Contents of /tags/mkinitrd-6_1_2/busybox/libbb/ask_confirmation.c
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Mon May 4 17:23:09 2009 UTC (15 years, 4 months ago) by niro
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Mon May 4 17:23:09 2009 UTC (15 years, 4 months ago) by niro
File MIME type: text/plain
File size: 723 byte(s)
tagged 'mkinitrd-6_1_2'
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 tarball for details. |
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 | |
14 | #include "libbb.h" |
15 | |
16 | int FAST_FUNC bb_ask_confirmation(void) |
17 | { |
18 | int retval = 0; |
19 | int first = 1; |
20 | int c; |
21 | |
22 | while (((c = getchar()) != EOF) && (c != '\n')) { |
23 | /* Make sure we get the actual function call for isspace, |
24 | * as speed is not critical here. */ |
25 | if (first && !(isspace)(c)) { |
26 | --first; |
27 | if ((c == 'y') || (c == 'Y')) { |
28 | ++retval; |
29 | } |
30 | } |
31 | } |
32 | |
33 | return retval; |
34 | } |