diff options
Diffstat (limited to 'src/shared/dns-domain.h')
| -rw-r--r-- | src/shared/dns-domain.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/shared/dns-domain.h b/src/shared/dns-domain.h index c68f1945e1..44a9975541 100644 --- a/src/shared/dns-domain.h +++ b/src/shared/dns-domain.h @@ -31,6 +31,9 @@ /* Worst case length of a single label, with all escaping applied and room for a trailing NUL byte. */ #define DNS_LABEL_ESCAPED_MAX (DNS_LABEL_MAX*4+1) +/* Maximum length of a full hostname, consisting of a series of unescaped labels, and no trailing dot or NUL byte */ +#define DNS_HOSTNAME_MAX 253 + int dns_label_unescape(const char **name, char *dest, size_t sz); int dns_label_unescape_suffix(const char *name, const char **label_end, char *dest, size_t sz); int dns_label_escape(const char *p, size_t l, char *dest, size_t sz); |