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-rw-r--r--lib/e2p/getflags.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/e2p/getflags.c b/lib/e2p/getflags.c
new file mode 100644
index 0000000..6708cd6
--- /dev/null
+++ b/lib/e2p/getflags.c
@@ -0,0 +1,71 @@
+/*
+ * getflags.c - Get 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"
+
+int getflags (int fd, unsigned long * flags)
+{
+#if HAVE_STAT_FLAGS
+ struct stat buf;
+
+ if (fstat (fd, &buf) == -1)
+ return -1;
+
+ *flags = 0;
+#ifdef UF_IMMUTABLE
+ if (buf.st_flags & UF_IMMUTABLE)
+ *flags |= EXT2_IMMUTABLE_FL;
+#endif
+#ifdef UF_APPEND
+ if (buf.st_flags & UF_APPEND)
+ *flags |= EXT2_APPEND_FL;
+#endif
+#ifdef UF_NODUMP
+ if (buf.st_flags & UF_NODUMP)
+ *flags |= EXT2_NODUMP_FL;
+#endif
+
+ return 0;
+#else
+#if HAVE_EXT2_IOCTLS
+ struct stat buf;
+ int r, f;
+
+ if (!fstat(fd, &buf) &&
+ !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode))
+ goto notsupp;
+ r = ioctl(fd, EXT2_IOC_GETFLAGS, &f);
+ *flags = f;
+
+ return r;
+notsupp:
+#endif /* HAVE_EXT2_IOCTLS */
+#endif
+ errno = EOPNOTSUPP;
+ return -1;
+}