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Fix Fl_Browser if text argument to some methods is NULL (STR #3269).

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Fl_Browser::add(), Fl_Browser::insert(), and Fl_Browser::text() didn't
test if the provided text argument was NULL, although this was explicitly
allowed in the documentation.

Also applied some minor documentation fixes.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10966 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Albrecht Schlosser 2015-12-15 10:16:56 +00:00
parent dd8c33b19a
commit 14669685d8
2 changed files with 5 additions and 2 deletions
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1
CHANGES
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@ -59,6 +59,7 @@ CHANGES IN FLTK 1.3.4 RELEASED: ??? ?? ????
Bug fixes
- Fix Fl_Browser if text argument to some methods is NULL (STR #3269).
- Fixed missing image release in fluid (STR #2840).
- Fixed out-of-bounds memory access in fluid (STR #3263).
- fluid doesn't output trailing white space in .fl files after

6
src/Fl_Browser.cxx
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@ -80,7 +80,7 @@ void* Fl_Browser::item_next(void* item) const {return ((FL_BLINE*)item)->next;}
/**
Returns the previous item before \p item.
\param[in] item The 'current' item
\returns The previous item before \p item, or NULL if there none before this one.
\returns The previous item before \p item, or NULL if there are none before this one.
\see item_first(), item_last(), item_next(), item_prev()
*/
void* Fl_Browser::item_prev(void* item) const {return ((FL_BLINE*)item)->prev;}
@ -284,6 +284,7 @@ void Fl_Browser::insert(int line, FL_BLINE* item) {
\param[in] d Optional pointer to user data to be associated with the new line.
*/
void Fl_Browser::insert(int line, const char* newtext, void* d) {
if (!newtext) newtext = ""; // STR #3269
int l = (int) strlen(newtext);
FL_BLINE* t = (FL_BLINE*)malloc(sizeof(FL_BLINE)+l);
t->length = (short)l;
@ -319,6 +320,7 @@ void Fl_Browser::move(int to, int from) {
void Fl_Browser::text(int line, const char* newtext) {
if (line < 1 || line > lines) return;
FL_BLINE* t = find_line(line);
if (!newtext) newtext = ""; // STR #3269
int l = (int) strlen(newtext);
if (l > t->length) {
FL_BLINE* n = (FL_BLINE*)malloc(sizeof(FL_BLINE)+l);
@ -789,7 +791,7 @@ int Fl_Browser::visible(int line) const {
}
/**
Returns the line number of the currently selected line, or 0 if none.
Returns the line number of the currently selected line, or 0 if none selected.
\returns The line number of current selection, or 0 if none selected.
\see select(), selected(), value(), item_select(), item_selected()
*/