diff options
Diffstat (limited to 'resolv/inet_addr.c')
| -rw-r--r-- | resolv/inet_addr.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/resolv/inet_addr.c b/resolv/inet_addr.c index 2a15067..01a38e6 100644 --- a/resolv/inet_addr.c +++ b/resolv/inet_addr.c @@ -66,10 +66,6 @@ static char rcsid[] = "$Id$"; /* these are compatibility routines, not needed on recent BSD releases */ -#ifndef NEED_INETADDR -int __inet_addr_unneeded__; -#else - /* * Ascii internet address interpretation routine. * The value returned is in network order. @@ -84,11 +80,6 @@ inet_addr(cp) return (val.s_addr); return (INADDR_NONE); } -#endif /*NEED_INETADDR*/ - -#ifndef NEED_INETATON -int __inet_aton_unneeded__; -#else /* * Check whether "cp" is a valid ascii representation @@ -113,8 +104,10 @@ inet_aton(cp, addr) /* * Collect number up to ``.''. * Values are specified as for C: - * 0x=hex, 0=octal, other=decimal. + * 0x=hex, 0=octal, isdigit=decimal. */ + if (!isdigit(c)) + return (0); val = 0; base = 10; if (c == '0') { c = *++cp; @@ -123,7 +116,7 @@ inet_aton(cp, addr) else base = 8; } - while (c != '\0') { + for (;;) { if (isascii(c) && isdigit(c)) { val = (val * base) + (c - '0'); c = *++cp; @@ -141,7 +134,7 @@ inet_aton(cp, addr) * a.b.c (with c treated as 16 bits) * a.b (with b treated as 24 bits) */ - if (pp >= parts + 3 || val > 0xff) + if (pp >= parts + 3) return (0); *pp++ = val; c = *++cp; @@ -151,7 +144,7 @@ inet_aton(cp, addr) /* * Check for trailing characters. */ - if (c && (!isascii(c) || (!isspace(c) && !ispunct(c)))) + if (c != '\0' && (!isascii(c) || !isspace(c))) return (0); /* * Concoct the address according to @@ -188,4 +181,3 @@ inet_aton(cp, addr) addr->s_addr = htonl(val); return (1); } -#endif /*NEED_INETATON*/ |