diff options
Diffstat (limited to 'generic/tclUtil.c')
| -rw-r--r-- | generic/tclUtil.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/generic/tclUtil.c b/generic/tclUtil.c index b490e55..961e5cd 100644 --- a/generic/tclUtil.c +++ b/generic/tclUtil.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclUtil.c,v 1.82.2.6 2007/12/11 16:19:56 dgp Exp $ + * RCS: @(#) $Id: tclUtil.c,v 1.82.2.7 2008/03/07 22:05:06 dgp Exp $ */ #include "tclInt.h" @@ -3270,7 +3270,7 @@ TclReToGlob( Tcl_DString *dsPtr, int *exactPtr) { - int anchorLeft, anchorRight; + int anchorLeft, anchorRight, lastIsStar; char *dsStr, *dsStrStart, *msg; const char *p, *strEnd; @@ -3300,11 +3300,16 @@ TclReToGlob( /* * Check for anchored REs (ie ^foo$), so we can use string equal if * possible. Do not alter the start of str so we can free it correctly. + * + * Keep track of the last char being an unescaped star to prevent + * multiple instances. Simpler than checking that the last star + * may be escaped. */ msg = NULL; p = reStr; anchorRight = 0; + lastIsStar = 0; dsStr = dsStrStart; if (*p == '^') { anchorLeft = 1; @@ -3312,6 +3317,7 @@ TclReToGlob( } else { anchorLeft = 0; *dsStr++ = '*'; + lastIsStar = 1; } for ( ; p < strEnd; p++) { @@ -3364,14 +3370,16 @@ TclReToGlob( if (p+1 < strEnd) { if (p[1] == '*') { p++; - if ((dsStr == dsStrStart) || (dsStr[-1] != '*')) { + if (!lastIsStar) { *dsStr++ = '*'; + lastIsStar = 1; } continue; } else if (p[1] == '+') { p++; *dsStr++ = '?'; *dsStr++ = '*'; + lastIsStar = 1; continue; } } @@ -3393,8 +3401,9 @@ TclReToGlob( *dsStr++ = *p; break; } + lastIsStar = 0; } - if (!anchorRight && ((dsStr == dsStrStart) || (dsStr[-1] != '*'))) { + if (!anchorRight && !lastIsStar) { *dsStr++ = '*'; } Tcl_DStringSetLength(dsPtr, dsStr - dsStrStart); |