diff options
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/Makefile | 3 | ||||
| -rw-r--r-- | stdlib/errno.h | 73 | ||||
| -rw-r--r-- | stdlib/sys/errno.h | 1 |
3 files changed, 76 insertions, 1 deletions
diff --git a/stdlib/Makefile b/stdlib/Makefile index ab6c8bf6a2..18adf35624 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -22,7 +22,8 @@ subdir := stdlib headers := stdlib.h alloca.h monetary.h fmtmsg.h ucontext.h sys/ucontext.h \ - inttypes.h stdint.h bits/wordsize.h bits/wchar.h + inttypes.h stdint.h bits/wordsize.h bits/wchar.h \ + errno.h sys/errno.h bits/errno.h routines := \ atof atoi atol atoll \ diff --git a/stdlib/errno.h b/stdlib/errno.h new file mode 100644 index 0000000000..f33b0c921c --- /dev/null +++ b/stdlib/errno.h @@ -0,0 +1,73 @@ +/* Copyright (C) 1991,92,93,94,95,96,97,2002 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. */ + +/* + * ISO C99 Standard: 7.5 Errors <errno.h> + */ + +#ifndef _ERRNO_H + +/* The includer defined __need_Emath if he wants only the definitions + of EDOM and ERANGE, and not everything else. */ +#ifndef __need_Emath +# define _ERRNO_H 1 +# include <features.h> +#endif + +__BEGIN_DECLS + +/* Get the error number constants from the system-specific file. + This file will test __need_Emath and _ERRNO_H. */ +#include <bits/errno.h> +#undef __need_Emath + +#ifdef _ERRNO_H + +/* Declare the `errno' variable, unless it's defined as a macro by + bits/errno.h. This is the case in GNU, where it is a per-thread + variable. This redeclaration using the macro still works, but it + will be a function declaration without a prototype and may trigger + a -Wstrict-prototypes warning. */ +#ifndef errno +extern int errno; +#endif + +#ifdef __USE_GNU + +/* The full and simple forms of the name with which the program was + invoked. These variables are set up automatically at startup based on + the value of ARGV[0] (this works only if you use GNU ld). */ +extern char *program_invocation_name, *program_invocation_short_name; +#endif /* __USE_GNU */ +#endif /* _ERRNO_H */ + +__END_DECLS + +#endif /* _ERRNO_H */ + +/* The Hurd <bits/errno.h> defines `error_t' as an enumerated type so + that printing `error_t' values in the debugger shows the names. We + might need this definition sometimes even if this file was included + before. */ +#if defined __USE_GNU || defined __need_error_t +# ifndef __error_t_defined +typedef int error_t; +# define __error_t_defined 1 +# endif +# undef __need_error_t +#endif diff --git a/stdlib/sys/errno.h b/stdlib/sys/errno.h new file mode 100644 index 0000000000..339f4fc10c --- /dev/null +++ b/stdlib/sys/errno.h @@ -0,0 +1 @@ +#include <errno.h> |