ext4: add support for printing the error code associated with an error

[tools/e2fsprogs.git] / lib / e2p / fsetflags.c

diff --git a/lib/e2p/fsetflags.c b/lib/e2p/fsetflags.c
index 62189c9..027834b 100644 (file)
--- a/lib/e2p/fsetflags.c
+++ b/lib/e2p/fsetflags.c
@@ -5,8 +5,10 @@
  *                           Laboratoire MASI, Institut Blaise Pascal
  *                           Universite Pierre et Marie Curie (Paris VI)
  *
- * This file can be redistributed under the terms of the GNU Library General
- * Public License
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
  */
 
 /*
@@ -14,9 +16,14 @@
  * 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
@@ -49,7 +56,6 @@
 
 int fsetflags (const char * name, unsigned long flags)
 {
-       struct stat buf;
 #if HAVE_CHFLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
        unsigned long bsd_flags = 0;
 
@@ -67,9 +73,10 @@ int fsetflags (const char * name, unsigned long flags)
 #endif
 
        return chflags (name, bsd_flags);
-#else
+#else /* !HAVE_CHFLAGS || (APPLE_DARWIN && HAVE_EXT2_IOCTLS) */
 #if HAVE_EXT2_IOCTLS
        int fd, r, f, save_errno = 0;
+       struct stat buf;
 
        if (!lstat(name, &buf) &&
            !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
@@ -86,14 +93,15 @@ int fsetflags (const char * name, unsigned long flags)
        close (fd);
        if (save_errno)
                errno = save_errno;
-#else
-   f = (int) flags;
-   return syscall(SYS_fsctl, name, EXT2_IOC_SETFLAGS, &f, 0);
-#endif
+#else /* APPLE_DARWIN */
+       f = (int) flags;
+       return syscall(SYS_fsctl, name, EXT2_IOC_SETFLAGS, &f, 0);
+#endif /* !APPLE_DARWIN */
        return r;
+
+notsupp:
 #endif /* HAVE_EXT2_IOCTLS */
 #endif
-notsupp:
        errno = EOPNOTSUPP;
        return -1;
 }