diff options
| -rw-r--r-- | generic/tclIndexObj.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/generic/tclIndexObj.c b/generic/tclIndexObj.c index b206b35..85e0730 100644 --- a/generic/tclIndexObj.c +++ b/generic/tclIndexObj.c @@ -302,6 +302,10 @@ Tcl_GetIndexFromObjStruct( entryPtr = NEXT_ENTRY(entryPtr, offset), idx++) { for (p1 = key, p2 = *entryPtr; *p1 == *p2; p1++, p2++) { if (*p1 == '\0') { + if (p1 == key) { + /* empty keys never match */ + continue; + } index = idx; goto done; } @@ -356,26 +360,31 @@ Tcl_GetIndexFromObjStruct( * Produce a fancy error message. */ - int count; + int count = 0; TclNewObj(resultPtr); + entryPtr = tablePtr; + while ((*entryPtr != NULL) && !**entryPtr) { + entryPtr = NEXT_ENTRY(entryPtr, offset); + } Tcl_AppendStringsToObj(resultPtr, (numAbbrev>1 && !(flags & TCL_EXACT) ? "ambiguous " : "bad "), msg, " \"", key, NULL); - if (STRING_AT(tablePtr, offset, 0) == NULL) { + if (*entryPtr == NULL) { Tcl_AppendStringsToObj(resultPtr, "\": no valid options", NULL); } else { Tcl_AppendStringsToObj(resultPtr, "\": must be ", - STRING_AT(tablePtr, offset, 0), NULL); - for (entryPtr = NEXT_ENTRY(tablePtr, offset), count = 0; - *entryPtr != NULL; - entryPtr = NEXT_ENTRY(entryPtr, offset), count++) { + *entryPtr, NULL); + entryPtr = NEXT_ENTRY(entryPtr, offset); + while (*entryPtr != NULL) { if (*NEXT_ENTRY(entryPtr, offset) == NULL) { Tcl_AppendStringsToObj(resultPtr, (count > 0 ? "," : ""), " or ", *entryPtr, NULL); - } else { + } else if (**entryPtr) { Tcl_AppendStringsToObj(resultPtr, ", ", *entryPtr, NULL); + count++; } + entryPtr = NEXT_ENTRY(entryPtr, offset); } } Tcl_SetObjResult(interp, resultPtr); |