diff options
Diffstat (limited to 'common/env_flags.c')
| -rw-r--r-- | common/env_flags.c | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/common/env_flags.c b/common/env_flags.c index 5189f5b..e682d85 100644 --- a/common/env_flags.c +++ b/common/env_flags.c @@ -187,6 +187,31 @@ static void skip_num(int hex, const char *value, const char **end, *end = value; } +#ifdef CONFIG_CMD_NET +int eth_validate_ethaddr_str(const char *addr) +{ + const char *end; + const char *cur; + int i; + + cur = addr; + for (i = 0; i < 6; i++) { + skip_num(1, cur, &end, 2); + if (cur == end) + return -1; + if (cur + 2 == end && is_hex_prefix(cur)) + return -1; + if (i != 5 && *end != ':') + return -1; + if (i == 5 && *end != '\0') + return -1; + cur = end + 1; + } + + return 0; +} +#endif + /* * Based on the declared type enum, validate that the value string complies * with that format @@ -239,19 +264,8 @@ static int _env_flags_validate_type(const char *value, } break; case env_flags_vartype_macaddr: - cur = value; - for (i = 0; i < 6; i++) { - skip_num(1, cur, &end, 2); - if (cur == end) - return -1; - if (cur + 2 == end && is_hex_prefix(cur)) - return -1; - if (i != 5 && *end != ':') - return -1; - if (i == 5 && *end != '\0') - return -1; - cur = end + 1; - } + if (eth_validate_ethaddr_str(value)) + return -1; break; #endif case env_flags_vartype_end: |