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authorRoland McGrath <roland@gnu.org>1996-06-25 08:56:57 +0000
committerRoland McGrath <roland@gnu.org>1996-06-25 08:56:57 +0000
commit5f0e6fc702296840d2daa39f83f6cb1e40073d58 (patch)
tree6e6c29e50f713eac4c87b54a6e5730fa0dedb65a /pwd
parent7f8116797fdb967571c00ec1d5b19d9d06813445 (diff)
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Tue Jun 25 02:59:11 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>cvs/libc-960625
* malloc/malloc.h: Declare malloc_object_allocated_size, malloc_walk. * malloc/Makefile (dist-routines): Add malloc-size, malloc-walk. * malloc/malloc-size.c: New file. * malloc/malloc-walk.c: New file. * malloc/malloc-find.c (malloc_find_object_address): Return null if PTR is outside the heap. * elf/dl-load.c (_dl_map_object): If the requested name matches the soname of a loaded object, use that object. Mon Jun 24 19:57:01 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * Makefile (subdirs): Add nss. * inet/Makefile (routines): Add getrpcent, getrpcbyname, getrpcbynumber, getrpcent_r, getrpcbyname_r, getrpcbynumber_r. * inet/getrpcbynumber_r.c: New file. * inet/getrpcbynumber.c: New file. * inet/getrpcbyname.c: New file. * inet/getrpcbyname_r.c: New file. * inet/getrpcent_r.c: New file. * inet/getrpcent.c: New file. * nss/rpc-lookup.c: New file. * nss/nss_files/files-rpc.c: New file. * nss/Makefile (routines): Add rpc-lookup. (libnss_files-routines): Add files-rpc. * sunrpc/Makefile (routines): Remove getrpcent. * sunrpc/getrpcent.c: File removed. * nss/getXXent_r.c (REENTRANT_GETNAME): Clear NO_MORE when NIP is non-null on entry. * Makeconfig (rpath-link): Add $(nssobjdir). (nssobjdir): New variable. * Makerules: Move shared library building before objects rules, so versions are known before extra-lib.mk gets included. * extra-lib.mk (lib-noranlib): Depend on the shared object too. * pwd/getpwuid.c: Rewritten using nss. * pwd/getpwnam.c: Likewise. * pwd/getpwent.c: Likewise. * grp/getgrnam.c: Likewise. * grp/getgrgid.c: Likewise. * grp/getgrent.c: Likewise. * pwd/Makefile (routines): Add getpwent_r, getpwnam_r, getpwuid_r. * pwd/getpwent_r.c: New file. * pwd/getpwnam_r.c: New file. * pwd/getpwuid_r.c: New file. * grp/Makefile (routines): Add getgrent_r, getgrgid_r, getgrnam_r. * grp/getgrnam_r.c: New file. * grp/getgrgid_r.c: New file. * grp/getgrent_r.c: New file. * grp/Makefile (routines): Remove grpopen, grpread. * pwd/Makefile (routines): Remove pwdopen, pwdread. * grp/grpopen.c, grp/grpread.c, pwd/pwdopen.c, pwd/pwdread.c: Removed. * pwd/fgetpwent.c: Rewritten using files-parse.c. * grp/fgetgrent.c: Likewise. * nss/Makefile (routines): Add grp-lookup and pwd-lookup. * nss/pwd-lookup.c, nss/grp-lookup.c: New files. * nss/nss_files/files-grp.c: New file. * nss/nss_files/files-pwd.c: New file. * nss/Makefile (subdir-dirs): New variable; use it in vpath. * nss/nss_files/files-parse.c: New file. * nss/nss_files/files-XXX.c: New file. * nss/nss_files/files-hosts.c, nss/nss_files/files-proto.c, nss/nss_files/files-service.c, nss/nss_files/files-network.c: Rewritten using them. * nss/Makefile (libnss_files-routines): Remove files-host. Add files-hosts, files-grp, files-pwd. * nss/nss_dns/dns-network.c: Don't include <pthread.h>. Mon Jun 24 22:39:12 1996 Richard Henderson <rth@tamu.edu> * sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): A .plt entry now loads the .rela.plt offset directly rather than making us calculate it. Sun Jun 23 15:24:05 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> * time/Makefile ($(installed-localtime-file) rule): Do $(make-target-directory) first. * resolv.h: Fix wrapper for resolv/resolv.h. * configure.in (ld --no-whole-archive check): Use AC_TRY_COMMAND. Compile dummy file and pass -nostdlib -nostartfiles so as not to require installed libraries. * shlib-versions (*-*-*): Set libresolv=2, libnss_files=1, libnss_dns=1. Sun Jun 23 19:42:05 1996 Ulrich Drepper <drepper@cygnus.com> * resolv/netdb.h (_PATH_NSSWITCH_CONF): New macro. * inet/herrno.c: New file. * resolv/res_init.c: Remove res_hconf calls. * nss/Makefile, nss/XXX-lookup.c, nss/file-lookup.c, nss/getXXbyYY.c, nss/getXXbyYY_r.c, nss/getXXent.c, nss/getXXent_r.c, nss/host-lookup.c, nss/network-lookup.c, nss/nsswitch.c, nss/nsswitch.h, nss/proto-lookup.c, nss/service-lookup.c: New files. Implementation of name service switch, following the approach in Solaris. Interface specification and general structure inspired by Peter Eriksson <pen@lysator.liu.se>. * nss/nss_files/files-host.c, nss/nss_files/files-network.c, nss/nss_files/files-proto.c, nss/nss_files/files-service.c: Implementation of libnss_files.so module for file based databases in NSS service. * nss/nss_dns/dns-host.c, nss/nss_dns/dns-network.c: Implementation if libnss_dns.so module for DNS name lookup in NSS service. * inet/getproto.c, inet/getprtent.c, inet/getprtname.c, inet/getservent.c, inet/getsrvbynm.c, inet/getsrvbypt.c: Changed to serve as interface to NSS. * inet/gethstbyad.c, inet/gethstbyad_r.c, inet/gethstbynm.c, inet/gethstbynm2.c, inet/gethstbynm2_r.c, inet/gethstbynm_r.c, inet/gethstent.c, inet/gethstent_r.c, inet/getnetbynm.c, inet/getnetbynm_r.c, inet/getnetbypt.c, inet/getnetbypt_r.c, inet/getnetent.c, inet/getnetent_r.c, inet/getproto_r.c, inet/getprtent_r.c, inet/getprtname_r.c, inet/getservent_r.c, inet/getsrvbynm_r.c, inet/getsrvbypt_r.c: New files. Implement interfaces to NSS, including reentrant functions. * resolv/getnetbyaddr.c, resolv/getnetbyname.c, resolv/getnetent.c, resolv/sethostent.c: Removed: Obsoleted by NSS. * resolv/mapv4v6addr.h, resolv/mapv4v6hostent.h: Extracted from gethnamaddr.c. These private functions are now used in more than one file. * resolv/inet_pton.c, resolv/gethnamaddr.c: Updated to bind-4.9.4-T5B. Sat Jun 22 16:49:47 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * rpm/Makefile ($(config)): Make sure the word list in the for loop is syntactically non-empty.
Diffstat (limited to 'pwd')
-rw-r--r--pwd/Makefile6
-rw-r--r--pwd/fgetpwent.c53
-rw-r--r--pwd/getpwent.c59
-rw-r--r--pwd/getpwent_r.c30
-rw-r--r--pwd/getpwnam.c30
-rw-r--r--pwd/getpwnam_r.c30
-rw-r--r--pwd/getpwuid.c30
-rw-r--r--pwd/getpwuid_r.c (renamed from pwd/pwdopen.c)24
-rw-r--r--pwd/pwdread.c147
9 files changed, 151 insertions, 258 deletions
diff --git a/pwd/Makefile b/pwd/Makefile
index b33700a95f..ce67d49ea9 100644
--- a/pwd/Makefile
+++ b/pwd/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991 Free Software Foundation, Inc.
+# Copyright (C) 1991, 1996 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
@@ -21,6 +21,8 @@
#
subdir := pwd
-routines := pwdopen pwdread fgetpwent getpw getpwent getpwnam getpwuid putpwent
+routines := fgetpwent getpw putpwent \
+ getpwent getpwnam getpwuid \
+ getpwent_r getpwnam_r getpwuid_r
include ../Rules
diff --git a/pwd/fgetpwent.c b/pwd/fgetpwent.c
index 4a21cbb59a..ba9f834905 100644
--- a/pwd/fgetpwent.c
+++ b/pwd/fgetpwent.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -16,25 +16,50 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
-#include <ansidecl.h>
-#include <errno.h>
-#include <limits.h>
-#include <stddef.h>
#include <stdio.h>
-#include <string.h>
#include <pwd.h>
+/* Define a line parsing function using the common code
+ used in the nss_files module. */
+
+#define STRUCTURE passwd
+#define ENTNAME pwent
+struct pwent_data {};
+
+#include "../nss/nss_files/files-parse.c"
+LINE_PARSER
+(
+ STRING_FIELD (result->pw_name, ISCOLON);
+ STRING_FIELD (result->pw_passwd, ISCOLON);
+ INT_FIELD (result->pw_uid, ISCOLON, 10,);
+ INT_FIELD (result->pw_gid, ISCOLON, 10,);
+ STRING_FIELD (result->pw_gecos, ISCOLON);
+ STRING_FIELD (result->pw_dir, ISCOLON);
