diff options
Diffstat (limited to 'stdio/fgetpos.c')
-rw-r--r-- | stdio/fgetpos.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/stdio/fgetpos.c b/stdio/fgetpos.c new file mode 100644 index 0000000000..cb6a1588ba --- /dev/null +++ b/stdio/fgetpos.c @@ -0,0 +1,40 @@ +/* Copyright (C) 1991 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 <stdio.h> + +#undef fgetpos + + +/* Put the current position of STREAM in *POS. */ +int +DEFUN(fgetpos, (stream, pos), FILE *stream AND fpos_t *pos) +{ + if (!__validfp(stream) || pos == NULL) + { + errno = EINVAL; + return(-1); + } + + *pos = ftell(stream); + if (*pos < 0L) + return(-1); + return(0); +} |