diff options
Diffstat (limited to 'mbbsd/screen.c')
| -rw-r--r-- | mbbsd/screen.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/mbbsd/screen.c b/mbbsd/screen.c index 88696f8a..ffd5029b 100644 --- a/mbbsd/screen.c +++ b/mbbsd/screen.c @@ -53,8 +53,12 @@ resizeterm(int w, int h) void move(int y, int x) { - assert(y>=0); - assert(x>=0); + if (y < 0) y = 0; + if (y >= t_lines) y = t_lines -1; + if (x < 0) x = 0; + if (x >= ANSILINELEN) x = ANSILINELEN -1; + // assert(y>=0); + // assert(x>=0); cur_col = x; cur_ln = y; } @@ -64,6 +68,11 @@ move_ansi(int y, int x) { // take ANSI length in consideration register screenline_t *slp; + if (y < 0) y = 0; + if (y >= t_lines) y = t_lines -1; + if (x < 0) x = 0; + if (x >= ANSILINELEN) x = ANSILINELEN -1; + cur_ln = y; cur_col = x; @@ -385,6 +394,10 @@ outc(unsigned char c) register screenline_t *slp = GetCurrentLine(); register int i; + // 0xFF is invalid for most cases (even DBCS), + if (c == 0xFF || c == 0x00) + return; + if (c == '\n' || c == '\r') { if (standing) { slp->eso = MAX(slp->eso, cur_col); |