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* pwdgrp.h (etc): Move to path.h. 

(pwdgrp::max_lines): New field.
(pwdgrp::curr_lines): New field.
(pwdgrp::pwdgrp_buf): Ditto.
(pwdgrp_buf_elem_size): Ditto.
(pwdgrp_parse): Ditto.
(pwdgrp::gets): Just declare here.
(pwdgrp::load): Ditto.  Just take one argument.
(pwdgrp::load): Define overloaded function accepting passwd buf.
(pwdgrp::load): Define overloaded function accepting group buf.
* grp.cc: Use pwdgrp elements rather than standalone static variables
throughout.
(curr_lines): Eliminate.
(max_lines): Ditto.
(add_grp_line): Ditto.
(parse_grp): Define as returning boolean.  Accept void * arg and line count.
Coerce first argument into __group32 buf reference.  Increment curr_line as
appropriate.
(read_etc_group): Pass pwdgrp buffer to gr.load.
* passwd.cc: Use pwdgrp elements rather than standalone static variables
throughout.
(curr_lines): Eliminate.
(max_lines): Ditto.
(add_grp_line): Ditto.
(parse_passwd): Define as returning boolean.  Accept void * arg and line count.
Coerce first argument into passwd buf reference.  Increment curr_line as
appropriate.
(read_etc_group): Pass pwdgrp buffer to pr.load.
* path.cc (etc::fn): Extend buffer size to allow index by 1 rather than zero.
(etc::last_modified): Ditto.
(etc::change_possible): Ditto.  Renamed from sawchange.  Change to signed char
since elements are now tri-state.
(etc::init): Assume "handle" is 1 based rather than 0.
(etc::test_file_change): New function.  Sets change_possible based on file date
comparison.
(etc::dir_changed): Check file states immediately after changed_h is
initialized to avoid a race.
(etc::file_changed): Use test_file_change to detect if file needs to be
updated.
* path.h (etc): Move class here from pwdgrp.h.
* uinfo.cc: Move etc:: functions to path.cc.  Move pwdgrp functions here.
(pwdgrp::gets): Eliminate buf checks.  Just check eptr and set lptr.
(pwdgrp::add_line): New function.
(pwdgrp::load): Call generic add_line function which will call correct parser.
This commit is contained in:
Christopher Faylor 2003-01-20 02:57:54 +00:00
parent 6f2480fbf7
commit 7905c4f158
7 changed files with 314 additions and 231 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,54 @@
2003-01-19 Christopher Faylor <cgf@redhat.com>
* pwdgrp.h (etc): Move to path.h.
(pwdgrp::max_lines): New field.
(pwdgrp::curr_lines): New field.
(pwdgrp::pwdgrp_buf): Ditto.
(pwdgrp_buf_elem_size): Ditto.
(pwdgrp_parse): Ditto.
(pwdgrp::gets): Just declare here.
(pwdgrp::load): Ditto. Just take one argument.
(pwdgrp::load): Define overloaded function accepting passwd buf.
(pwdgrp::load): Define overloaded function accepting group buf.
* grp.cc: Use pwdgrp elements rather than standalone static variables
throughout.
(curr_lines): Eliminate.
(max_lines): Ditto.
(add_grp_line): Ditto.
(parse_grp): Define as returning boolean. Accept void * arg and line
count. Coerce first argument into __group32 buf reference. Increment
curr_line as appropriate.
(read_etc_group): Pass pwdgrp buffer to gr.load.
* passwd.cc: Use pwdgrp elements rather than standalone static variables
throughout.
(curr_lines): Eliminate.
(max_lines): Ditto.
(add_grp_line): Ditto.
(parse_passwd): Define as returning boolean. Accept void * arg and line
count. Coerce first argument into passwd buf reference. Increment
curr_line as appropriate.
(read_etc_group): Pass pwdgrp buffer to pr.load.
* path.cc (etc::fn): Extend buffer size to allow index by 1 rather than
zero.
(etc::last_modified): Ditto.
(etc::change_possible): Ditto. Renamed from sawchange. Change to
signed char since elements are now tri-state.
(etc::init): Assume "handle" is 1 based rather than 0.
(etc::test_file_change): New function. Sets change_possible based on
file date comparison.
(etc::dir_changed): Check file states immediately after changed_h is
initialized to avoid a race.
(etc::file_changed): Use test_file_change to detect if file needs to be
updated.
* path.h (etc): Move class here from pwdgrp.h.
* uinfo.cc: Move etc:: functions to path.cc. Move pwdgrp functions
here.
(pwdgrp::gets): Eliminate buf checks. Just check eptr and set lptr.
(pwdgrp::add_line): New function.
(pwdgrp::load): Call generic add_line function which will call correct
parser.
2003-01-17 Christopher Faylor <cgf@redhat.com>
* cygheap.cc: Change most 'int's to 'unsigned's.

