1 files changed, 82 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/getresuid.c b/sysdeps/unix/sysv/linux/i386/getresuid.c
new file mode 100644
index 0000000000..27eca40745
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/getresuid.c
@@ -0,0 +1,82 @@
+/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include <linux/posix_types.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include "kernel-features.h"
+
+#ifdef __NR_getresuid
+
+extern int __syscall_getresuid (__kernel_uid_t *ruid, __kernel_uid_t *euid,
+				__kernel_uid_t *suid);
+
+# ifdef __NR_getresuid32
+extern int __syscall_getresuid32 (__kernel_uid32_t *ruid, __kernel_uid32_t *euid,
+				  __kernel_uid32_t *suid);
+#  if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+#  endif
+# endif /* __NR_getresuid32 */
+
+int
+getresuid (uid_t *ruid, uid_t *euid, uid_t *suid)
+{
+# if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (getresuid32, 3, ruid, euid, suid);
+# else
+  __kernel_uid_t k_ruid, k_euid, k_suid;
+  int result;
+#  ifdef __NR_getresuid32
+  if (__libc_missing_32bit_uids <= 0)
+    {
+      int r;
+      int saved_errno = errno;
+
+      r = INLINE_SYSCALL (getresuid32, 3, ruid, euid, suid);
+      if (r == 0 || errno != ENOSYS)
+	return r;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_getresuid32 */
+
+  result = INLINE_SYSCALL (getresuid, 3, &k_ruid, &k_euid, &k_suid);
+
+  if (result == 0)
+    {
+      *ruid = (uid_t) k_ruid;
+      *euid = (uid_t) k_euid;
+      *suid = (uid_t) k_suid;
+    }
+
+  return result;
+# endif
+}
+#else
+# include <sysdeps/generic/getresuid.c>
+#endif