From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- stdio/vsprintf.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 stdio/vsprintf.c (limited to 'stdio/vsprintf.c') diff --git a/stdio/vsprintf.c b/stdio/vsprintf.c new file mode 100644 index 0000000..82be90f --- /dev/null +++ b/stdio/vsprintf.c @@ -0,0 +1,50 @@ +/* Copyright (C) 1991, 1992 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 +#include +#include +#include +#include +#include + + +/* Write formatted output to S according to the format string + FORMAT, using the argument list in ARG. */ +int +DEFUN(vsprintf, (s, format, arg), + char *s AND CONST char *format AND va_list arg) +{ + int done; + FILE f; + + memset((PTR) &f, 0, sizeof(f)); + f.__magic = _IOMAGIC; + f.__mode.__write = 1; + f.__bufp = f.__buffer = (char *) s; + f.__put_limit = (char *) ULONG_MAX; + f.__bufsize = (size_t) (f.__put_limit - f.__bufp); + f.__get_limit = f.__buffer; + f.__room_funcs.__output = NULL; + f.__seen = 1; + + done = vfprintf(&f, format, arg); + *f.__bufp = '\0'; + + return done; +} -- cgit v1.1