58
winsup/cygwin/grp.cc
View File

@ -26,27 +26,22 @@ details. */
#include "cygheap.h"
#include "pwdgrp.h"
/* Read /etc/group only once for better performance. This is done
on the first call that needs information from it. */
static struct __group32 NO_COPY *group_buf; /* group contents in memory */
static int NO_COPY curr_lines;
static int NO_COPY max_lines;
/* Position in the group cache */
#define grp_pos _reent_winsup ()->_grp_pos
static pwdgrp NO_COPY gr;
static pwdgrp gr;
static __group32 *group_buf;
static char * NO_COPY null_ptr;
static int
parse_grp (struct __group32 &grp, char *line)
bool
pwdgrp::parse_grp (char *line)
{
char *dp = strchr (line, ':');
if (!dp)
return 0;
return false;
# define grp (* group_buf)[curr_lines]
*dp++ = '\0';
grp.gr_name = line;
@ -80,23 +75,12 @@ parse_grp (struct __group32 &grp, char *line)
grp.gr_mem = namearray;
}
}
return 1;
curr_lines++;
return true;
}
}
return 0;
}
/* Read one line from /etc/group into the group cache */
static void
add_grp_line (char *line)
{
if (curr_lines == max_lines)
{
max_lines += 10;
group_buf = (struct __group32 *) realloc (group_buf, max_lines * sizeof (struct __group32));
}
if (parse_grp (group_buf[curr_lines], line))
curr_lines++;
return false;
# undef grp
}
class group_lock
@ -130,12 +114,11 @@ read_etc_group ()
/* if we got blocked by the mutex, then etc_group may have been processed */
if (gr.isinitializing ())
{
for (int i = 0; i < curr_lines; i++)
for (int i = 0; i < gr.curr_lines; i++)
if ((group_buf + i)->gr_mem != &null_ptr)
free ((group_buf + i)->gr_mem);
curr_lines = 0;
if (!gr.load ("/etc/group", add_grp_line))
if (!gr.load ("/etc/group", group_buf))
debug_printf ("gr.load failed");
/* Complete /etc/group in memory if needed */
@ -156,11 +139,11 @@ read_etc_group ()
snprintf (linebuf, sizeof (linebuf), "%s:%s:%lu:%s",
group_name, strbuf, myself->gid, cygheap->user.name ());
debug_printf ("Completing /etc/group: %s", linebuf);
add_grp_line (linebuf);
gr.add_line (linebuf);
}
static char NO_COPY pretty_ls[] = "????????::-1:";
if (wincap.has_security ())
add_grp_line (pretty_ls);
gr.add_line (pretty_ls);
}
return;
}
@ -174,7 +157,7 @@ internal_getgrsid (cygsid &sid)
read_etc_group ();
if (sid.string (sid_string))
for (int i = 0; i < curr_lines; i++)
for (int i = 0; i < gr.curr_lines; i++)
if (!strcmp (sid_string, group_buf[i].gr_passwd))
return group_buf + i;
return NULL;
@ -186,7 +169,7 @@ internal_getgrgid (__gid32_t gid, bool check)
if (gr.isuninitialized () || (check && gr.isinitializing ()))
read_etc_group ();
for (int i = 0; i < curr_lines; i++)
for (int i = 0; i < gr.curr_lines; i++)
if (group_buf[i].gr_gid == gid)
return group_buf + i;
return NULL;
@ -198,7 +181,7 @@ internal_getgrnam (const char *name, bool check)
if (gr.isuninitialized () || (check && gr.isinitializing ()))
read_etc_group ();
for (int i = 0; i < curr_lines; i++)
for (int i = 0; i < gr.curr_lines; i++)
if (strcasematch (group_buf[i].gr_name, name))
return group_buf + i;
@ -206,8 +189,7 @@ internal_getgrnam (const char *name, bool check)
return NULL;
}
static
struct __group16 *
static struct __group16 *
grp32togrp16 (struct __group16 *gp16, struct __group32 *gp32)
{
if (!gp16 || !gp32)
@ -263,7 +245,7 @@ getgrent32 ()
if (gr.isinitializing ())
read_etc_group ();
if (grp_pos < curr_lines)
if (grp_pos < gr.curr_lines)
return group_buf + grp_pos++;
return NULL;
@ -290,7 +272,7 @@ internal_getgrent (int pos)
if (gr.isuninitialized ())
read_etc_group ();
if (pos < curr_lines)
if (pos < gr.curr_lines)
return group_buf + pos;
return NULL;
}

