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| author | Amerigo Wang <amwang@redhat.com> | 2012-10-12 01:06:17 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-10-12 21:56:52 +0400 |
| commit | 93ac0ef016a1b223d23fbb5e0397cab75a8f7d34 (patch) | |
| tree | c5e4199d447064d4da2b4e786b94469332444eaa /net/core | |
| parent | 28194fcdc150e4d5b418d01db3c29058f60ef32c (diff) | |
| download | linux-93ac0ef016a1b223d23fbb5e0397cab75a8f7d34.tar.xz | |
net: add doc for in4_pton()
It is not easy to use in4_pton() correctly without reading
its definition, so add some doc for it.
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/utils.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/core/utils.c b/net/core/utils.c index 30f3879faecc..e3487e461939 100644 --- a/net/core/utils.c +++ b/net/core/utils.c @@ -107,6 +107,18 @@ static inline int xdigit2bin(char c, int delim) return IN6PTON_UNKNOWN; } +/** + * in4_pton - convert an IPv4 address from literal to binary representation + * @src: the start of the IPv4 address string + * @srclen: the length of the string, -1 means strlen(src) + * @dst: the binary (u8[4] array) representation of the IPv4 address + * @delim: the delimiter of the IPv4 address in @src, -1 means no delimiter + * @end: A pointer to the end of the parsed string will be placed here + * + * Return one on success, return zero when any error occurs + * and @end will point to the end of the parsed string. + * + */ int in4_pton(const char *src, int srclen, u8 *dst, int delim, const char **end) |