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| author | Brian Pane <brianp@apache.org> | 2002-05-05 05:48:28 +0000 |
|---|---|---|
| committer | Brian Pane <brianp@apache.org> | 2002-05-05 05:48:28 +0000 |
| commit | e31a841e9bee64e4f15390ef2ac89c645e64226e (patch) | |
| tree | 9333926ba20833e747f45190140812e8a2d461d4 /network_io | |
| parent | f42023d676ccac122e56495777bd61f05d0ada36 (diff) | |
| download | apr-e31a841e9bee64e4f15390ef2ac89c645e64226e.tar.gz | |
Some performance fixes for inet_ntop6()
git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@63358 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'network_io')
| -rw-r--r-- | network_io/unix/inet_ntop.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/network_io/unix/inet_ntop.c b/network_io/unix/inet_ntop.c index e9ad74720..59e9cac07 100644 --- a/network_io/unix/inet_ntop.c +++ b/network_io/unix/inet_ntop.c @@ -150,15 +150,23 @@ inet_ntop6(const unsigned char *src, char *dst, apr_size_t size) struct { int base, len; } best, cur; unsigned int words[IN6ADDRSZ / INT16SZ]; int i; + const unsigned char *next_src, *src_end; + unsigned int *next_dest; /* * Preprocess: * Copy the input (bytewise) array into a wordwise array. * Find the longest run of 0x00's in src[] for :: shorthanding. */ - memset(words, '\0', sizeof words); - for (i = 0; i < IN6ADDRSZ; i++) - words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3)); + next_src = src; + src_end = src + IN6ADDRSZ; + next_dest = words; + do { + unsigned int next_word = (unsigned int)*next_src++; + next_word <<= 8; + next_word |= (unsigned int)*next_src++; + *next_dest++ = next_word; + } while (next_src < src_end); best.base = -1; cur.base = -1; for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) { |