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provide the symbols sethostent.c in libc is missing.

This commit is contained in:
christos 2013-08-25 08:46:34 +00:00
parent 866b7671df
commit 5f8c91aab5
1 changed files with 26 additions and 21 deletions
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47
distrib/utils/libhack/gethost.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: gethost.c,v 1.9 2013/08/20 15:44:17 christos Exp $ */
/* $NetBSD: gethost.c,v 1.10 2013/08/25 08:46:34 christos Exp $ */
/*-
* Copyright (c) 1985, 1988, 1993
@ -87,11 +87,11 @@ static struct hostent host;
static char *host_aliases[MAXALIASES];
static char hostbuf[BUFSIZ+1];
static struct in_addr host_addr;
static FILE *hostf = NULL;
static int stayopen = 0;
void _sethtent(int);
void _endhtent(void);
FILE *_h_file = NULL;
void sethostent_r(FILE **);
void endhostent_r(FILE **);
struct hostent *_gethtent(void);
struct hostent *_gethtbyname(const char *);
struct hostent *_gethtbyaddr(const void *, socklen_t, int);
@ -166,21 +166,20 @@ gethostbyaddr(const void *addr, socklen_t len, int type)
}
void
_sethtent(int f)
sethostent_r(FILE **hf)
{
if (hostf == NULL)
hostf = fopen(_PATH_HOSTS, "r" );
if (*hf == NULL)
*hf = fopen(_PATH_HOSTS, "r");
else
rewind(hostf);
stayopen = f;
rewind(*hf);
}
void
_endhtent(void)
endhostent_r(FILE **hf)
{
if (hostf && !stayopen) {
(void) fclose(hostf);
hostf = NULL;
if (*hf) {
(void)fclose(*hf);
*hf = NULL;
}
}
@ -190,10 +189,10 @@ _gethtent(void)
char *p;
char *cp, **q;
if (hostf == NULL && (hostf = fopen(_PATH_HOSTS, "r" )) == NULL)
if (_h_file == NULL && (_h_file = fopen(_PATH_HOSTS, "r" )) == NULL)
return NULL;
again:
if ((p = fgets(hostbuf, BUFSIZ, hostf)) == NULL)
if ((p = fgets(hostbuf, BUFSIZ, _h_file)) == NULL)
return NULL;
if (*p == '#')
goto again;
@ -239,8 +238,11 @@ _gethtbyname(const char *name)
{
struct hostent *p;
char **cp;
FILE *hf = NULL;
_sethtent(0);
sethostent_r(&hf);
if (hf == NULL)
return NULL;
while ((p = _gethtent()) != NULL) {
if (strcasecmp(p->h_name, name) == 0)
break;
@ -249,7 +251,7 @@ _gethtbyname(const char *name)
goto found;
}
found:
_endhtent();
endhostent_r(&hf);
if (p == NULL)
h_errno = HOST_NOT_FOUND;
return p;
@ -259,12 +261,15 @@ struct hostent *
_gethtbyaddr(const void *addr, socklen_t len, int type)
{
struct hostent *p;
_sethtent(0);
FILE *hf = NULL;
sethostent_r(&hf);
if (hf == NULL)
return NULL;
while ((p = _gethtent()) != NULL)
if (p->h_addrtype == type && !memcmp(p->h_addr, addr, len))
break;
_endhtent();
endhostent_r(&hf);
if (p == NULL)
h_errno = HOST_NOT_FOUND;
return p;