48
winsup/cygwin/passwd.cc
View File

@ -26,11 +26,8 @@ details. */
/* Read /etc/passwd only once for better performance. This is done
on the first call that needs information from it. */
static struct passwd NO_COPY *passwd_buf; /* passwd contents in memory */
static int NO_COPY curr_lines;
static int NO_COPY max_lines;
static NO_COPY pwdgrp pr;
static pwdgrp pr;
passwd *passwd_buf;
/* Position in the passwd cache */
#define pw_pos _reent_winsup ()->_pw_pos
@ -65,9 +62,10 @@ grab_int (char **p)
}
/* Parse /etc/passwd line into passwd structure. */
static int
parse_pwd (struct passwd &res, char *buf)
bool
pwdgrp::parse_pwd (char *buf)
{
# define res (*passwd_buf)[curr_lines]
/* Allocate enough room for the passwd struct and all the strings
in it in one go */
res.pw_name = grab_string (&buf);
@ -75,25 +73,14 @@ parse_pwd (struct passwd &res, char *buf)
res.pw_uid = grab_int (&buf);
res.pw_gid = grab_int (&buf);
if (!*buf)
return 0;
return false;
res.pw_comment = 0;
res.pw_gecos = grab_string (&buf);
res.pw_dir = grab_string (&buf);
res.pw_shell = grab_string (&buf);
return 1;
}
/* Add one line from /etc/passwd into the password cache */
static void
add_pwd_line (char *line)
{
if (curr_lines >= max_lines)
{
max_lines += 10;
passwd_buf = (struct passwd *) realloc (passwd_buf, max_lines * sizeof (struct passwd));
}
if (parse_pwd (passwd_buf[curr_lines], line))
curr_lines++;
curr_lines++;
return true;
# undef res
}
class passwd_lock
@ -131,8 +118,7 @@ read_etc_passwd ()
/* if we got blocked by the mutex, then etc_passwd may have been processed */
if (pr.isinitializing ())
{
curr_lines = 0;
if (!pr.load ("/etc/passwd", add_pwd_line))
if (!pr.load ("/etc/passwd", passwd_buf))
debug_printf ("pr.load failed");
char strbuf[128] = "";
@ -141,8 +127,8 @@ read_etc_passwd ()
if (wincap.has_security ())
{
static char pretty_ls[] = "????????:*:-1:-1:";
add_pwd_line (pretty_ls);
static char NO_COPY pretty_ls[] = "????????:*:-1:-1:";
pr.add_line (pretty_ls);
cygsid tu = cygheap->user.sid ();
tu.string (strbuf);
if (myself->uid == ILLEGAL_UID)
@ -164,7 +150,7 @@ read_etc_passwd ()
myself->gid,
strbuf, getenv ("HOME") ?: "");
debug_printf ("Completing /etc/passwd: %s", linebuf);
add_pwd_line (linebuf);
pr.add_line (linebuf);
}
}
return;
@ -183,7 +169,7 @@ internal_getpwsid (cygsid &sid)
if (sid.string (sid_string + 2))
{
endptr = strchr (sid_string + 2, 0) - 1;
for (int i = 0; i < curr_lines; i++)
for (int i = 0; i < pr.curr_lines; i++)
if ((pw = passwd_buf + i)->pw_dir > pw->pw_gecos + 8)
for (ptr1 = endptr, ptr2 = pw->pw_dir - 2;
*ptr1 == *ptr2; ptr2--)
@ -199,7 +185,7 @@ internal_getpwuid (__uid32_t uid, bool check)
if (pr.isuninitialized () || (check && pr.isinitializing ()))
read_etc_passwd ();
for (int i = 0; i < curr_lines; i++)
for (int i = 0; i < pr.curr_lines; i++)
if (uid == (__uid32_t) passwd_buf[i].pw_uid)
return passwd_buf + i;
return NULL;
@ -211,7 +197,7 @@ internal_getpwnam (const char *name, bool check)
if (pr.isuninitialized () || (check && pr.isinitializing ()))
read_etc_passwd ();
for (int i = 0; i < curr_lines; i++)
for (int i = 0; i < pr.curr_lines; i++)
/* on Windows NT user names are case-insensitive */
if (strcasematch (name, passwd_buf[i].pw_name))
return passwd_buf + i;
@ -333,7 +319,7 @@ getpwent (void)
if (pr.isinitializing ())
read_etc_passwd ();
if (pw_pos < curr_lines)
if (pw_pos < pr.curr_lines)
return passwd_buf + pw_pos++;
return NULL;

