Added initial unfs3 sources for version 0.9.22+dfsg-1maemo2

[unfs3] / unfs3 / error.c

diff --git a/unfs3/error.c b/unfs3/error.c
new file mode 100644 (file)
index 0000000..920d974
--- /dev/null
+++ b/unfs3/error.c
@@ -0,0 +1,280 @@
+
+/*
+ * UNFS3 error translation
+ * (C) 2004, Pascal Schmidt
+ * see file LICENSE for license details
+ */
+
+/*
+ * translations from Unix errno to NFS error numbers
+ */
+
+#include "config.h"
+
+#include <rpc/rpc.h>
+#include <errno.h>
+
+#include "nfs.h"
+#include "error.h"
+#include "backend.h"
+
+static int is_stale(void)
+{
+    if (errno == ENOTDIR || errno == ELOOP || errno == ENOENT ||
+       errno == ENAMETOOLONG)
+       return -1;
+    else
+       return 0;
+}
+
+nfsstat3 symlink_err(void)
+{
+    if (errno == EACCES || errno == EPERM)
+       return NFS3ERR_ACCES;
+    else if (is_stale())
+       return NFS3ERR_STALE;
+    else if (errno == EROFS)
+       return NFS3ERR_ROFS;
+    else if (errno == EEXIST)
+       return NFS3ERR_EXIST;
+    else if (errno == ENOSPC)
+       return NFS3ERR_NOSPC;
+#ifdef EDQUOT
+    else if (errno == EDQUOT)
+       return NFS3ERR_DQUOT;
+#endif
+    else if (errno == ENOSYS)
+       return NFS3ERR_NOTSUPP;
+    else if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 mkdir_err(void)
+{
+    return symlink_err();
+}
+
+nfsstat3 mknod_err(void)
+{
+    return symlink_err();
+}
+
+nfsstat3 link_err(void)
+{
+    if (errno == EXDEV)
+       return NFS3ERR_XDEV;
+    else if (errno == EMLINK)
+       return NFS3ERR_MLINK;
+#ifdef EDQUOT
+    else if (errno == EDQUOT)
+       return NFS3ERR_DQUOT;
+#endif
+    else
+       return symlink_err();
+}
+
+nfsstat3 lookup_err(void)
+{
+    if (errno == ENOENT)
+       return NFS3ERR_NOENT;
+#ifdef ENOMEDIUM
+    else if (errno == ENOMEDIUM)
+       return NFS3ERR_NOENT;
+#endif
+    else if (errno == EACCES)
+       return NFS3ERR_ACCES;
+    else if (errno == ENOTDIR || errno == ELOOP || errno == ENAMETOOLONG)
+       return NFS3ERR_STALE;
+    else if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 readlink_err(void)
+{
+    if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else if (errno == EACCES)
+       return NFS3ERR_ACCES;
+    else if (errno == ENOSYS)
+       return NFS3ERR_NOTSUPP;
+    else if (is_stale())
+       return NFS3ERR_STALE;
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 read_err(void)
+{
+    if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else if (is_stale())
+       return NFS3ERR_STALE;
+    else if (errno == EACCES)
+       return NFS3ERR_ACCES;
+    else if (errno == ENXIO || errno == ENODEV)
+       return NFS3ERR_NXIO;
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 write_open_err(void)
+{
+    if (errno == EACCES)
+       return NFS3ERR_ACCES;
+    else if (is_stale())
+       return NFS3ERR_STALE;
+    else if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else if (errno == EROFS)
+       return NFS3ERR_ROFS;
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 write_write_err(void)
+{
+    if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else if (errno == EFBIG)
+       return NFS3ERR_FBIG;
+    else if (errno == ENOSPC)
+       return NFS3ERR_NOSPC;
+#ifdef EDQUOT
+    else if (errno == EDQUOT)
+       return NFS3ERR_DQUOT;
+#endif
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 create_err(void)
+{
+    if (errno == EACCES)
+       return NFS3ERR_ACCES;
+    else if (is_stale())
+       return NFS3ERR_STALE;
+    else if (errno == EROFS)
+       return NFS3ERR_ROFS;
+    else if (errno == ENOSPC)
+       return NFS3ERR_NOSPC;
+    else if (errno == EEXIST)
+       return NFS3ERR_EXIST;
+#ifdef EDQUOT
+    else if (errno == EDQUOT)
+       return NFS3ERR_DQUOT;
+#endif
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 rename_err(void)
+{
+    if (errno == EISDIR)
+       return NFS3ERR_ISDIR;
+    else if (errno == EXDEV)
+       return NFS3ERR_XDEV;
+    else if (errno == EEXIST)
+       return NFS3ERR_EXIST;
+    else if (errno == ENOTEMPTY)
+       return NFS3ERR_NOTEMPTY;
+    else if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else if (errno == ENOTDIR)
+       return NFS3ERR_NOTDIR;
+    else if (errno == EACCES || errno == EPERM)
+       return NFS3ERR_ACCES;
+    else if (errno == ENOENT)
+       return NFS3ERR_NOENT;
+    else if (errno == ELOOP || errno == ENAMETOOLONG)
+       return NFS3ERR_STALE;
+    else if (errno == EROFS)
+       return NFS3ERR_ROFS;
+    else if (errno == ENOSPC)
+       return NFS3ERR_NOSPC;
+#ifdef EDQUOT
+    else if (errno == EDQUOT)
+       return NFS3ERR_DQUOT;
+#endif
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 remove_err(void)
+{
+    if (errno == EACCES || errno == EPERM)
+       return NFS3ERR_ACCES;
+    else if (errno == ENOENT)
+       return ENOENT;
+    else if (errno == ENOTDIR || errno == ELOOP || errno == ENAMETOOLONG)
+       return NFS3ERR_STALE;
+    else if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else if (errno == EROFS)
+       return NFS3ERR_ROFS;
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 rmdir_err(void)
+{
+    if (errno == ENOTEMPTY)
+       return NFS3ERR_NOTEMPTY;
+    else
+       return remove_err();
+}
+
+nfsstat3 setattr_err(void)
+{
+    if (errno == EPERM)
+       return NFS3ERR_PERM;
+    else if (errno == EROFS)
+       return NFS3ERR_ROFS;
+    else if (is_stale())
+       return NFS3ERR_STALE;
+    else if (errno == EACCES)
+       return NFS3ERR_ACCES;
+#ifdef EDQUOT
+    else if (errno == EDQUOT)
+       return NFS3ERR_DQUOT;
+#endif
+    else if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else
+       return NFS3ERR_IO;
+}
+
+nfsstat3 readdir_err(void)
+{
+    if (errno == EPERM)
+       return NFS3ERR_PERM;
+    else if (errno == EACCES)
+       return NFS3ERR_ACCES;
+    else if (errno == ENOTDIR)
+       return NFS3ERR_NOTDIR;
+    else if (is_stale())
+       return NFS3ERR_STALE;
+    else if (errno == EINVAL)
+       return NFS3ERR_INVAL;
+    else
+       return NFS3ERR_IO;
+}
+
+/*
+ * combine two error values
+ */
+nfsstat3 join(nfsstat3 x, nfsstat3 y)
+{
+    return (x != NFS3_OK) ? x : y;
+}
+
+/*
+ * combine three error values
+ */
+nfsstat3 join3(nfsstat3 x, nfsstat3 y, nfsstat3 z)
+{
+    return (x != NFS3_OK) ? x : join(y, z);
+}