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| author | Ulrich Drepper <drepper@redhat.com> | 1999-04-29 16:26:38 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-04-29 16:26:38 +0000 |
| commit | 61fab08af7b72e4ddb346a059d279d719e059b9e (patch) | |
| tree | e9dacf8b549a13536fcf44f548b9bfa31c436f2e /resolv/inet_pton.c | |
| parent | 554b88001829abe401ccc81ca9ab41dcac5e74eb (diff) | |
| download | glibc-61fab08af7b72e4ddb346a059d279d719e059b9e.zip glibc-61fab08af7b72e4ddb346a059d279d719e059b9e.tar.gz glibc-61fab08af7b72e4ddb346a059d279d719e059b9e.tar.bz2 | |
Update.
* resolv/inet_pton.c (inet_pton4): Little optimizations.
(inet_pton6): Likewise.
Diffstat (limited to 'resolv/inet_pton.c')
| -rw-r--r-- | resolv/inet_pton.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/resolv/inet_pton.c b/resolv/inet_pton.c index 7f8370d..d9e1f1d 100644 --- a/resolv/inet_pton.c +++ b/resolv/inet_pton.c @@ -81,7 +81,6 @@ inet_pton4(src, dst) const char *src; u_char *dst; { - static const char digits[] = "0123456789"; int saw_digit, octets, ch; u_char tmp[INADDRSZ], *tp; @@ -89,10 +88,9 @@ inet_pton4(src, dst) octets = 0; *(tp = tmp) = 0; while ((ch = *src++) != '\0') { - const char *pch; - if ((pch = strchr(digits, ch)) != NULL) { - u_int new = *tp * 10 + (pch - digits); + if (ch >= '0' && ch <= '9') { + u_int new = *tp * 10 + (ch - '0'); if (new > 255) return (0); @@ -136,14 +134,13 @@ inet_pton6(src, dst) const char *src; u_char *dst; { - static const char xdigits_l[] = "0123456789abcdef", - xdigits_u[] = "0123456789ABCDEF"; + static const char xdigits[] = "0123456789abcdef"; u_char tmp[IN6ADDRSZ], *tp, *endp, *colonp; - const char *xdigits, *curtok; + const char *curtok; int ch, saw_xdigit; u_int val; - memset((tp = tmp), '\0', IN6ADDRSZ); + tp = memset(tmp, '\0', IN6ADDRSZ); endp = tp + IN6ADDRSZ; colonp = NULL; /* Leading :: requires some special handling. */ @@ -153,11 +150,10 @@ inet_pton6(src, dst) curtok = src; saw_xdigit = 0; val = 0; - while ((ch = *src++) != '\0') { + while ((ch = tolower (*src++)) != '\0') { const char *pch; - if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL) - pch = strchr((xdigits = xdigits_u), ch); + pch = strchr(xdigits, ch); if (pch != NULL) { val <<= 4; val |= (pch - xdigits); |