101
winsup/cygwin/path.cc
View File

@ -3753,3 +3753,104 @@ out:
MALLOC_CHECK;
return buf;
}
int etc::curr_ix = 0;
/* Note that the first elements of the below arrays are unused */
signed char etc::change_possible[MAX_ETC_FILES + 1];
const char *etc::fn[MAX_ETC_FILES + 1];
FILETIME etc::last_modified[MAX_ETC_FILES + 1];
int
etc::init (int n, const char *etc_fn)
{
if (n > 0)
/* ok */;
else if (++curr_ix <= MAX_ETC_FILES)
n = curr_ix;
else
api_fatal ("internal error");
fn[n] = etc_fn;
change_possible[n] = false;
(void) test_file_change (n);
paranoid_printf ("fn[%d] %s, curr_ix %d", n, fn[n], curr_ix);
return n;
}
bool
etc::test_file_change (int n)
{
HANDLE h;
WIN32_FIND_DATA data;
bool res;
if (change_possible[n] < 0)
{
res = true;
paranoid_printf ("fn[%d] %s, already marked changed", n, fn[n]);
}
else if ((h = FindFirstFile (fn[n], &data)) == INVALID_HANDLE_VALUE)
{
res = true;
memset (last_modified + n, 0, sizeof (last_modified[n]));
debug_printf ("FindFirstFile failed, %E");
}
else
{
FindClose (h);
res = CompareFileTime (&data.ftLastWriteTime, last_modified + n) > 0;
last_modified[n] = data.ftLastWriteTime;
change_possible[n] = -res;
debug_printf ("FindFirstFile succeeded");
}
paranoid_printf ("fn[%d] %s res %d", n, fn[n], res);
return res;
}
bool
etc::dir_changed (int n)
{
if (!change_possible[n])
{
static HANDLE changed_h NO_COPY;
if (!changed_h)
{
path_conv pwd ("/etc");
changed_h = FindFirstChangeNotification (pwd, FALSE,
FILE_NOTIFY_CHANGE_LAST_WRITE);
#ifdef DEBUGGING
if (changed_h == INVALID_HANDLE_VALUE)
system_printf ("Can't open /etc for checking, %E", (char *) pwd,
changed_h);
#endif
for (int i = 1; i <= curr_ix; i++)
(void) test_file_change (i);
}
if (changed_h == INVALID_HANDLE_VALUE)
(void) test_file_change (n); /* semi-brute-force way */
else if (WaitForSingleObject (changed_h, 0) == WAIT_OBJECT_0)
{
(void) FindNextChangeNotification (changed_h);
memset (change_possible, 1, sizeof change_possible);
}
}
paranoid_printf ("fn[%d] %s change_possible %d", n, fn[n], change_possible[n]);
return change_possible[n];
}
bool
etc::file_changed (int n)
{
bool res = false;
if (!fn[n])
res = true;
else if (dir_changed (n) && test_file_change (n))
res = true;
change_possible[n] = 0;
paranoid_printf ("fn[%d] %s res %d", n, fn[n], res);
return res;
}

