From a8481a8c8d9b2e6825fa62e0eea72f1d1a53b577 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 18 Jan 2000 03:13:08 +0000 Subject: Update. 2000-01-12 Andreas Jaeger * sysdeps/unix/sysv/linux/xstatconv.c (xstat32_conv): New function; needed for 32bit uid support. * sysdeps/unix/sysv/linux/i386/xstat.c: New file, handles 32bit uids correctly. --- sysdeps/unix/sysv/linux/xstatconv.c | 70 ++++++++++++++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 1 deletion(-) (limited to 'sysdeps/unix/sysv/linux/xstatconv.c') diff --git a/sysdeps/unix/sysv/linux/xstatconv.c b/sysdeps/unix/sysv/linux/xstatconv.c index 0a8e0c47f9..d9b48d13ea 100644 --- a/sysdeps/unix/sysv/linux/xstatconv.c +++ b/sysdeps/unix/sysv/linux/xstatconv.c @@ -1,5 +1,5 @@ /* Convert between the kernel's `struct stat' format, and libc's. - Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1991, 1995, 1996, 1997, 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 @@ -143,3 +143,71 @@ xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf) return 0; #endif } + +static inline int +xstat32_conv (int vers, struct stat64 *kbuf, struct stat *buf) +{ + switch (vers) + { + case _STAT_VER_LINUX: + { + /* Convert current kernel version of `struct stat64' to `struct stat'. */ + buf->st_dev = kbuf->st_dev; +#ifdef _HAVE___PAD1 + buf->__pad1 = 0; +#endif + buf->st_ino = kbuf->st_ino; + buf->st_mode = kbuf->st_mode; + buf->st_nlink = kbuf->st_nlink; + buf->st_uid = kbuf->st_uid; + buf->st_gid = kbuf->st_gid; + buf->st_rdev = kbuf->st_rdev; +#ifdef _HAVE___PAD2 + buf->__pad2 = 0; +#endif + buf->st_size = kbuf->st_size; + /* Check for overflow. */ + if (buf->st_size != kbuf->st_size) + { + __set_errno (EOVERFLOW); + return -1; + } + buf->st_blksize = kbuf->st_blksize; + buf->st_blocks = kbuf->st_blocks; + /* Check for overflow. */ + if (buf->st_blocks != kbuf->st_blocks) + { + __set_errno (EOVERFLOW); + return -1; + } + buf->st_atime = kbuf->st_atime; +#ifdef _HAVE___UNUSED1 + buf->__unused1 = 0; +#endif + buf->st_mtime = kbuf->st_mtime; +#ifdef _HAVE___UNUSED2 + buf->__unused2 = 0; +#endif + buf->st_ctime = kbuf->st_ctime; +#ifdef _HAVE___UNUSED3 + buf->__unused3 = 0; +#endif +#ifdef _HAVE___UNUSED4 + buf->__unused4 = 0; +#endif +#ifdef _HAVE___UNUSED5 + buf->__unused5 = 0; +#endif + } + break; + + /* If struct stat64 is different from struct stat then + _STAT_VER_KERNEL does not make sense. */ + case _STAT_VER_KERNEL: + default: + __set_errno (EINVAL); + return -1; + } + + return 0; +} -- cgit 1.4.1