toolchain/uClibc/patches/160-add_openat_and_friends.patch

   1 Index: uClibc-0.9.29/libc/sysdeps/linux/common/openat.c
   2 ===================================================================
   3 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
   4 +++ uClibc-0.9.29/libc/sysdeps/linux/common/openat.c    2008-10-27 12:59:25.000000000 +0100
   5 @@ -0,0 +1,44 @@
   6 +/* vi: set sw=4 ts=4: */
   7 +/*
   8 + * openat() for uClibc
   9 + *
  10 + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
  11 + *
  12 + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  13 + */
  14 +
  15 +#include <sys/syscall.h>
  16 +#include <stdlib.h>
  17 +#include <stdarg.h>
  18 +#include <fcntl.h>
  19 +#include <string.h>
  20 +#include <sys/param.h>
  21 +#include <linux/version.h>
  22 +
  23 +extern __typeof(openat) __libc_openat;
  24 +
  25 +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,52)
  26 +#define __NR___syscall_openat __NR_openat
  27 +static inline _syscall4(int, __syscall_openat, int, fd, const char *, file,
  28 +               int, flags, __kernel_mode_t, mode);
  29 +
  30 +libc_hidden_proto(__libc_openat)
  31 +int __libc_openat(int fd, const char *file, int oflag, ...)
  32 +{
  33 +       mode_t mode = 0;
  34 +
  35 +       if (oflag & O_CREAT) {
  36 +               va_list arg;
  37 +               va_start (arg, oflag);
  38 +               mode = va_arg (arg, mode_t);
  39 +               va_end (arg);
  40 +       }
  41 +
  42 +       return __syscall_openat(fd, file, oflag, mode);
  43 +}
  44 +libc_hidden_def(__libc_openat)
  45 +
  46 +libc_hidden_proto(openat)
  47 +weak_alias(__libc_openat,openat)
  48 +libc_hidden_weak(openat)
  49 +#endif
  50 Index: uClibc-0.9.29/include/fcntl.h
  51 ===================================================================
  52 --- uClibc-0.9.29.orig/include/fcntl.h  2008-10-27 12:52:04.000000000 +0100
  53 +++ uClibc-0.9.29/include/fcntl.h       2008-10-27 13:08:11.000000000 +0100
  54 @@ -56,7 +56,7 @@
  55  # define SEEK_END      2       /* Seek from end of file.  */
  56  #endif /* XPG */
  57
  58 -#if 0 /*def __USE_GNU*/
  59 +#ifdef __USE_GNU
  60  # define AT_FDCWD              -100    /* Special value used to indicate
  61                                            openat should use the current
  62                                            working directory. */
  63 @@ -103,7 +103,7 @@
  64  extern int open64 (__const char *__file, int __oflag, ...) __nonnull ((1));
  65  #endif
  66
  67 -#if 0 /*def __USE_GNU*/
  68 +#ifdef __USE_GNU
  69  /* Similar to OPEN but a relative path name is interpreted relative to
  70     the directory for which FD is a descriptor.
  71