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| author | ericm <ericm> | 2000-07-19 18:13:50 (GMT) |
|---|---|---|
| committer | ericm <ericm> | 2000-07-19 18:13:50 (GMT) |
| commit | e7cd40cc0f0f5789c010b121b8dc0c9b7f80e54f (patch) | |
| tree | 3f7b1efd707a71f1ecd8cba6f1118b095e88fdcd /generic/tkText.c | |
| parent | 2dce3fbb07574fe912dfdc63a2bc0db760ec3435 (diff) | |
| download | tk-e7cd40cc0f0f5789c010b121b8dc0c9b7f80e54f.zip tk-e7cd40cc0f0f5789c010b121b8dc0c9b7f80e54f.tar.gz tk-e7cd40cc0f0f5789c010b121b8dc0c9b7f80e54f.tar.bz2 | |
* generic/tkText.c (TextSearchCmd): Added a test for a NULL
segment pointer when doing backwards searches for "" on an empty
text widget. [Bug: 6007].
Diffstat (limited to 'generic/tkText.c')
| -rw-r--r-- | generic/tkText.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/generic/tkText.c b/generic/tkText.c index d92363b..f4ebda7 100644 --- a/generic/tkText.c +++ b/generic/tkText.c @@ -14,7 +14,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkText.c,v 1.14 2000/02/03 17:29:57 ericm Exp $ + * RCS: @(#) $Id: tkText.c,v 1.15 2000/07/19 18:13:50 ericm Exp $ */ #include "default.h" @@ -1955,10 +1955,14 @@ TextSearchCmd(textPtr, interp, argc, argv) * account for embedded windows or any other non-textual info. * Scan through the line's segments again to adjust both * matchChar and matchCount. + * + * We will walk through the segments of this line until we have + * either reached the end of the match or we have reached the end + * of the line. */ for (segPtr = linePtr->segPtr, leftToScan = matchByte; - leftToScan >= 0; segPtr = segPtr->nextPtr) { + leftToScan >= 0 && segPtr; segPtr = segPtr->nextPtr) { if (segPtr->typePtr != &tkTextCharType) { matchByte += segPtr->size; continue; |