1 files changed, 77 insertions, 0 deletions
diff --git a/lib/e2p/setflags.c b/lib/e2p/setflags.c
new file mode 100644
index 0000000..0f6a3e0
--- /dev/null
+++ b/lib/e2p/setflags.c
@@ -0,0 +1,77 @@
+/*
+ * setflags.c		- Set a file flags on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994  Remy Card <card@masi.ibp.fr>
+ *                           Laboratoire MASI, Institut Blaise Pascal
+ *                           Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30	- Creation
+ */
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+/*
+ * Deal with lame glibc's that define this function without actually
+ * implementing it.  Can you say "attractive nuisance", boys and girls?
+ * I knew you could!
+ */
+#ifdef __linux__
+#undef HAVE_CHFLAGS
+#endif
+
+int setflags (int fd, unsigned long flags)
+{
+#if HAVE_CHFLAGS
+	unsigned long bsd_flags = 0;
+
+#ifdef UF_IMMUTABLE
+	if (flags & EXT2_IMMUTABLE_FL)
+		bsd_flags |= UF_IMMUTABLE;
+#endif
+#ifdef UF_APPEND
+	if (flags & EXT2_APPEND_FL)
+		bsd_flags |= UF_APPEND;
+#endif
+#ifdef UF_NODUMP
+	if (flags & EXT2_NODUMP_FL)
+		bsd_flags |= UF_NODUMP;
+#endif
+
+	return fchflags (fd, bsd_flags);
+#else /* ! HAVE_CHFLAGS */
+#if HAVE_EXT2_IOCTLS
+	struct stat buf;
+	int	f;
+
+	if (!fstat(fd, &buf) &&
+	    !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+		errno = EOPNOTSUPP;
+		return -1;
+	}
+	f = (int) flags;
+
+	return ioctl(fd, EXT2_IOC_SETFLAGS, &f);
+#else
+	errno = EOPNOTSUPP;
+	return -1;
+#endif /* HAVE_EXT2_IOCTLS */
+#endif /* HAVE_CHFLAGS */
+}