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* grp.cc (getgrgid_r): Simplify code by using stpcpy. 

(getgrnam_r): Ditto.
	* passwd.cc (getpwuid_r32): Simplify code by using stpcpy.
	(getpwnam_r): Ditto.
This commit is contained in:
Corinna Vinschen 2009-01-26 13:20:46 +00:00
parent 93e884989a
commit b89fb103f2
3 changed files with 35 additions and 52 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2009-01-26 Corinna Vinschen <corinna@vinschen.de>
* grp.cc (getgrgid_r): Simplify code by using stpcpy.
(getgrnam_r): Ditto.
* passwd.cc (getpwuid_r32): Simplify code by using stpcpy.
(getpwnam_r): Ditto.
2009-01-26 Corinna Vinschen <corinna@vinschen.de>
* uinfo.cc (pwdgrp::load): Open file with FILE_OPEN_FOR_BACKUP_INTENT

36
winsup/cygwin/grp.cc
View File

@ -1,7 +1,7 @@
/* grp.cc
Copyright 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007 Red Hat, Inc.
2007, 2008, 2009 Red Hat, Inc.
Original stubs by Jason Molenda of Cygnus Support, crash@cygnus.com
First implementation by Gunther Ebert, gunther.ebert@ixos-leipzig.de
@ -195,20 +195,13 @@ getgrgid_r (__gid32_t gid, struct __group32 *grp, char *buffer, size_t bufsize,
/* make a copy of tempgr */
*result = grp;
grp->gr_gid = tempgr->gr_gid;
grp->gr_name = buffer;
grp->gr_passwd = grp->gr_name + strlen (tempgr->gr_name) + 1;
grp->gr_mem = (char **) (grp->gr_passwd + strlen (tempgr->gr_passwd) + 1);
char *mem = (char *) grp->gr_mem + (i + 1) * sizeof (char *);
buffer = stpcpy (grp->gr_name = buffer, tempgr->gr_name);
buffer = stpcpy (grp->gr_passwd = buffer + 1, tempgr->gr_passwd);
grp->gr_mem = (char **) (buffer + 1);
buffer = (char *) grp->gr_mem + (i + 1) * sizeof (char *);
for (i = 0; tempgr->gr_mem[i]; ++i)
{
grp->gr_mem[i] = mem;
mem += strlen (tempgr->gr_mem[i]) + 1;
}
buffer = stpcpy (grp->gr_mem[i] = buffer, tempgr->gr_mem[i]) + 1;
grp->gr_mem[i] = NULL;
strcpy (grp->gr_name, tempgr->gr_name);
strcpy (grp->gr_passwd, tempgr->gr_passwd);
for (i = 0; tempgr->gr_mem[i]; ++i)
strcpy (grp->gr_mem[i], tempgr->gr_mem[i]);
return 0;
}
@ -252,20 +245,13 @@ getgrnam_r (const char *nam, struct __group32 *grp, char *buffer,
/* make a copy of tempgr */
*result = grp;
grp->gr_gid = tempgr->gr_gid;
grp->gr_name = buffer;
grp->gr_passwd = grp->gr_name + strlen (tempgr->gr_name) + 1;
grp->gr_mem = (char **) (grp->gr_passwd + strlen (tempgr->gr_passwd) + 1);
char *mem = (char *) grp->gr_mem + (i + 1) * sizeof (char *);
buffer = stpcpy (grp->gr_name = buffer, tempgr->gr_name);
buffer = stpcpy (grp->gr_passwd = buffer + 1, tempgr->gr_passwd);
grp->gr_mem = (char **) (buffer + 1);
buffer = (char *) grp->gr_mem + (i + 1) * sizeof (char *);
for (i = 0; tempgr->gr_mem[i]; ++i)
{
grp->gr_mem[i] = mem;
mem += strlen (tempgr->gr_mem[i]) + 1;
}
buffer = stpcpy (grp->gr_mem[i] = buffer, tempgr->gr_mem[i]) + 1;
grp->gr_mem[i] = NULL;
strcpy (grp->gr_name, tempgr->gr_name);
strcpy (grp->gr_passwd, tempgr->gr_passwd);
for (i = 0; tempgr->gr_mem[i]; ++i)
strcpy (grp->gr_mem[i], tempgr->gr_mem[i]);
return 0;
}

