1 files changed, 57 insertions, 0 deletions
diff --git a/libc/pwd_grp/__getspent_r.c b/libc/pwd_grp/__getspent_r.c
new file mode 100644
index 000000000..d8e1fbdce
--- /dev/null
+++ b/libc/pwd_grp/__getspent_r.c
@@ -0,0 +1,57 @@
+/*
+ * __getspent_r.c - Based on __getpwent_r.c
+ * 
+ *  This 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.
+ *
+ *  This 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 this library; if not, write to the Free
+ *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <shadow.h>
+
+
+int __getspent_r(struct spwd * spwd, char * line_buff, size_t buflen, int spwd_fd)
+{
+	char *endptr;
+	int line_len;
+
+	/* We use the restart label to handle malformatted lines */
+  restart:
+	/* Read the shadow line into the static buffer using a minimal of
+	   syscalls. */
+	if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0)
+		return -1;
+	endptr = strchr(line_buff, '\n');
+	if (endptr != NULL)
+		lseek(spwd_fd, (long) (1 + endptr - (line_buff + line_len)),
+			  SEEK_CUR);
+	else {						/* The line is too long - skip it. :-\ */
+
+		do {
+			if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0)
+				return -1;
+		} while (!(endptr = strchr(line_buff, '\n')));
+		lseek(spwd_fd, (long) (endptr - line_buff) - line_len + 1,
+			  SEEK_CUR);
+		goto restart;
+	}
+
+	if (__sgetspent_r(line_buff, spwd, line_buff, buflen) < 0)
+		goto restart;
+
+	return 0;
+}