diff options
author | Wang Shilong <wangsl.fnst@cn.fujitsu.com> | 2013-09-18 16:27:35 +0800 |
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committer | Chris Mason <chris.mason@fusionio.com> | 2013-10-16 08:22:26 -0400 |
commit | 39813fb7ac3e622b25f27dcd78e98242e121011e (patch) | |
tree | 88a5099b7c8b89bbab9f1a3c09e0308d69a920b8 /utils.c | |
parent | 77801d34d02e04ea4d5344415015a2ce84e0b653 (diff) |
Btrfs-progs: move ask_user() to utils.c
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'utils.c')
-rw-r--r-- | utils.c | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -1957,3 +1957,21 @@ int is_vol_small(char *file) return 0; } } + +/* + * This reads a line from the stdin and only returns non-zero if the + * first whitespace delimited token is a case insensitive match with yes + * or y. + */ +int ask_user(char *question) +{ + char buf[30] = {0,}; + char *saveptr = NULL; + char *answer; + + printf("%s [y/N]: ", question); + + return fgets(buf, sizeof(buf) - 1, stdin) && + (answer = strtok_r(buf, " \t\n\r", &saveptr)) && + (!strcasecmp(answer, "yes") || !strcasecmp(answer, "y")); +} |