17
winsup/cygwin/path.h
View File

@ -206,3 +206,20 @@ int pathmatch (const char *path1, const char *path2) __attribute__ ((regparm (2)
int pathnmatch (const char *path1, const char *path2, int len) __attribute__ ((regparm (2)));
int path_prefix_p (const char *path1, const char *path2, int len1) __attribute__ ((regparm (3)));
/* FIXME: Move to own include file eventually */
#define MAX_ETC_FILES 2
class etc
{
static int curr_ix;
static signed char change_possible[MAX_ETC_FILES + 1];
static const char *fn[MAX_ETC_FILES + 1];
static FILETIME last_modified[MAX_ETC_FILES + 1];
static bool dir_changed (int);
static int init (int, const char *);
static bool file_changed (int);
static void set_last_modified (int, FILETIME&);
static bool test_file_change (int);
friend class pwdgrp;
};

122
winsup/cygwin/pwdgrp.h
View File

@ -27,106 +27,54 @@ enum pwdgrp_state {
loaded
};
#define MAX_ETC_FILES 2
class etc
{
static int curr_ix;
static bool sawchange[MAX_ETC_FILES];
static const char *fn[MAX_ETC_FILES];
static FILETIME last_modified[MAX_ETC_FILES];
static bool dir_changed (int);
static int init (int, const char *);
static bool file_changed (int);
static void set_last_modified (int, FILETIME&);
friend class pwdgrp;
};
class pwdgrp
{
pwdgrp_state state;
int pwd_ix;
path_conv pc;
char *buf;
char *lptr, *eptr;
char *gets ()
int max_lines;
union
{
if (!buf)
lptr = NULL;
else if (!eptr)
lptr = NULL;
else
{
lptr = eptr;
eptr = strchr (lptr, '\n');
if (eptr)
{
if (eptr > lptr && *(eptr - 1) == '\r')
*(eptr - 1) = 0;
*eptr++ = '\0';
}
}
return lptr;
}
passwd **passwd_buf;
__group32 **group_buf;
void **pwdgrp_buf;
};
unsigned pwdgrp_buf_elem_size;
bool (pwdgrp::*parse) (char *);
char *gets (char*&);
bool parse_pwd (char *);
bool parse_grp (char *);
public:
int curr_lines;
void add_line (char *);
bool isinitializing ()
{
if (state <= initializing)
state = initializing;
else if (etc::file_changed (pwd_ix - 1))
state = initializing;
return state == initializing;
}
{
if (state <= initializing)
state = initializing;
else if (etc::file_changed (pwd_ix))
state = initializing;
return state == initializing;
}
void operator = (pwdgrp_state nstate) { state = nstate; }
bool isuninitialized () const { return state == uninitialized; }
bool load (const char *posix_fname, void (* add_line) (char *))
bool load (const char *);
bool load (const char *posix_fname, passwd *&buf)
{
if (buf)
free (buf);
buf = lptr = eptr = NULL;
pc.check (posix_fname);
pwd_ix = etc::init (pwd_ix - 1, pc) + 1;
paranoid_printf ("%s", posix_fname);
bool res;
if (pc.error || !pc.exists () || !pc.isdisk () || pc.isdir ())
res = false;
else
{
HANDLE fh = CreateFile (pc, GENERIC_READ, wincap.shared (), NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (fh == INVALID_HANDLE_VALUE)
res = false;
else
{
DWORD size = GetFileSize (fh, NULL), read_bytes;
buf = (char *) malloc (size + 1);
if (!ReadFile (fh, buf, size, &read_bytes, NULL))
{
if (buf)
free (buf);
buf = NULL;
fh = NULL;
return false;
}
buf[read_bytes] = '\0';
eptr = buf;
CloseHandle (fh);
FILETIME ft;
if (GetFileTime (fh, NULL, NULL, &ft))
etc::set_last_modified (pwd_ix - 1, ft);
char *line;
while ((line = gets()) != NULL)
add_line (line);
res = true;
}
}
state = loaded;
return res;
passwd_buf = &buf;
pwdgrp_buf_elem_size = sizeof (*buf);
parse = &pwdgrp::parse_pwd;
return load (posix_fname);
}
bool load (const char *posix_fname, __group32 *&buf)
{
group_buf = &buf;
pwdgrp_buf_elem_size = sizeof (*buf);
parse = &pwdgrp::parse_grp;
return load (posix_fname);
}
};

