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| author | Michael Brown | 2005-04-30 15:50:34 +0200 |
|---|---|---|
| committer | Michael Brown | 2005-04-30 15:50:34 +0200 |
| commit | 903ddd98785ca091a8995db4e69a722855ebd337 (patch) | |
| tree | 5727eed5de0803da7ccb7c6fbe0c21655b4c88c8 /src/core | |
| parent | Protocols also take a pointer to a sockaddr_in. (diff) | |
| download | ipxe-903ddd98785ca091a8995db4e69a722855ebd337.tar.gz ipxe-903ddd98785ca091a8995db4e69a722855ebd337.tar.xz ipxe-903ddd98785ca091a8995db4e69a722855ebd337.zip | |
inet_aton doesn't overwrite the IP address unless it is valid.
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/misc.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/core/misc.c b/src/core/misc.c index 0fe6cb47d..22930fcf0 100644 --- a/src/core/misc.c +++ b/src/core/misc.c @@ -146,9 +146,8 @@ int strcasecmp(const char *a, const char *b) /************************************************************************** INET_ATON - Convert an ascii x.x.x.x to binary form **************************************************************************/ -int inet_aton(const char *start, in_addr *i) -{ - const char *p = start; +int inet_aton ( const char *cp, struct in_addr *inp ) { + const char *p = cp; const char *digits_start; unsigned long ip = 0; unsigned long val; @@ -160,8 +159,11 @@ int inet_aton(const char *start, in_addr *i) if ( ( j < 3 ) && ( *(p++) != '.' ) ) return 0; ip = (ip << 8) | val; } - i->s_addr = htonl(ip); - return p - start; + if ( *p == '\0' ) { + inp->s_addr = htonl(ip); + return 1; + } + return 0; } unsigned long strtoul(const char *p, const char **endp, int base) |