[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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