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Imported Upstream version 1.4.15

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This commit is contained in:
Jan Wagner 2013-11-26 23:57:29 +01:00
parent 882cdeecca
commit 047baae1ca
386 changed files with 60019 additions and 38317 deletions
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92
gl/inet_ntop.c
View file

@ -1,6 +1,6 @@
/* inet_ntop.c -- convert IPv4 and IPv6 addresses from binary to text form
Copyright (C) 2005, 2006, 2008 Free Software Foundation, Inc.
Copyright (C) 2005-2006, 2008-2010 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -42,10 +42,6 @@
#include <string.h>
#include <errno.h>
#ifndef EAFNOSUPPORT
# define EAFNOSUPPORT EINVAL
#endif
#define NS_IN6ADDRSZ 16
#define NS_INT16SZ 2
@ -63,15 +59,15 @@ static const char *inet_ntop6 (const unsigned char *src, char *dst, socklen_t si
/* char *
* inet_ntop(af, src, dst, size)
* convert a network format address to presentation format.
* convert a network format address to presentation format.
* return:
* pointer to presentation format address (`dst'), or NULL (see errno).
* pointer to presentation format address (`dst'), or NULL (see errno).
* author:
* Paul Vixie, 1996.
* Paul Vixie, 1996.
*/
const char *
inet_ntop (int af, const void *restrict src,
char *restrict dst, socklen_t cnt)
char *restrict dst, socklen_t cnt)
{
switch (af)
{
@ -94,14 +90,14 @@ inet_ntop (int af, const void *restrict src,
/* const char *
* inet_ntop4(src, dst, size)
* format an IPv4 address
* format an IPv4 address
* return:
* `dst' (as a const)
* `dst' (as a const)
* notes:
* (1) uses no statics
* (2) takes a u_char* not an in_addr as input
* (1) uses no statics
* (2) takes a u_char* not an in_addr as input
* author:
* Paul Vixie, 1996.
* Paul Vixie, 1996.
*/
static const char *
inet_ntop4 (const unsigned char *src, char *dst, socklen_t size)
@ -126,9 +122,9 @@ inet_ntop4 (const unsigned char *src, char *dst, socklen_t size)
/* const char *
* inet_ntop6(src, dst, size)
* convert IPv6 binary address into presentation (printable) format
* convert IPv6 binary address into presentation (printable) format
* author:
* Paul Vixie, 1996.
* Paul Vixie, 1996.
*/
static const char *
inet_ntop6 (const unsigned char *src, char *dst, socklen_t size)
@ -161,26 +157,26 @@ inet_ntop6 (const unsigned char *src, char *dst, socklen_t size)
for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++)
{
if (words[i] == 0)
{
if (cur.base == -1)
cur.base = i, cur.len = 1;
else
cur.len++;
}
{
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;
cur.base = -1;
}
}
}
if (cur.base != -1)
{
if (best.base == -1 || cur.len > best.len)
best = cur;
best = cur;
}
if (best.base != -1 && best.len < 2)
best.base = -1;
@ -193,28 +189,28 @@ inet_ntop6 (const unsigned char *src, char *dst, socklen_t size)
{
/* 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)
*tp++ = ':';
continue;
}
{
if (i == best.base)
*tp++ = ':';
continue;
}
/* Are we following an initial run of 0x00s or any real hex? */
if (i != 0)
*tp++ = ':';
*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;
}
(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;
}
{
int len = sprintf (tp, "%x", words[i]);
if (len < 0)
return NULL;
tp += len;
int len = sprintf (tp, "%x", words[i]);
if (len < 0)
return NULL;
tp += len;
}
}
/* Was it a trailing run of 0x00's? */