diff options
Diffstat (limited to 'generic')
-rw-r--r-- | generic/tclIndexObj.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/generic/tclIndexObj.c b/generic/tclIndexObj.c index 5acb6c5..eedb259 100644 --- a/generic/tclIndexObj.c +++ b/generic/tclIndexObj.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: tclIndexObj.c,v 1.3 1999/04/16 00:46:47 stanton Exp $ + * RCS: @(#) $Id: tclIndexObj.c,v 1.4 1999/06/28 23:49:31 redman Exp $ */ #include "tclInt.h" @@ -173,6 +173,15 @@ Tcl_GetIndexFromObjStruct(interp, objPtr, tablePtr, offset, msg, flags, key = Tcl_GetStringFromObj(objPtr, &length); index = -1; numAbbrev = 0; + + /* + * The key should not be empty, otherwise it's not a match. + */ + + if (key[0] == '\0') { + goto error; + } + for (entryPtr = tablePtr, i = 0; *entryPtr != NULL; entryPtr = (char **) ((long) entryPtr + offset), i++) { for (p1 = key, p2 = *entryPtr; *p1 == *p2; p1++, p2++) { |