From 3b879467b11ee727bba93969868beeefa72a097d Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Sat, 10 Oct 2015 22:30:56 +0800 Subject: btrfs-progs: move is_numerical() helper to utils and rename Signed-off-by: Anand Jain [ moved to util.c and renamed ] Signed-off-by: David Sterba --- utils.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'utils.c') diff --git a/utils.c b/utils.c index 6f5df23c..39ca9275 100644 --- a/utils.c +++ b/utils.c @@ -3077,3 +3077,14 @@ unsigned int get_unit_mode_from_arg(int *argc, char *argv[], int df_mode) return unit_mode; } + +int string_is_numerical(const char *str) +{ + if (!(*str >= '0' && *str <= '9')) + return 0; + while (*str >= '0' && *str <= '9') + str++; + if (*str != '\0') + return 0; + return 1; +} -- cgit v1.2.3