e1a1b64f4
Denys Vlasenko
2019-04-03
Subject
vi: code shrink
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Commit Diff GitHub →
editors/vi.c+12 -7
| @@ -722,20 +722,25 @@ static void screen_erase(void) | |
| memset(screen, ' ', screensize); // clear new screen | |
| } | |
| - | static char *new_screen(int ro, int co) |
| + | static void new_screen(int ro, int co) |
| { | |
| - | int li; |
| + | char *s; |
| free(screen); | |
| screensize = ro * co + 8; | |
| - | screen = xmalloc(screensize); |
| + | s = screen = xmalloc(screensize); |
| // initialize the new screen. assume this will be a empty file. | |
| screen_erase(); | |
| - | // non-existent text[] lines start with a tilde (~). |
| - | for (li = 1; li < ro - 1; li++) { |
| - | screen[(li * co) + 0] = '~'; |
| + | // non-existent text[] lines start with a tilde (~). |
| + | //screen[(1 * co) + 0] = '~'; |
| + | //screen[(2 * co) + 0] = '~'; |
| + | //.. |
| + | //screen[((ro-2) * co) + 0] = '~'; |
| + | ro -= 2; |
| + | while (--ro >= 0) { |
| + | s += co; |
| + | *s = '~'; |
| } | |
| - | return screen; |
| } | |
| //----- Synchronize the cursor to Dot -------------------------- | |