From b3a59f408e7462fbd77289e8c3f50606044a585a Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 17 Oct 1995 05:49:48 +0000 Subject: Tue Oct 17 01:21:21 1995 Roland McGrath * stdio-common/psignal.c: Translate signal description strings. * string/strsignal.c: Likewise. * sysdeps/generic/_strerror.c (_strerror_internal): Translate error strings. * sysdeps/mach/_strerror.c: Likewise. * stdio-common/snprintf.c (__snprintf): Renamed from snprintf; call __vsnprintf. (snprintf): Define as weak alias. * stdio/vsnprintf.c (__vsnprintf): Renamed from vsnprintf. (vsnprintf): Define as weak alias. * libc-symbols.h [! ASSEMBLER] (_): New macro. --- stdio/vsnprintf.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 stdio/vsnprintf.c (limited to 'stdio/vsnprintf.c') diff --git a/stdio/vsnprintf.c b/stdio/vsnprintf.c new file mode 100644 index 0000000..5de157d --- /dev/null +++ b/stdio/vsnprintf.c @@ -0,0 +1,56 @@ +/* Copyright (C) 1991, 1992, 1995 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 + + +/* + * Write formatted output to S according to the format string + * FORMAT, using the argument list in ARG, writing no more + * than MAXLEN characters. + */ +int +__vsnprintf (char *s, size_t maxlen, const char *format, va_list arg) +{ + int done; + FILE f; + + memset((PTR) &f, 0, sizeof(f)); + f.__magic = _IOMAGIC; + f.__mode.__write = 1; + /* The buffer size is one less than MAXLEN + so we have space for the null terminator. */ + f.__bufp = f.__buffer = (char *) s; + f.__bufsize = maxlen - 1; + f.__put_limit = f.__buffer + f.__bufsize; + f.__get_limit = f.__buffer; + /* After the buffer is full (MAXLEN characters have been written), + any more characters written will go to the bit bucket. */ + f.__room_funcs = __default_room_functions; + f.__io_funcs.__write = NULL; + f.__seen = 1; + + done = vfprintf(&f, format, arg); + *f.__bufp = '\0'; + + return done; +} +weak_alias (__vsnprintf, vsnprintf) -- cgit v1.1