diff options
Diffstat (limited to 'generic/tclStringObj.c')
| -rw-r--r-- | generic/tclStringObj.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c index 4af164c..41ecf137 100644 --- a/generic/tclStringObj.c +++ b/generic/tclStringObj.c @@ -33,7 +33,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclStringObj.c,v 1.28 2003/01/24 11:59:29 vincentdarley Exp $ */ + * RCS: @(#) $Id: tclStringObj.c,v 1.29 2003/02/11 18:35:11 hobbs Exp $ */ #include "tclInt.h" @@ -376,7 +376,7 @@ Tcl_GetCharLength(objPtr) */ if (stringPtr->numChars == -1) { - register int i = 0; + register int i = 0, len = objPtr->length; register unsigned char *str = (unsigned char *) objPtr->bytes; /* @@ -386,14 +386,13 @@ Tcl_GetCharLength(objPtr) stringPtr->numChars = Tcl_NumUtfChars(objPtr->bytes, objPtr->length); */ - while (*str && *str < 0xC0) { i++; str++; } + while ((i < len) && (*str < 0xC0)) { i++; str++; } stringPtr->numChars = i; - if (*str) { - stringPtr->numChars += Tcl_NumUtfChars(objPtr->bytes + i, - objPtr->length - i); + if (i < len) { + stringPtr->numChars += Tcl_NumUtfChars(objPtr->bytes + i, len - i); } - if (stringPtr->numChars == objPtr->length) { + if (stringPtr->numChars == len) { /* * Since we've just calculated the number of chars, and all |