148
winsup/cygwin/uinfo.cc
View File

@ -390,89 +390,87 @@ cygheap_user::env_name (const char *name, size_t namelen)
return pwinname;
}
int NO_COPY etc::curr_ix = -1;
bool NO_COPY etc::sawchange[MAX_ETC_FILES];
const NO_COPY char *etc::fn[MAX_ETC_FILES];
FILETIME NO_COPY etc::last_modified[MAX_ETC_FILES];
int
etc::init (int n, const char *etc_fn)
char *
pwdgrp::gets (char*& eptr)
{
if (n >= 0)
/* ok */;
else if (++curr_ix < MAX_ETC_FILES)
n = curr_ix;
char *lptr;
if (!eptr)
lptr = NULL;
else
api_fatal ("internal error");
fn[n] = etc_fn;
sawchange[n] = false;
paranoid_printf ("curr_ix %d, n %d", curr_ix, n);
return curr_ix;
}
bool
etc::dir_changed (int n)
{
bool res = sawchange[n];
if (!res)
{
static HANDLE NO_COPY changed_h;
if (!changed_h)
lptr = eptr;
eptr = strchr (lptr, '\n');
if (eptr)
{
path_conv pwd ("/etc");
changed_h = FindFirstChangeNotification (pwd, FALSE,
FILE_NOTIFY_CHANGE_LAST_WRITE);
#ifdef DEBUGGING
if (changed_h == INVALID_HANDLE_VALUE)
system_printf ("Can't open /etc for checking, %E", (char *) pwd,
changed_h);
#endif
}
if (changed_h == INVALID_HANDLE_VALUE)
res = true;
else if (WaitForSingleObject (changed_h, 0) == WAIT_OBJECT_0)
{
(void) FindNextChangeNotification (changed_h);
memset (sawchange, true, sizeof sawchange);
res = true;
if (eptr > lptr && *(eptr - 1) == '\r')
*(eptr - 1) = 0;
*eptr++ = '\0';
}
}
paranoid_printf ("%s res %d", fn[n], res);
return res;
}
bool
etc::file_changed (int n)
{
bool res = false;
if (!fn[n])
res = true;
else if (dir_changed (n))
{
HANDLE h;
WIN32_FIND_DATA data;
if ((h = FindFirstFile (fn[n], &data)) == INVALID_HANDLE_VALUE)
res = true;
else
{
FindClose (h);
if (CompareFileTime (&data.ftLastWriteTime, last_modified + n) > 0)
res = true;
}
}
sawchange[n] = false;
paranoid_printf ("%s res %d", fn[n], res);
return res;
return lptr;
}
void
etc::set_last_modified (int n, FILETIME& ft)
pwdgrp::add_line (char *line)
{
last_modified[n] = ft;
sawchange[n] = false;
if (curr_lines >= max_lines)
{
max_lines += 10;
*pwdgrp_buf = realloc (*pwdgrp_buf, max_lines * pwdgrp_buf_elem_size);
}
(void) (this->*parse) (line);
}
bool
pwdgrp::load (const char *posix_fname)
{
if (buf)
free (buf);
buf = NULL;
pc.check (posix_fname);
pwd_ix = etc::init (pwd_ix, pc);
paranoid_printf ("%s", posix_fname);
bool res;
if (pc.error || !pc.exists () || !pc.isdisk () || pc.isdir ())
res = false;
else
{
HANDLE fh = CreateFile (pc, GENERIC_READ, wincap.shared (), NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (fh == INVALID_HANDLE_VALUE)
res = false;
else
{
DWORD size = GetFileSize (fh, NULL), read_bytes;
buf = (char *) malloc (size + 1);
if (!ReadFile (fh, buf, size, &read_bytes, NULL))
{
CloseHandle (fh);
if (buf)
free (buf);
buf = NULL;
fh = NULL;
res = false;
}
else
{
CloseHandle (fh);
buf[read_bytes] = '\0';
char *eptr = buf;
eptr = buf;
char *line;
curr_lines = 0;
while ((line = gets (eptr)) != NULL)
add_line (line);
debug_printf ("%s curr_lines %d", posix_fname, curr_lines);
res = true;
}
}
}
state = loaded;
return res;
}