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author | Anand Jain <anand.jain@oracle.com> | 2015-10-10 22:30:56 +0800 |
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committer | David Sterba <dsterba@suse.com> | 2015-11-02 09:35:03 +0100 |
commit | 3b879467b11ee727bba93969868beeefa72a097d (patch) | |
tree | 72e1412b66bdc24d013fa8fe84bb3bcb29c5a406 /utils.c | |
parent | 8a9c9adbe5a96ceb34989e77ef407d48f488ccd0 (diff) |
btrfs-progs: move is_numerical() helper to utils and rename
Signed-off-by: Anand Jain <anand.jain@oracle.com>
[ moved to util.c and renamed ]
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'utils.c')
-rw-r--r-- | utils.c | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -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; +} |