1 files changed, 39 insertions, 0 deletions
diff --git a/src/passwd/getgrent.c b/src/passwd/getgrent.c
new file mode 100644
index 0000000..e9d25eb
--- /dev/null
+++ b/src/passwd/getgrent.c
@@ -0,0 +1,39 @@
+#include "pwf.h"
+
+static FILE *f;
+
+void setgrent()
+{
+	if (f) fclose(f);
+	f = 0;
+}
+
+weak_alias(setgrent, endgrent);
+
+struct group *getgrent()
+{
+	static char *line, **mem;
+	static struct group gr;
+	size_t size=0, nmem=0;
+	if (!f) f = fopen("/etc/group", "rb");
+	if (!f) return 0;
+	return __getgrent_a(f, &gr, &line, &size, &mem, &nmem);
+}
+
+struct group *getgrgid(gid_t gid)
+{
+	struct group *gr;
+	setgrent();
+	while ((gr=getgrent()) && gr->gr_gid != gid);
+	endgrent();
+	return gr;
+}
+
+struct group *getgrnam(const char *name)
+{
+	struct group *gr;
+	setgrent();
+	while ((gr=getgrent()) && strcmp(gr->gr_name, name));
+	endgrent();
+	return gr;
+}