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Make _inp_edited() more robust

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This commit is contained in:
Dmitry Podgorny 2020-04-19 00:19:16 +03:00
parent a39e44ac1d
commit 1f0159de36
1 changed files with 8 additions and 1 deletions
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9
src/ui/inputwin.c
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@ -324,6 +324,10 @@ _inp_write(char *line, int offset)
static int static int
_inp_edited(const wint_t ch) _inp_edited(const wint_t ch)
{ {
// Use own state to be thread-safe with possible pthreads. C standard
// guarantees that initial value of the state will be zeroed buffer.
static mbstate_t mbstate;
// backspace // backspace
if (ch == 127) { if (ch == 127) {
return 1; return 1;
@ -341,7 +345,10 @@ _inp_edited(const wint_t ch)
// printable // printable
char bytes[MB_CUR_MAX+1]; char bytes[MB_CUR_MAX+1];
size_t utf_len = wcrtomb(bytes, ch, (mbstate_t*)NULL); size_t utf_len = wcrtomb(bytes, ch, &mbstate);
if (utf_len == (size_t)-1) {
return 0;
}
bytes[utf_len] = '\0'; bytes[utf_len] = '\0';
gunichar unichar = g_utf8_get_char(bytes); gunichar unichar = g_utf8_get_char(bytes);