1 files changed, 117 insertions, 0 deletions
diff --git a/lib/e2p/fgetflags.c b/lib/e2p/fgetflags.c
new file mode 100644
index 0000000..24a7166
--- /dev/null
+++ b/lib/e2p/fgetflags.c
@@ -0,0 +1,117 @@
+/*
+ * fgetflags.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
+ */
+
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+#ifndef O_LARGEFILE
+#define O_LARGEFILE 0
+#endif
+#ifndef O_NOFOLLOW
+#define O_NOFOLLOW 0
+#endif
+
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_NOFOLLOW)
+
+int fgetflags (const char * name, unsigned long * flags)
+{
+#if HAVE_STAT_FLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
+	struct stat buf;
+
+	if (stat (name, &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;
+#elif APPLE_DARWIN && HAVE_EXT2_IOCTLS
+	int f, save_errno = 0;
+
+	f = -1;
+	save_errno = syscall(SYS_fsctl, name, EXT2_IOC_GETFLAGS, &f, 0);
+	*flags = f;
+	return (save_errno);
+#elif HAVE_EXT2_IOCTLS
+	struct stat buf;
+	int fd, r, f, save_errno = 0;
+
+	if (!stat(name, &buf) &&
+	    !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+		errno = EOPNOTSUPP;
+		return -1;
+	}
+	fd = open(name, OPEN_FLAGS);
+	if (fd == -1) {
+		if (errno == ELOOP || errno == ENXIO)
+			errno = EOPNOTSUPP;
+		return -1;
+	}
+	if (!fstat(fd, &buf) &&
+	    !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+		close(fd);
+		errno = EOPNOTSUPP;
+		return -1;
+	}
+	r = ioctl(fd, EXT2_IOC_GETFLAGS, &f);
+	if (r == -1) {
+		if (errno == ENOTTY)
+			errno = EOPNOTSUPP;
+		save_errno = errno;
+	}
+	*flags = f;
+	close(fd);
+	if (save_errno)
+		errno = save_errno;
+	return r;
+#else
+	errno = EOPNOTSUPP;
+	return -1;
+#endif
+}