diff options
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; +} |