just include fcntl.h not sys/fcntl.h

[oweals/busybox.git] / util-linux / freeramdisk.c

diff --git a/util-linux/freeramdisk.c b/util-linux/freeramdisk.c
index b5449750abd6e914fcb8b60d1c3e08c817e0d7db..1f010c721896a5ebca83af0f72d4b08134d6df1f 100644 (file)
--- a/util-linux/freeramdisk.c
+++ b/util-linux/freeramdisk.c
@@ -18,7 +18,12 @@
 #include <unistd.h>
 #include "busybox.h"
 
-extern int freeramdisk_main(int argc, char **argv)
+/* From linux/fs.h */
+#define BLKFLSBUF  _IO(0x12,97)
+/* From <linux/fd.h> */
+#define FDFLUSH  _IO(2,0x4b)
+
+int freeramdisk_main(int argc, char **argv)
 {
        int result;
        int fd;
@@ -28,8 +33,8 @@ extern int freeramdisk_main(int argc, char **argv)
        fd = bb_xopen(argv[1], O_RDWR);
 
        // Act like freeramdisk, fdflush, or both depending on configuration.
-       result = ioctl(fd, (bb_applet_name[1]=='r' && ENABLE_FREERAMDISK)
-                       || !ENABLE_FDFLUSH ? _IO(0x12,97) : _IO(2,0x4b));
+       result = ioctl(fd, (ENABLE_FREERAMDISK && bb_applet_name[1]=='r')
+                       || !ENABLE_FDFLUSH ? BLKFLSBUF : FDFLUSH);
 
        if (ENABLE_FEATURE_CLEAN_UP) close(fd);