diff options
Diffstat (limited to 'stdio-common/vsscanf.c')
-rw-r--r-- | stdio-common/vsscanf.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/stdio-common/vsscanf.c b/stdio-common/vsscanf.c new file mode 100644 index 0000000..6f027d5 --- /dev/null +++ b/stdio-common/vsscanf.c @@ -0,0 +1,58 @@ +/* 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 <ansidecl.h> +#include <errno.h> +#include <stdarg.h> +#include <stdio.h> +#include <string.h> + +#undef vsscanf + + +/* Read formatted input from S according to the format + string FORMAT, using the argument list in ARG. */ +int +DEFUN(__vsscanf, (s, format, arg), + CONST char *s AND CONST char *format AND va_list arg) +{ + FILE f; + + if (s == NULL) + { + errno = EINVAL; + return -1; + } + + memset((PTR) &f, 0, sizeof(f)); + f.__magic = _IOMAGIC; + f.__mode.__read = 1; + f.__bufp = f.__buffer = (char *) s; + f.__bufsize = strlen(s); + f.__get_limit = f.__buffer + f.__bufsize; + f.__put_limit = f.__buffer; + /* After the buffer is empty (strlen(S) characters have been read), + any more read attempts will get EOF. */ + f.__room_funcs.__input = NULL; + f.__seen = 1; + + return __vfscanf(&f, format, arg); +} + + +weak_alias (__vsscanf, vsscanf) |