+ result->pw_shell = line;
+)
+
+
/* Read one entry from the given stream. */
struct passwd *
-DEFUN(fgetpwent, (stream), FILE *stream)
+fgetpwent (FILE *stream)
{
- static PTR info = NULL;
- if (info == NULL)
+ static char buffer[BUFSIZ];
+ static struct passwd result;
+ char *p;
+
+ do
{
- info = __pwdalloc();
- if (info == NULL)
- return(NULL);
- }
+ p = fgets (buffer, sizeof buffer, stream);
+ if (p == NULL)
+ return NULL;
+
+ /* Skip leading blanks. */
+ while (isspace (*p))
+ ++p;
+ } while (*p == '\0' || *p == '#' || /* Ignore empty and comment lines. */
+ /* Parse the line. If it is invalid, loop to
+ get the next line of the file to parse. */
+ ! parse_line (p, &result, (void *) buffer, sizeof buffer));
- return(__pwdread(stream, info));
+ return &result;
}
diff --git a/pwd/getpwent.c b/pwd/getpwent.c
index 1c88950f11..79edbd5db0 100644
--- a/pwd/getpwent.c
+++ b/pwd/getpwent.c
@@ -1,5 +1,6 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
@@ -13,55 +14,17 @@ Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
-#include <stddef.h>
-#include <stdio.h>
#include <pwd.h>
-static FILE *stream = NULL;
-/* Rewind the stream. */
-void
-DEFUN_VOID(setpwent)
-{
- if (stream != NULL)
- rewind(stream);
-}
+#define LOOKUP_TYPE struct passwd
+#define SETFUNC_NAME setpwent
+#define GETFUNC_NAME getpwent
+#define ENDFUNC_NAME endpwent
+#define DATABASE_NAME passwd
+#define BUFLEN 1024
-
-/* Close the stream. */
-void
-DEFUN_VOID(endpwent)
-{
- if (stream != NULL)
- {
- (void) fclose(stream);
- stream = NULL;
- }
-}
-
-
-/* Return one entry from the password file. */
-struct passwd *
-DEFUN_VOID(getpwent)
-{
- static PTR info = NULL;
- if (info == NULL)
- {
- info = __pwdalloc();
- if (info == NULL)
- return(NULL);
- }
-
- if (stream == NULL)
- {
- stream = __pwdopen();
- if (stream == NULL)
- return(NULL);
- }
-
- return(__pwdread(stream, info));
-}
+#include "../nss/getXXent.c"
diff --git a/pwd/getpwent_r.c b/pwd/getpwent_r.c
new file mode 100644
index 0000000000..ced7f8a639
--- /dev/null
+++ b/pwd/getpwent_r.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <pwd.h>
+
+
+#define LOOKUP_TYPE struct passwd
+#define SETFUNC_NAME setpwent
+#define GETFUNC_NAME getpwent
+#define ENDFUNC_NAME endpwent
+#define DATABASE_NAME passwd
+#define BUFLEN 1024
+
+#include "../nss/getXXent_r.c"
diff --git a/pwd/getpwnam.c b/pwd/getpwnam.c
index bac8b6b4da..597b8d1205 100644
--- a/pwd/getpwnam.c
+++ b/pwd/getpwnam.c
@@ -1,5 +1,6 @@
-/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
@@ -13,24 +14,17 @@ Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <string.h>
#include <pwd.h>
-/* Search for an entry with a matching name. */
-struct passwd *
-DEFUN(getpwnam, (name), const char *name)
-{
- int match (struct passwd *p)
- {
- return ! strcmp (name, p->pw_name);
- }
- static void *info;
- return __pwdscan (&info, &match);
-}
+#define LOOKUP_TYPE struct passwd
+#define FUNCTION_NAME getpwnam
+#define DATABASE_NAME passwd
+#define ADD_PARAMS const char *name
+#define ADD_VARIABLES name
+#define BUFLEN 1024
+
+#include "../nss/getXXbyYY.c"
diff --git a/pwd/getpwnam_r.c b/pwd/getpwnam_r.c
new file mode 100644
index 0000000000..c2d1f84d81
--- /dev/null
+++ b/pwd/getpwnam_r.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include <pwd.h>
+
+
+#define LOOKUP_TYPE struct passwd
+#define FUNCTION_NAME getpwnam
+#define DATABASE_NAME passwd
+#define ADD_PARAMS const char *name
+#define ADD_VARIABLES name
+#define BUFLEN 1024
+
+#include "../nss/getXXbyYY_r.c"
diff --git a/pwd/getpwuid.c b/pwd/getpwuid.c
index 5093488557..130c251f89 100644
--- a/pwd/getpwuid.c
+++ b/pwd/getpwuid.c
@@ -1,5 +1,6 @@
-/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
@@ -13,24 +14,17 @@ Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
-#include <stddef.h>
-#include <stdio.h>
#include <pwd.h>
-#include <sys/types.h>
