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author | Roland McGrath <roland@gnu.org> | 1995-11-20 03:48:11 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1995-11-20 03:48:11 +0000 |
commit | 96aa2d94a2355cdc55c96e808d14a0e7f2ebe77d (patch) | |
tree | f7c87e6742af0707b858a1387ca85b679aa8d13e /libio/iofgetpos.c | |
parent | a5a81fecc7194d050066265a15b1ba8bc3abc627 (diff) | |
download | glibc-96aa2d94a2355cdc55c96e808d14a0e7f2ebe77d.zip glibc-96aa2d94a2355cdc55c96e808d14a0e7f2ebe77d.tar.gz glibc-96aa2d94a2355cdc55c96e808d14a0e7f2ebe77d.tar.bz2 |
Sat Nov 18 16:46:01 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu>
* libio/Makefile, libio/cleanup.c, libio/clearerr.c, libio/feof.c,
libio/ferror.c, libio/fgetc.c, libio/filedoalloc.c, libio/fileno.c,
libio/fileops.c, libio/fputc.c, libio/freopen.c, libio/fseek.c,
libio/genops.c, libio/getc.c, libio/getchar.c, libio/iofclose.c,
libio/iofdopen.c, libio/iofflush.c, libio/iofgetpos.c, libio/iofgets.c,
libio/iofopen.c, libio/iofprintf.c, libio/iofputs.c, libio/iofread.c,
libio/iofscanf.c, libio/iofsetpos.c, libio/ioftell.c, libio/iofwrite.c,
libio/iogetdelim.c, libio/iogetline.c, libio/iogets.c, libio/iolibio.h,
libio/iopadn.c, libio/ioprims.c, libio/ioputs.c, libio/ioseekoff.c,
libio/ioseekpos.c, libio/iosetbuffer.c, libio/iosetvbuf.c,
libio/iosprintf.c, libio/ioungetc.c, libio/iovsprintf.c,
libio/iovsscanf.c, libio/libio.h, libio/libioP.h, libio/putc.c,
libio/putchar.c, libio/rewind.c, libio/setbuf.c, libio/setlinebuf.c,
libio/stdfiles.c, libio/stdio.c, libio/stdio.h, libio/strfile.h,
libio/strops.c, libio/vasprintf.c, libio/vscanf.c, libio/vsnprintf.c:
New files. Slightly modified version from Linux libc.
* libio/memstream.c, libio/vdprintf.c: New files for functions not
(yet) part of GNU libio.
* libio/iofopncook.c: Implementation of `fopencookie', mainly written
by Per Bothner.
* stdio-common/getline.c: Adapted to libio.
* stdio-common/snprintf.c: Adapted to libio.
* stdio-common/vfprintf.c: Adapted to libio.
* stdio-common/vfscanf.c: Adapted to libio.
* sysdeps/posix/tempname.c: Adapted to libio.
Diffstat (limited to 'libio/iofgetpos.c')
-rw-r--r-- | libio/iofgetpos.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/libio/iofgetpos.c b/libio/iofgetpos.c new file mode 100644 index 0000000..bc2215f --- /dev/null +++ b/libio/iofgetpos.c @@ -0,0 +1,49 @@ +/* +Copyright (C) 1993, 1995 Free Software Foundation + +This file is part of the GNU IO Library. This library is free +software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) +any later version. + +This 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +#include "libioP.h" +#include <errno.h> +/* ANSI explicily requires setting errno to a positive value on failure. */ + +int +_IO_fgetpos (fp, posp) + _IO_FILE* fp; + _IO_fpos_t *posp; +{ + _IO_fpos_t pos; + CHECK_FILE (fp, EOF); + pos = _IO_seekoff (fp, 0, _IO_seek_cur, 0); + if (pos == _IO_pos_BAD) + { +#ifdef EIO + if (errno == 0) + errno = EIO; +#endif + return EOF; + } + *posp = pos; + return 0; +} + +weak_alias (_IO_fgetpos, fgetpos) |