[BZ #9955]

2009-04-23  Ulrich Drepper  <drepper@redhat.com>
	[BZ #9955]
	* gshadow/Makefile: New file.
	* gshadow/Versions: New file.
	* gshadow/fgetsgent.c: New file.
	* gshadow/fgetsgent_r.c: New file.
	* gshadow/getsgent.c: New file.
	* gshadow/getsgent_r.c: New file.
	* gshadow/getsgnam.c: New file.
	* gshadow/getsgnam_r.c: New file.
	* gshadow/gshadow.h: New file.
	* gshadow/putsgent.c: New file.
	* gshadow/sgetsgent.c: New file.
	* gshadow/sgetsgent_r.c: New file.
	* gshadow/tst-gshadow.c: New file.
	* include/gshadow.h: New file.
	* Makeconfig (all-subdirs): Add gshadow.
	* Makefile (installed-headers): Add gshadow/gshadow.h.
	* nss/Makefile (databases): Add sgrp.
	* nss/Versions: Add gshadow functions as private exports.
	* nss/nsswitch.conf: Add gshadow entry.
	* nss/sgrp-lookup.c: New file.
	* nss/nss_files/files-parse.c: Add STRING_LIST macro.  Rewrite
	parse_list to handle STRING_LIST and TRAILING_LIST_PARSER.
	* nss/nss_files/files-sgrp.c: New file.
	* sysdeps/generic/paths.h: Add _PATH_GSHADOW.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.

1 files changed, 70 insertions, 0 deletions

diff --git a/gshadow/sgetsgent_r.c b/gshadow/sgetsgent_r.c
new file mode 100644
index 0000000000..72c51fe26b
--- /dev/null
+++ b/gshadow/sgetsgent_r.c
@@ -0,0 +1,70 @@
+/* Copyright (C) 2009 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <ctype.h>
+#include <errno.h>
+#include <gshadow.h>
+#include <stdio.h>
+#include <string.h>
+
+/* Define a line parsing function using the common code
+   used in the nss_files module.  */
+
+#define STRUCTURE	sgrp
+#define ENTNAME		sgent
+struct sgent_data {};
+
+
+#define TRAILING_LIST_MEMBER		sg_mem
+#define TRAILING_LIST_SEPARATOR_P(c)	((c) == ',')
+#include <nss/nss_files/files-parse.c>
+LINE_PARSER
+(,
+ STRING_FIELD (result->sg_namp, ISCOLON, 0);
+ if (line[0] == '\0'
+     && (result->sg_namp[0] == '+' || result->sg_namp[0] == '-'))
+   {
+     result->sg_passwd = NULL;
+     result->sg_adm = NULL;
+     result->sg_mem = NULL;
+   }
+ else
+   {
+     STRING_FIELD (result->sg_passwd, ISCOLON, 0);
+     STRING_LIST (result->sg_adm, ':');
+   }
+ )
+
+
+/* Read one shadow entry from the given stream.  */
+int
+__sgetsgent_r (const char *string, struct sgrp *resbuf, char *buffer,
+	       size_t buflen, struct sgrp **result)
+{
+  char *sp;
+  if (string < buffer || string >= buffer + buflen)
+    sp = strncpy (buffer, string, buflen);
+  else
+    sp = (char *) string;
+
+  int parse_result = parse_line (sp, resbuf, (void *) buffer, buflen, &errno);
+  *result = parse_result > 0 ? resbuf : NULL;
+
+  return *result == NULL ? errno : 0;
+}
+weak_alias (__sgetsgent_r, sgetsgent_r)