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author | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1995-02-18 01:27:10 +0000 |
commit | 28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch) | |
tree | 15f07c4c43d635959c6afee96bde71fb1b3614ee /stdio/vdprintf.c | |
download | glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz |
initial import
Diffstat (limited to 'stdio/vdprintf.c')
-rw-r--r-- | stdio/vdprintf.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/stdio/vdprintf.c b/stdio/vdprintf.c new file mode 100644 index 0000000000..9df4e537bc --- /dev/null +++ b/stdio/vdprintf.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1991, 1992, 1993 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., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <errno.h> +#include <limits.h> +#include <stdarg.h> +#include <stdio.h> +#include <string.h> + + +/* Write formatted output to file descriptor D according to the format string + FORMAT, using the argument list in ARG. */ +int +DEFUN(vdprintf, (d, format, arg), + int d AND CONST char *format AND va_list arg) +{ + int done; + FILE f; + + /* Create an unbuffered stream talking to D on the stack. */ + memset ((PTR) &f, 0, sizeof(f)); + f.__magic = _IOMAGIC; + f.__mode.__write = 1; + f.__cookie = (PTR) (long int) d; /* Casting to long quiets GCC on Alpha. */ + f.__room_funcs = __default_room_functions; + f.__io_funcs = __default_io_functions; + f.__seen = 1; + f.__userbuf = 1; + + /* vfprintf will use a buffer on the stack for the life of the call, + and flush it when finished. */ + done = vfprintf (&f, format, arg); + + return done; +} |