46340e398
Denis Vlasenko
2007-08-03
Subject
less: add a bit more robustness in keyboard reading code
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miscutils/less.c+3 -1
| @@ -699,10 +699,11 @@ static int less_getch(void) | |
| char input[16]; | |
| unsigned i; | |
| again: | |
| + | memset(input, 0, sizeof(input)); |
| getch_nowait(input, sizeof(input)); | |
| + | |
| /* Detect escape sequences (i.e. arrow keys) and handle | |
| * them accordingly */ | |
| - | |
| if (input[0] == '\033' && input[1] == '[') { | |
| set_tty_cooked(); | |
| i = input[2] - REAL_KEY_UP; | |
| @@ -740,6 +741,7 @@ static char* less_gets(int sz) | |
| * but it is needed. Is it because of stdio? */ | |
| tcsetattr(kbd_fd, TCSANOW, &term_less); | |
| + | c = '\0'; |
| read(kbd_fd, &c, 1); | |
| if (c == 0x0d) | |
| return result; | |