cadey
/
elemental-ircd
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

no need for inetntop* now - removed

This commit is contained in:
Valery Yatsko 2008-04-20 08:57:25 +04:00
parent 9879cd59a6
commit 928ce024f4
1 changed files with 0 additions and 140 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

140
src/irc_string.c
View File

@ -197,146 +197,6 @@ strtoken(char **save, char *str, const char *fs)
#define SPRINTF(x) ((size_t)rb_sprintf x)
/*
* WARNING: Don't even consider trying to compile this on a system where
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/
static const char *inet_ntop4(const u_char * src, char *dst, unsigned int size);
#ifdef RB_IPV6
static const char *inet_ntop6(const u_char * src, char *dst, unsigned int size);
#endif
/* const char *
* inet_ntop4(src, dst, size)
* format an IPv4 address
* return:
* `dst' (as a const)
* notes:
* (1) uses no statics
* (2) takes a u_char* not an in_addr as input
* author:
* Paul Vixie, 1996.
*/
static const char *
inet_ntop4(const unsigned char *src, char *dst, unsigned int size)
{
if(size < 16)
return NULL;
return strcpy(dst, inetntoa((const char *) src));
}
/* const char *
* inet_ntop6(src, dst, size)
* convert IPv6 binary address into presentation (printable) format
* author:
* Paul Vixie, 1996.
*/
#ifdef RB_IPV6
static const char *
inet_ntop6(const unsigned char *src, char *dst, unsigned int size)
{
/*
* Note that int32_t and int16_t need only be "at least" large enough
* to contain a value of the specified size. On some systems, like
* Crays, there is no such thing as an integer variable with 16 bits.
* Keep this in mind if you think this function should have been coded
* to use pointer overlays. All the world's not a VAX.
*/
char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
struct
{
int base, len;
}
best, cur;
u_int words[IN6ADDRSZ / INT16SZ];
int i;
/*
* 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 += 2)
words[i / 2] = (src[i] << 8) | src[i + 1];
best.base = -1;
cur.base = -1;
for(i = 0; i < (IN6ADDRSZ / INT16SZ); i++)
{
if(words[i] == 0)
{
if(cur.base == -1)
cur.base = i, cur.len = 1;
else
cur.len++;
}
else
{
if(cur.base != -1)
{
if(best.base == -1 || cur.len > best.len)
best = cur;
cur.base = -1;
}
}
}
if(cur.base != -1)
{
if(best.base == -1 || cur.len > best.len)
best = cur;
}
if(best.base != -1 && best.len < 2)
best.base = -1;
/*
* Format the result.
*/
tp = tmp;
for(i = 0; i < (IN6ADDRSZ / INT16SZ); i++)
{
/* Are we inside the best run of 0x00's? */
if(best.base != -1 && i >= best.base && i < (best.base + best.len))
{
if(i == best.base)
{
if(i == 0)
*tp++ = '0';
*tp++ = ':';
}
continue;
}
/* Are we following an initial run of 0x00s or any real hex? */
if(i != 0)
*tp++ = ':';
/* Is this address an encapsulated IPv4? */
if(i == 6 && best.base == 0 &&
(best.len == 6 || (best.len == 5 && words[5] == 0xffff)))
{
if(!inet_ntop4(src + 12, tp, sizeof tmp - (tp - tmp)))
return (NULL);
tp += strlen(tp);
break;
}
tp += SPRINTF((tp, "%x", words[i]));
}
/* Was it a trailing run of 0x00's? */
if(best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ))
*tp++ = ':';
*tp++ = '\0';
/*
* Check for overflow, copy, and we're done.
*/
if((unsigned int) (tp - tmp) > size)
{
return (NULL);
}
return strcpy(dst, tmp);
}
#endif
char *
strip_colour(char *string)
{