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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2008-09-10 13:03:02 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2008-09-10 13:03:02 (GMT) |
| commit | eb97dfe76d6d46cf1b3c040b8a907305e5300afe (patch) | |
| tree | 505549710d71ed6f9ba0007bf5973534e1f03730 /generic/tclListObj.c | |
| parent | 15f99b3fa80902c78a829d71b3d6159e9769cac1 (diff) | |
| download | tcl-eb97dfe76d6d46cf1b3c040b8a907305e5300afe.zip tcl-eb97dfe76d6d46cf1b3c040b8a907305e5300afe.tar.gz tcl-eb97dfe76d6d46cf1b3c040b8a907305e5300afe.tar.bz2 | |
Fix efficiency bug detected by Kieran Elby.
Diffstat (limited to 'generic/tclListObj.c')
| -rw-r--r-- | generic/tclListObj.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/generic/tclListObj.c b/generic/tclListObj.c index 7505569..aebaee8 100644 --- a/generic/tclListObj.c +++ b/generic/tclListObj.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclListObj.c,v 1.52 2008/08/23 10:54:24 dkf Exp $ + * RCS: @(#) $Id: tclListObj.c,v 1.53 2008/09/10 13:03:33 dkf Exp $ */ #include "tclInt.h" @@ -428,7 +428,16 @@ Tcl_ListObjGetElements( if (listPtr->typePtr != &tclListType) { int result, length; - (void) TclGetStringFromObj(listPtr, &length); + /* + * Don't get the string version of a dictionary; that transformation + * is not lossy, but is expensive. + */ + + if (listPtr->typePtr == &tclDictType) { + (void) Tcl_DictObjSize(NULL, listPtr, &length); + } else { + (void) TclGetStringFromObj(listPtr, &length); + } if (!length) { *objcPtr = 0; *objvPtr = NULL; |