of the 'allocated' fielddgp2009-02-111-2/+2
| | | | | | * generic/tclTestObj.c: of the String struct (and the TestString counterpart) from size_t to int since only int values are ever stored in it.
* * generic/tclStringObj.c: Changed type of the 'allocated' fielddgp2009-02-112-3/+4
| | | | | of the String struct from size_t to int since only int values are ever stored in it.
* - eliminate some unnessary type castsnijtmans2009-02-1012-163/+117
| | | | | - some internal const decorations - spacing
* - eliminate some unnessary type castsnijtmans2009-02-1018-110/+114
| | | | | - some internal const decorations - spacing
* Removed handling of (objPtr->bytes != NULL) from UpdateStringOfString,dgp2009-02-101-3/+1
| | | | which is only called when objPtr->bytes is NULL.
* Simplify Tcl_SetObjLength by removing unreachable code.dgp2009-02-101-10/+3
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* Simplify SetStringFromAny() by removing unreachable and duplicate code.dgp2009-02-101-25/+13
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* * generic/tclObj.c (Tcl_GetString): Added comments and validitydgp2009-02-102-12/+22
| | | | | | checks following the call to an UpdateStringProc. Simplify Tcl_AttemptSetObjLength by removing unreachable code.
* Convert all Tcl_InvalidateStringRep() calls into macros.dgp2009-02-101-7/+7
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* * generic/tclStringObj.c: Reduce code duplication in Tcl_GetUnicode*.dgp2009-02-101-5/+3
| | | | Restrict AppendUtfToUtfRep to non-negative length appends.
* * generic/tclStringObj.c (Tcl_GetUnicode*): Reduce code duplication.dgp2009-02-101-25/+2
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* fix [Bug 2555129] const compilernijtmans2009-02-091-3/+3
| | | | warning (as error) in tclCompile.c
* Improve error messages. [Bug 2573172]dkf2009-02-071-181/+198
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* Fix for [Bug 2544618]Joe Mistachkin2009-02-061-6/+6
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* Simplify the implementation of some commands now that the underlying stringdkf2009-02-051-99/+59
| | | | API knows more about bytearrays.
* Add missing castdkf2009-02-051-2/+2
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* Fix [Bug 2568434]dkf2009-02-051-2/+6
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* More/better/cleaner handling of the bytearray special casing for string ops.dkf2009-02-051-14/+82
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* Improve efficiency of Tcl_AppendObjToObj's bytearray handling.dkf2009-02-051-1/+30
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* comment typodgp2009-02-041-2/+2
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* * generic/tclStringObj.c: Added overflow protections to thedgp2009-02-041-4/+14
| | | | | AppendUtfToUtfRep routine to either avoid invalid arguments and crashes, or to replace them with controlled panics. [Bug 2561794]
* * generic/tclCmdMZ.c: Prevent crashes due to int overflow of thedgp2009-02-041-11/+14
| | | | length of the result of [string repeat]. [Bug 2561746]
* - eliminate some unnessary type castsnijtmans2009-02-037-66/+69
| | | | | - some internal const decorations - spacing
* Added missing declaration of tclCmdNameTypedkf2009-02-031-1/+2
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* Fix for [Bug 2558422] though this area is still a mess.dkf2009-02-031-2/+10
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* * generic/tclStringObj.c (SetUnicodeObj): Corrected failure ofdgp2009-02-031-43/+28
| | | | | Tcl_SetUnicodeObj() to panic on a shared object. [Bug 2561488]. Also factored out common code to reduce duplication.
* * generic/tclObj.c (Tcl_GetStringFromObj): Reduce code duplication.dgp2009-02-031-8/+2
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* * generic/tclInterp.c: Reverted the conversion of [interp] into andgp2009-02-021-956/+441
| | | | | | | | * tests/interp.test: ensemble. Such conversion is not necessary * tests/nre.test: (or even all that helpful) in the NRE-enabling of [interp invokehidden], and it has other implications -- including significant forkage of the 8.5 and 8.6 implementations -- that are better off avoided if there's no gain.
* * generic/tclStringObj.c (STRING_NOMEM): Add missing cast ofdgp2009-02-021-2/+3
| | | | NULL to (char *) that upsets some compilers. [Bug 2494093].
* * generic/tclStringObj.c (Tcl_(Attempt)SetObjLength): Addeddgp2009-02-021-1/+16
| | | | | | protections against callers asking for negative lengths. It is likely when this happens that an integer overflow is to blame. [Bug 2553906].
* Fix [Bug 2519474]dkf2009-01-291-2/+3
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