diff options
Diffstat (limited to 'lib/frrstr.c')
| -rw-r--r-- | lib/frrstr.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/frrstr.c b/lib/frrstr.c index d003590ba6..715e67b868 100644 --- a/lib/frrstr.c +++ b/lib/frrstr.c @@ -78,6 +78,9 @@ char *frrstr_join(const char **parts, int argc, const char *join) size_t len = 0; size_t joinlen = join ? strlen(join) : 0; + if (!argc) + return NULL; + for (i = 0; i < argc; i++) len += strlen(parts[i]); len += argc * joinlen + 1; @@ -158,3 +161,11 @@ bool begins_with(const char *str, const char *prefix) return strncmp(str, prefix, lenprefix) == 0; } + +int all_digit(const char *str) +{ + for (; *str != '\0'; str++) + if (!isdigit((int)*str)) + return 0; + return 1; +} |