-/* Search for an entry with a matching uid. */
-struct passwd *
-DEFUN(getpwuid, (uid), uid_t uid)
-{
- int match (struct passwd *p)
- {
- return p->pw_uid == uid;
- }
- static void *info;
- return __pwdscan (&info, &match);
-}
+#define LOOKUP_TYPE struct passwd
+#define FUNCTION_NAME getpwuid
+#define DATABASE_NAME passwd
+#define ADD_PARAMS uid_t uid
+#define ADD_VARIABLES uid
+#define BUFLEN 1024
+
+#include "../nss/getXXbyYY.c"
diff --git a/pwd/pwdopen.c b/pwd/getpwuid_r.c
index 6d35ab9441..e3bf7578ae 100644
--- a/pwd/pwdopen.c
+++ b/pwd/getpwuid_r.c
@@ -1,5 +1,6 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
+Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
@@ -13,16 +14,17 @@ Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
-#include <stdio.h>
#include <pwd.h>
-/* Return a new stream open on the password file. */
-FILE *
-DEFUN_VOID(__pwdopen)
-{
- return(fopen("/etc/passwd", "r"));
-}
+
+#define LOOKUP_TYPE struct passwd
+#define FUNCTION_NAME getpwuid
+#define DATABASE_NAME passwd
+#define ADD_PARAMS uid_t uid
+#define ADD_VARIABLES uid
+#define BUFLEN 1024
+
+#include "../nss/getXXbyYY_r.c"
diff --git a/pwd/pwdread.c b/pwd/pwdread.c
deleted file mode 100644
index 12032367fa..0000000000
--- a/pwd/pwdread.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
-
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
-
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
-
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
-
-#include <ansidecl.h>
-#include <errno.h>
-#include <limits.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <pwd.h>
-#include <sys/types.h>
-
-
-/* This is the function that all the others are based on.
- The format of the password file is known only here. */
-
-/* Structure containing info kept by each __pwdread caller. */
-typedef struct
- {
- char *buf;
- size_t buflen;
- struct passwd p;
- } pwdread_info;
-
-
-/* Return a chunk of memory containing a pre-initialized `pwdread_info'. */
-PTR
-DEFUN_VOID(__pwdalloc)
-{
- pwdread_info *info = (PTR) malloc (sizeof(pwdread_info));
- if (info == NULL)
- return NULL;
- info->buf = NULL;
- info->buflen = 0;
- return info;
-}
-
-/* Read a password entry from STREAM, filling in P. */
-struct passwd *
-DEFUN(__pwdread, (stream, p), FILE *stream AND PTR CONST p)
-{
- register pwdread_info *CONST info = (pwdread_info *) p;
- char *start, *end;
-
- /* Idiocy checks. */
- if (stream == NULL)
- {
- errno = EINVAL;
- return NULL;
- }
-
- do
- if (__getline (&info->buf, &info->buflen, stream) == -1)
- return NULL;
- while (info->buf[0] == '#');
-
- start = info->buf;
- end = strchr (start, ':');
- if (end == NULL)
- return NULL;
- *end = '\0';
- info->p.pw_name = start;
-
- start = end + 1;
- end = strchr (start, ':');
- if (end == NULL)
- return NULL;
- *end = '\0';
- info->p.pw_passwd = start;
-
- info->p.pw_uid = (uid_t) strtol (end + 1, &end, 10);
- if (*end != ':')
- return NULL;
- info->p.pw_gid = (gid_t) strtol (end + 1, &end, 10);
- if (*end != ':')
- return NULL;
-
- start = end + 1;
- end = strchr (start, ':');
- if (end == NULL)
- return NULL;
- *end = '\0';
- info->p.pw_gecos = start;
-
- start = end + 1;
- end = strchr (start, ':');
- if (end == NULL)
- return NULL;
- *end = '\0';
- info->p.pw_dir = start;
-
- start = end + 1;
- end = strchr (start, '\n');
- if (end == NULL)
- return NULL;
- *end = '\0';
- info->p.pw_shell = start;
-
- return &info->p;
-}
-
-
-struct passwd *
-__pwdscan (void **info, int (*selector) (struct passwd *))
-{
- FILE *stream;
- struct passwd *p;
-
- if (*info == NULL)
- {
- *info = __pwdalloc ();
- if (info == NULL)
- return NULL;
- }
-
- stream = __pwdopen ();
- if (stream == NULL)
- return NULL;
-
- p = NULL;
- while (! feof (stream))
- {
- p = __pwdread (stream, *info);
- if (p && (*selector) (p))
- break;
- p = NULL;
- }
-
- (void) fclose (stream);
- return p;
-}