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pty.o in libutil.a wants to call getgrent_r(), so provide a cheesy 

non-reentrant version here in order to avoid linker conflicts when
the rest of this file is attempted linked together with libc's
getgrent.o.

Reviewed by christos.
This commit is contained in:
he 2005-09-14 15:31:18 +00:00
parent a74b7aeaeb
commit ea19769e49
1 changed files with 29 additions and 1 deletions
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30
distrib/utils/libhack/getgrent.c
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@ -1,4 +1,4 @@
/* $NetBSD: getgrent.c,v 1.10 2005/04/01 13:11:12 he Exp $ */
/* $NetBSD: getgrent.c,v 1.11 2005/09/14 15:31:18 he Exp $ */
/*
* Copyright (c) 1989, 1991, 1993
@ -67,6 +67,7 @@
#define getgrent _getgrent
#define getgrgid _getgrgid
#define getgrnam _getgrnam
#define getgrnam_r _getgrnam_r
#define setgrent _setgrent
#define setgroupent _setgroupent
#define getgroupmembership _getgroupmembership
@ -75,6 +76,7 @@ __weak_alias(endgrent,_endgrent)
__weak_alias(getgrent,_getgrent)
__weak_alias(getgrgid,_getgrgid)
__weak_alias(getgrnam,_getgrnam)
__weak_alias(getgrnam_r,_getgrnam_r)
__weak_alias(setgrent,_setgrent)
__weak_alias(setgroupent,_setgroupent)
__weak_alias(getgroupmembership,_getgroupmembership)
@ -88,6 +90,7 @@ __weak_alias(getgroupmembership,_getgroupmembership)
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
static FILE *_gr_fp;
static struct group _gr_group;
@ -113,6 +116,31 @@ getgrent(void)
return &_gr_group;
}
int
getgrnam_r(const char *name, struct group *grp, char *buffer,
size_t buflen, struct group **result)
{
struct group *gp, *bgp;
/*
* We blatantly cheat (don't provide reentrancy)
* and hope to get away with it
*/
*result = NULL;
bgp = (struct group*)buffer;
if (buflen < sizeof(struct group))
return ENOMEM;
gp = getgrnam(name);
if (gp) {
*bgp = *gp;
*result = bgp;
}
return (gp) ? ENOENT : 0;
}
struct group *
getgrnam(const char *name)
{