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Issue #28549: Fixed segfault in curses's addch() with ncurses6.

This commit is contained in:
Serhiy Storchaka 2016-10-30 22:53:09 +02:00
parent 2f4453eff8 0bcd89b859
commit a0d9c685d0
2 changed files with 11 additions and 8 deletions
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2
Misc/NEWS
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@ -30,6 +30,8 @@ Core and Builtins
Library
-------
- Issue #28549: Fixed segfault in curses's addch() with ncurses6.
- Issue #28449: tarfile.open() with mode "r" or "r:" now tries to open a tar
file with compression before trying to open it without compression. Otherwise
it had 50% chance failed with ignore_zeros=True.

17
Modules/_cursesmodule.c
View File

@ -280,7 +280,7 @@ static int
PyCurses_ConvertToCchar_t(PyCursesWindowObject *win, PyObject *obj,
chtype *ch
#ifdef HAVE_NCURSESW
, cchar_t *wch
, wchar_t *wch
#endif
)
{
@ -298,8 +298,7 @@ PyCurses_ConvertToCchar_t(PyCursesWindowObject *win, PyObject *obj,
PyUnicode_GET_LENGTH(obj));
return 0;
}
memset(wch->chars, 0, sizeof(wch->chars));
wch->chars[0] = buffer[0];
*wch = buffer[0];
return 2;
#else
return PyCurses_ConvertToChtype(win, obj, ch);
@ -597,7 +596,8 @@ curses_window_addch_impl(PyCursesWindowObject *self, int group_left_1, int y,
int type;
chtype cch;
#ifdef HAVE_NCURSESW
cchar_t wch;
wchar_t wstr[2];
cchar_t wcval;
#endif
const char *funcname;
@ -605,14 +605,15 @@ curses_window_addch_impl(PyCursesWindowObject *self, int group_left_1, int y,
attr = A_NORMAL;
#ifdef HAVE_NCURSESW
type = PyCurses_ConvertToCchar_t(cwself, ch, &cch, &wch);
type = PyCurses_ConvertToCchar_t(cwself, ch, &cch, wstr);
if (type == 2) {
funcname = "add_wch";
wch.attr = attr;
wstr[1] = L'\0';
setcchar(&wcval, wstr, attr, 0, NULL);
if (coordinates_group)
rtn = mvwadd_wch(cwself->win,y,x, &wch);
rtn = mvwadd_wch(cwself->win,y,x, &wcval);
else {
rtn = wadd_wch(cwself->win, &wch);
rtn = wadd_wch(cwself->win, &wcval);
}
}
else