44
winsup/cygwin/passwd.cc
View File

@ -1,6 +1,6 @@
/* passwd.cc: getpwnam () and friends
Copyright 1996, 1997, 1998, 2001, 2002, 2003, 2007 Red Hat, Inc.
Copyright 1996, 1997, 1998, 2001, 2002, 2003, 2007, 2008, 2009 Red Hat, Inc.
This file is part of Cygwin.
@ -159,9 +159,9 @@ getpwuid_r32 (__uid32_t uid, struct passwd *pwd, char *buffer, size_t bufsize, s
return 0;
/* check needed buffer size. */
size_t needsize = strlen (temppw->pw_name) + strlen (temppw->pw_dir) +
strlen (temppw->pw_shell) + strlen (temppw->pw_gecos) +
strlen (temppw->pw_passwd) + 5;
size_t needsize = strlen (temppw->pw_name) + strlen (temppw->pw_passwd)
+ strlen (temppw->pw_gecos) + strlen (temppw->pw_dir)
+ strlen (temppw->pw_shell) + 5;
if (needsize > bufsize)
return ERANGE;
@ -169,17 +169,12 @@ getpwuid_r32 (__uid32_t uid, struct passwd *pwd, char *buffer, size_t bufsize, s
*result = pwd;
pwd->pw_uid = temppw->pw_uid;
pwd->pw_gid = temppw->pw_gid;
pwd->pw_name = buffer;
pwd->pw_dir = pwd->pw_name + strlen (temppw->pw_name) + 1;
pwd->pw_shell = pwd->pw_dir + strlen (temppw->pw_dir) + 1;
pwd->pw_gecos = pwd->pw_shell + strlen (temppw->pw_shell) + 1;
buffer = stpcpy (pwd->pw_name = buffer, temppw->pw_name);
buffer = stpcpy (pwd->pw_passwd = buffer + 1, temppw->pw_passwd);
buffer = stpcpy (pwd->pw_gecos = buffer + 1, temppw->pw_gecos);
buffer = stpcpy (pwd->pw_dir = buffer + 1, temppw->pw_dir);
stpcpy (pwd->pw_shell = buffer + 1, temppw->pw_shell);
pwd->pw_comment = NULL;
pwd->pw_passwd = pwd->pw_gecos + strlen (temppw->pw_gecos) + 1;
strcpy (pwd->pw_name, temppw->pw_name);
strcpy (pwd->pw_dir, temppw->pw_dir);
strcpy (pwd->pw_shell, temppw->pw_shell);
strcpy (pwd->pw_gecos, temppw->pw_gecos);
strcpy (pwd->pw_passwd, temppw->pw_passwd);
return 0;
}
@ -217,9 +212,9 @@ getpwnam_r (const char *nam, struct passwd *pwd, char *buffer, size_t bufsize, s
return 0;
/* check needed buffer size. */
size_t needsize = strlen (temppw->pw_name) + strlen (temppw->pw_dir) +
strlen (temppw->pw_shell) + strlen (temppw->pw_gecos) +
strlen (temppw->pw_passwd) + 5;
size_t needsize = strlen (temppw->pw_name) + strlen (temppw->pw_passwd)
+ strlen (temppw->pw_gecos) + strlen (temppw->pw_dir)
+ strlen (temppw->pw_shell) + 5;
if (needsize > bufsize)
return ERANGE;
@ -227,17 +222,12 @@ getpwnam_r (const char *nam, struct passwd *pwd, char *buffer, size_t bufsize, s
*result = pwd;
pwd->pw_uid = temppw->pw_uid;
pwd->pw_gid = temppw->pw_gid;
pwd->pw_name = buffer;
pwd->pw_dir = pwd->pw_name + strlen (temppw->pw_name) + 1;
pwd->pw_shell = pwd->pw_dir + strlen (temppw->pw_dir) + 1;
pwd->pw_gecos = pwd->pw_shell + strlen (temppw->pw_shell) + 1;
buffer = stpcpy (pwd->pw_name = buffer, temppw->pw_name);
buffer = stpcpy (pwd->pw_passwd = buffer + 1, temppw->pw_passwd);
buffer = stpcpy (pwd->pw_gecos = buffer + 1, temppw->pw_gecos);
buffer = stpcpy (pwd->pw_dir = buffer + 1, temppw->pw_dir);
stpcpy (pwd->pw_shell = buffer + 1, temppw->pw_shell);
pwd->pw_comment = NULL;
pwd->pw_passwd = pwd->pw_gecos + strlen (temppw->pw_gecos) + 1;
strcpy (pwd->pw_name, temppw->pw_name);
strcpy (pwd->pw_dir, temppw->pw_dir);
strcpy (pwd->pw_shell, temppw->pw_shell);
strcpy (pwd->pw_gecos, temppw->pw_gecos);
strcpy (pwd->pw_passwd, temppw->pw_passwd);
return 0;
}