Mercurial > hg > nnchat
comparison ui.c @ 576:414d11df07ce
Gracefully handle error situations when the main UI has not yet been
initialized properly.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sun, 30 Dec 2012 08:12:38 +0200 |
| parents | 3ae357fd34bb |
| children | 97a49a6cc959 |
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| 575:cc1c68737227 | 576:414d11df07ce |
|---|---|
| 251 | 251 |
| 252 int nnwin_print(nn_window_t *win, const char *fmt) | 252 int nnwin_print(nn_window_t *win, const char *fmt) |
| 253 { | 253 { |
| 254 const char *s = fmt; | 254 const char *s = fmt; |
| 255 int col = 0; | 255 int col = 0; |
| 256 | |
| 257 if (win == NULL) | |
| 258 return -16; | |
| 256 | 259 |
| 257 while (*s) | 260 while (*s) |
| 258 { | 261 { |
| 259 if (win->line == NULL) | 262 if (win->line == NULL) |
| 260 { | 263 { |