[RFC PATCH 27/38] statfs: fall back to statfs64 syscall

Jonas Bonn jonas at southpole.se
Tue Sep 6 08:30:51 UTC 2011


Signed-off-by: Jonas Bonn <jonas at southpole.se>
---
 libc/sysdeps/linux/common/statfs.c |   36 ++++++++++++++++++++++++++++++++++++
 1 files changed, 36 insertions(+), 0 deletions(-)

diff --git a/libc/sysdeps/linux/common/statfs.c b/libc/sysdeps/linux/common/statfs.c
index d24bc9d..5e8d387 100644
--- a/libc/sysdeps/linux/common/statfs.c
+++ b/libc/sysdeps/linux/common/statfs.c
@@ -12,6 +12,8 @@
 #include <sys/param.h>
 #include <sys/vfs.h>
 
+#ifdef __NR_statfs
+
 extern __typeof(statfs) __libc_statfs attribute_hidden;
 #define __NR___libc_statfs __NR_statfs
 _syscall2(int, __libc_statfs, const char *, path, struct statfs *, buf)
@@ -20,3 +22,37 @@ _syscall2(int, __libc_statfs, const char *, path, struct statfs *, buf)
 /* statfs is used by NPTL, so it must exported in case */
 weak_alias(__libc_statfs,statfs)
 #endif
+
+#elif defined __NR_statfs64
+
+int __libc_statfs(const char *path, struct statfs *buf)
+{
+	struct statfs64 b;
+	int err;
+
+	err = INLINE_SYSCALL(statfs64, 2, path, &b);
+	
+	if (err < 0) {
+		__set_errno(-err);
+		return -1;
+	}
+
+	buf->f_type = b.f_type;
+	buf->f_bsize = b.f_bsize;
+	buf->f_blocks = b.f_blocks;
+	buf->f_bfree = b.f_bfree;
+	buf->f_bavail = b.f_bavail;
+	buf->f_files = b.f_files;
+	buf->f_ffree = b.f_ffree;
+	buf->f_fsid = b.f_fsid;
+	buf->f_namelen = b.f_namelen;
+	buf->f_frsize = b.f_frsize;
+/*	buf->f_flags = b.f_flags;*/
+
+	return err;
+}
+
+#if defined __UCLIBC_LINUX_SPECIFIC__
+weak_alias(__libc_statfs,statfs)
+#endif
+#endif
-- 
1.7.5.4



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