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-rw-r--r--libc/pwd_grp/Makefile2
-rw-r--r--libc/pwd_grp/putgrent.c56
2 files changed, 57 insertions, 1 deletions
diff --git a/libc/pwd_grp/Makefile b/libc/pwd_grp/Makefile
index 06ba857f0..f2cdf5a17 100644
--- a/libc/pwd_grp/Makefile
+++ b/libc/pwd_grp/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)Rules.mak
CSRC= pwent.c getpwnam.c getpwuid.c putpwent.c getpw.c fgetpwent.c \
__getgrent_r.c grent.c getgrnam.c getgrgid.c fgetgrent.c \
- initgroups.c __getpwent_r.c
+ initgroups.c __getpwent_r.c putgrent.c
ifeq ($(HAS_SHADOW),y)
CSRC+= lckpwdf.c spent.c getspnam.c getspuid.c putspent.c sgetspent.c \
diff --git a/libc/pwd_grp/putgrent.c b/libc/pwd_grp/putgrent.c
new file mode 100644
index 000000000..d4838dbee
--- /dev/null
+++ b/libc/pwd_grp/putgrent.c
@@ -0,0 +1,56 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * putgrent.c
+ * Copyright (C) 2003 Erik Andersen <andersee@debian.org>
+ *
+ * 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 <stdio.h>
+#include <errno.h>
+#include "config.h"
+
+
+/* Write the given entry onto the given stream. */
+int putgrent(const struct group *__restrict grp,
+ FILE *__restrict f)
+{
+ if (grp == NULL || f == NULL) {
+ __set_errno(EINVAL);
+ return -1;
+ }
+ if (fprintf(f, "%s:%s:%u:", grp->gr_name,
+ grp->gr_passwd, grp->gr_gid) < 0)
+ {
+ return -1;
+ }
+ if (grp->gr_mem) {
+ int i;
+ char **gr_mem = grp->gr_mem;
+ while(*gr_mem) {
+ if (fprintf(f, (i++)? ",%s" : "%s", *gr_mem) < 0) {
+ return -1;
+ }
+ gr_mem++;
+ }
+ }
+
+ if (fputc('\n', f) < 0) {
+ return -1;
+ }
+ return 0;
+}
+