newlib/winsup/cygwin/pwdgrp.h
Christopher Faylor fea48988ea * strings.h (strechr): New function.
* uinfo.cc (pwdgrp::next_str): Search only for input char in string.  Return
EOS on failure.  Don't check for NULL since it shouldn't be possible.
(pwdgrp::add_line): Revert to replacing '\n' in input line with '\0'.
(pwdgrp::next_num): Pass explicit separator character to next_str.
* grp.cc (pwdgrp::parse_group): Ditto.
* passwd.cc (pwdgrp::parse_passwd): Ditto.  Revamp test for garbage input.
* pwdgrp.h (pwdgrp::next_str): Don't use default parameter.
2003-01-27 00:16:01 +00:00

95 lines
2.3 KiB
C++

/* pwdgrp.h
Copyright 2001, 2002, 2003 Red Hat inc.
Stuff common to pwd and grp handling.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* These functions are needed to allow searching and walking through
the passwd and group lists */
extern struct passwd *internal_getpwsid (cygsid &);
extern struct passwd *internal_getpwnam (const char *, bool = FALSE);
extern struct passwd *internal_getpwuid (__uid32_t, bool = FALSE);
extern struct __group32 *internal_getgrsid (cygsid &);
extern struct __group32 *internal_getgrgid (__gid32_t gid, bool = FALSE);
extern struct __group32 *internal_getgrnam (const char *, bool = FALSE);
extern struct __group32 *internal_getgrent (int);
int internal_getgroups (int, __gid32_t *, cygsid * = NULL);
#include "sync.h"
class pwdgrp
{
unsigned pwdgrp_buf_elem_size;
union
{
passwd **passwd_buf;
__group32 **group_buf;
void **pwdgrp_buf;
};
void (pwdgrp::*read) ();
bool (pwdgrp::*parse) ();
int etc_ix;
path_conv pc;
char *buf, *lptr;
int max_lines;
bool initialized;
muto *pglock;
bool parse_passwd ();
bool parse_group ();
void read_passwd ();
void read_group ();
char *add_line (char *);
char *raw_ptr () const {return lptr;}
char *next_str (char);
bool next_num (unsigned long&);
bool next_num (unsigned int& i)
{
unsigned long x;
bool res = next_num (x);
i = (unsigned int) x;
return res;
}
bool next_num (int& i)
{
unsigned long x;
bool res = next_num (x);
i = (int) x;
return res;
}
public:
int curr_lines;
void load (const char *);
void refresh (bool check = true)
{
if (!check && initialized)
return;
pglock->acquire ();
if (!initialized || (check && etc::file_changed (etc_ix)))
(this->*read) ();
pglock->release ();
}
pwdgrp (passwd *&pbuf) :
pwdgrp_buf_elem_size (sizeof (*pbuf)), passwd_buf (&pbuf)
{
read = &pwdgrp::read_passwd;
parse = &pwdgrp::parse_passwd;
new_muto (pglock);
}
pwdgrp (__group32 *&gbuf) :
pwdgrp_buf_elem_size (sizeof (*gbuf)), group_buf (&gbuf)
{
read = &pwdgrp::read_group;
parse = &pwdgrp::parse_group;
new_muto (pglock);
}
};