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inet_aton doesn't overwrite the IP address unless it is valid.

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This commit is contained in:
Michael Brown 2005-04-30 13:50:34 +00:00
parent 55ae308821
commit 903ddd9878
1 changed files with 7 additions and 5 deletions
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12
src/core/misc.c
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@ -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)