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-rw-r--r--gshadow/fgetsgent_r.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/gshadow/fgetsgent_r.c b/gshadow/fgetsgent_r.c
new file mode 100644
index 0000000000..25c05bf7ea
--- /dev/null
+++ b/gshadow/fgetsgent_r.c
@@ -0,0 +1,76 @@
+/* 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>
+
+/* Define a line parsing function using the common code
+ used in the nss_files module. */
+
+#define STRUCTURE sgrp
+#define ENTNAME sgent
+#define EXTERN_PARSER 1
+struct sgent_data {};
+
+#include <nss/nss_files/files-parse.c>
+
+
+/* Read one shadow entry from the given stream. */
+int
+__fgetsgent_r (FILE *stream, struct sgrp *resbuf, char *buffer, size_t buflen,
+ struct sgrp **result)
+{
+ char *p;
+
+ _IO_flockfile (stream);
+ do
+ {
+ buffer[buflen - 1] = '\xff';
+ p = fgets_unlocked (buffer, buflen, stream);
+ if (p == NULL && feof_unlocked (stream))
+ {
+ _IO_funlockfile (stream);
+ *result = NULL;
+ __set_errno (ENOENT);
+ return errno;
+ }
+ if (p == NULL || buffer[buflen - 1] != '\xff')
+ {
+ _IO_funlockfile (stream);
+ *result = NULL;
+ __set_errno (ERANGE);
+ return errno;
+ }
+
+ /* 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 (buffer, (void *) resbuf, (void *) buffer, buflen,
+ &errno));
+
+ _IO_funlockfile (stream);
+
+ *result = resbuf;
+ return 0;
+}
+weak_alias (__fgetsgent_r, fgetsgent_r)