| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * bb_ask_confirmation implementation for busybox |
| 4 | * |
| 5 | * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> |
| 6 | * |
| 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
| 8 | */ |
| 9 | |
| 10 | /* Read a line from stdin. If the first non-whitespace char is 'y' or 'Y', |
| 11 | * return 1. Otherwise return 0. |
| 12 | */ |
| 13 | #include "libbb.h" |
| 14 | |
| 15 | int FAST_FUNC bb_ask_confirmation(void) |
| 16 | { |
| 17 | char first = 0; |
| 18 | int c; |
| 19 | |
| 20 | while (((c = getchar()) != EOF) && (c != '\n')) { |
| 21 | if (first == 0 && !isblank(c)) { |
| 22 | first = c|0x20; |
| 23 | } |
| 24 | } |
| 25 | |
| 26 | return first == 'y'; |
| 27 | } |