Updated to fedora-glibc-20070731T1624cvs/fedora-glibc-2_6_90-1

1 files changed, 177 insertions, 0 deletions

diff --git a/io/bits/fcntl2.h b/io/bits/fcntl2.h
new file mode 100644
index 0000000000..a1b03f6194
--- /dev/null
+++ b/io/bits/fcntl2.h
@@ -0,0 +1,177 @@
+/* Checking macros for fcntl functions.
+   Copyright (C) 2007 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_FCNTL_H
+# error "Never include <bits/fcntl2.h> directly; use <fcntl.h> instead."
+#endif
+
+/* Check that calls to open and openat with O_CREAT set have an
+   appropriate third/fourth parameter.  */
+#ifndef __USE_FILE_OFFSET64
+extern int __open_2 (__const char *__path, int __oflag) __nonnull ((1));
+#else
+extern int __REDIRECT (__open_2, (__const char *__file, int __oflag),
+		       __open64_2) __nonnull ((1));
+#endif
+
+#define open(fname, flags, ...) \
+  ({ int ___r;								      \
+     /* If the compiler complains about an invalid type, excess elements, etc \
+	in the initialization this means a parameter of the wrong type has    \
+	been passed to open. */						      \
+     int ___arr[] = { __VA_ARGS__ };					      \
+     if (__builtin_constant_p (flags) && ((flags) & O_CREAT) != 0)	      \
+       {								      \
+	 /* If the compiler complains about the size of this array type the   \
+	    mode parameter is missing since O_CREAT has been used.  */	      \
+	 typedef int __open_missing_mode[((flags) & O_CREAT) != 0	      \
+					 ? ((long int) sizeof (___arr)	      \
+					    - (long int) sizeof (int)) : 1];  \
+       }								      \
+     if (sizeof (___arr) == 0)						      \
+       {								      \
+	 if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0)	      \
+	   ___r = open (fname, flags);					      \
+	 else     							      \
+	   ___r = __open_2 (fname, flags);				      \
+       }								      \
+     else								      \
+       {								      \
+	 /* If the compiler complains about the size of this array type too   \
+	    many parameters have been passed to open.  */		      \
+	 typedef int __open_too_many_args[-(sizeof (___arr) > sizeof (int))]; \
+	 ___r = open (fname, flags, ___arr[0]);				      \
+       }								      \
+     ___r;								      \
+  })
+
+
+#ifdef __USE_LARGEFILE64
+extern int __open64_2 (__const char *__path, int __oflag) __nonnull ((1));
+
+# define open64(fname, flags, ...) \
+  ({ int ___r;								      \
+     /* If the compiler complains about an invalid type, excess elements, etc \
+	in the initialization this means a parameter of the wrong type has    \
+	been passed to open64. */					      \
+     int ___arr[] = { __VA_ARGS__ };					      \
+     if (__builtin_constant_p (flags) && ((flags) & O_CREAT) != 0)	      \
+       {								      \
+	 /* If the compiler complains about the size of this array type the   \
+	    mode parameter is missing since O_CREAT has been used.  */	      \
+	 typedef int __open_missing_mode[((flags) & O_CREAT) != 0	      \
+					 ? ((long int) sizeof (___arr)	      \
+					    - (long int) sizeof (int)) : 1];  \
+       }								      \
+     if (sizeof (___arr) == 0)						      \
+       {								      \
+	 if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0)	      \
+	   ___r = open64 (fname, flags);				      \
+	 else     							      \
+	   ___r = __open64_2 (fname, flags);				      \
+       }								      \
+     else								      \
+       {								      \
+	 /* If the compiler complains about the size of this array type too   \
+	    many parameters have been passed to open64.  */		      \
+	 typedef int __open_too_many_args[-(sizeof (___arr) > sizeof (int))]; \
+	 ___r = open64 (fname, flags, ___arr[0]);			      \
+       }								      \
+     ___r;								      \
+  })
+#endif
+
+#ifdef __USE_ATFILE
+# ifndef __USE_FILE_OFFSET64
+extern int __openat_2 (int __fd, __const char *__path, int __oflag)
+     __nonnull ((2));
+# else
+extern int __REDIRECT (__openat_2, (int __fd, __const char *__file,
+				    int __oflag), __openat64_2)
+     __nonnull ((2));
+# endif
+
+# define openat(fd, fname, flags, ...) \
+  ({ int ___r;								      \
+     /* If the compiler complains about an invalid type, excess elements, etc \
+	in the initialization this means a parameter of the wrong type has    \
+	been passed to openat. */					      \
+     int ___arr[] = { __VA_ARGS__ };					      \
+     if (__builtin_constant_p (flags) && ((flags) & O_CREAT) != 0)	      \
+       {								      \
+	 /* If the compiler complains about the size of this array type the   \
+	    mode parameter is missing since O_CREAT has been used.  */	      \
+	 typedef int __open_missing_mode[((flags) & O_CREAT) != 0	      \
+					 ? ((long int) sizeof (___arr)	      \
+					    - (long int) sizeof (int)) : 1];  \
+       }								      \
+     if (sizeof (___arr) == 0)						      \
+       {								      \
+	 if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0)	      \
+	   ___r = openat (fd, fname, flags);				      \
+	 else     							      \
+	   ___r = __openat_2 (fd, fname, flags);			      \
+       }								      \
+     else								      \
+       {								      \
+	 /* If the compiler complains about the size of this array type too   \
+	    many parameters have been passed to openat.  */		      \
+	 typedef int __open_too_many_args[-(sizeof (___arr) > sizeof (int))]; \
+	 ___r = openat (fd, fname, flags, ___arr[0]);			      \
+       }								      \
+     ___r;								      \
+  })
+
+
+# ifdef __USE_LARGEFILE64
+extern int __openat64_2 (int __fd, __const char *__path, int __oflag)
+     __nonnull ((2));
+
+#  define openat64(fd, fname, flags, ...) \
+  ({ int ___r;								      \
+     /* If the compiler complains about an invalid type, excess elements, etc \
+	in the initialization this means a parameter of the wrong type has    \
+	been passed to openat64. */					      \
+     int ___arr[] = { __VA_ARGS__ };					      \
+     if (__builtin_constant_p (flags) && ((flags) & O_CREAT) != 0)	      \
+       {								      \
+	 /* If the compiler complains about the size of this array type the   \
+	    mode parameter is missing since O_CREAT has been used.  */	      \
+	 typedef int __open_missing_mode[((flags) & O_CREAT) != 0	      \
+					 ? ((long int) sizeof (___arr)	      \
+					    - (long int) sizeof (int)) : 1];  \
+       }								      \
+     if (sizeof (___arr) == 0)						      \
+       {								      \
+	 if (__builtin_constant_p (flags) && ((flags) & O_CREAT) == 0)	      \
+	   ___r = openat64 (fd, fname, flags);				      \
+	 else     							      \
+	   ___r = __openat64_2 (fd, fname, flags);			      \
+       }								      \
+     else								      \
+       {								      \
+	 /* If the compiler complains about the size of this array type too   \
+	    many parameters have been passed to openat64.  */		      \
+	 typedef int __open_too_many_args[-(sizeof (___arr) > sizeof (int))]; \
+	 ___r = openat64 (fd, fname, flags, ___arr[0]);			      \
+       }								      \
+     ___r;								      \
+  })
+# endif
+#endif