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newlib-cygwin/newlib/libc/stdio/feof.c

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2004-04-23 Artem B. Bityuckiy <abitytsky@softminecorp.com> * libc/stdio/asprintf.c libc/stdio/clearerr.c, libc/stdio/fclose.c libc/stdio/fcloseall.c libc/stdio/fdopen.c, libc/stdio/feof.c libc/stdio/ferror.c libc/stdio/fflush.c, libc/stdio/fgetc.c libc/stdio/fgetpos.c libc/stdio/fgets.c, libc/stdio/fileno.c libc/stdio/findfp.c libc/stdio/fiprintf.c, libc/stdio/flags.c libc/stdio/fopen.c libc/stdio/fprintf.c, libc/stdio/fputc.c libc/stdio/fputs.c libc/stdio/fread.c, libc/stdio/freopen.c libc/stdio/fscanf.c libc/stdio/fseek.c, libc/stdio/fseeko.c libc/stdio/fsetpos.c libc/stdio/ftell.c, libc/stdio/ftello.c libc/stdio/fvwrite.c libc/stdio/fwalk.c, libc/stdio/fwrite.c libc/stdio/getc.c libc/stdio/getc_u.c, libc/stdio/getchar.c libc/stdio/getchar_u.c, libc/stdio/getdelim.c libc/stdio/getline.c libc/stdio/gets.c, libc/stdio/getw.c libc/stdio/iprintf.c libc/stdio/local.h, libc/stdio/makebuf.c libc/stdio/mktemp.c libc/stdio/perror.c, libc/stdio/printf.c libc/stdio/putc.c libc/stdio/putc_u.c, libc/stdio/putchar.c libc/stdio/putchar_u.c libc/stdio/puts.c, libc/stdio/putw.c libc/stdio/refill.c libc/stdio/remove.c, libc/stdio/rename.c libc/stdio/rewind.c libc/stdio/rget.c, libc/stdio/scanf.c libc/stdio/setbuf.c libc/stdio/setbuffer.c, libc/stdio/setlinebuf.c libc/stdio/setvbuf.c, libc/stdio/siprintf.c libc/stdio/snprintf.c, libc/stdio/sprintf.c libc/stdio/sscanf.c libc/stdio/stdio.c, libc/stdio/tmpfile.c libc/stdio/tmpnam.c libc/stdio/ungetc.c, libc/stdio/vasprintf.c libc/stdio/vfieeefp.h, libc/stdio/vfprintf.c libc/stdio/vfscanf.c, libc/stdio/vprintf.c libc/stdio/vscanf.c, libc/stdio/vsnprintf.c libc/stdio/vsprintf.c, libc/stdio/vsscanf.c libc/stdio/wbuf.c, libc/stdio/wsetup.c: Perform minor formatting changes. Move copyright notices to top of file, ensure that <_ansi.h> is included, be consistent with open parentheses, use _DEFUN macro, include "local.h" where needed, and remove various compiler warnings.
2004-04-24 04:01:55 +08:00
/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
/*
FUNCTION
<<feof>>---test for end of file
INDEX
feof
ANSI_SYNOPSIS
#include <stdio.h>
int feof(FILE *<[fp]>);
TRAD_SYNOPSIS
#include <stdio.h>
int feof(<[fp]>)
FILE *<[fp]>;
DESCRIPTION
<<feof>> tests whether or not the end of the file identified by <[fp]>
has been reached.
RETURNS
<<feof>> returns <<0>> if the end of file has not yet been reached; if
at end of file, the result is nonzero.
PORTABILITY
<<feof>> is required by ANSI C.
No supporting OS subroutines are required.
*/
#include <stdio.h>
2005-02-07 Antony King <antony.king@st.com> * libc/stdio/clearerr.c (clearerr): Ensure CHECK_INIT() is called before _flockfile to prevent lock object use before initialisation. _REENT_SMALL_CHECK_INIT() and CHECK_INIT() take a struct _reent * instead of a FILE *. * libc/stdio/fclose.c (_fclose_r): Ditto. * libc/stdio/feof.c (feof): Ditto. * libc/stdio/ferror.c (ferror): Ditto. * libc/stdio/fflush.c (fflush): Ditto. * libc/stdio/fgetc.c (fgetc): Ditto. * libc/stdio/fgets.c (fgets): Ditto. * libc/stdio/fileno.c (fileno): Ditto. * libc/stdio/fputc.c (fputc): Ditto. * libc/stdio/fputs.c (fputs): Ditto. * libc/stdio/fread.c (fread): Ditto. * libc/stdio/freopen.c (_freopen_r): Ditto. * libc/stdio/fseek.c (_fseek_r): Ditto. * libc/stdio/ftell.c (_ftell_r): Ditto. * libc/stdio/fwrite.c (fwrite): Ditto. * libc/stdio/getc.c (getc): Ditto. * libc/stdio/getdelim.c (__getdelim): Ditto. * libc/stdio/putc.c (putc): Ditto. * libc/stdio/setvbuf.c (setvbuf): Ditto. * libc/stdio/ungetc.c (_ungetc_r): Ditto. * libc/stdio/vfprintf.c (_VFPRINTF_R): Ditto. * libc/stdio64/freopen64.c (_freopen64_r): Ditto. * libc/stdio64/fseeko64.c (_fseeko64_r): Ditto. * libc/stdio64/ftello64.c (_ftello64_r): Ditto. * libc/stdio/local.h (CHECK_INIT): Argument is now a struct _reent * instead of a FILE * and so replace incorrect use of _REENT with argument. * libc/sys/arm/syscalls.c (CHECK_INIT): Ditto. * libc/stdio/getchar.c (getchar): _REENT_SMALL_CHECK_INIT() and CHECK_INIT() take a struct _reent * instead of a FILE *. * libc/stdio/iprintf.c (iprintf, _iprintf_r): Ditto. * libc/stdio/iscanf.c (iscanf, _iscanf_r): Ditto. * libc/stdio/perror.c (perror): Ditto. * libc/stdio/printf.c (printf, _printf_r): Ditto. * libc/stdio/putchar.c (putchar): Ditto. * libc/stdio/puts.c (puts): Ditto. * libc/stdio/refill.c (__srefill): Ditto. * libc/stdio/scanf.c (scanf, _scanf_r): Ditto. * libc/stdio/vfscanf.c (VFSCANF, _VFSCANF_R): Ditto. * libc/stdio/viprintf.c (viprintf, _viprintf_r): Ditto. * libc/stdio/viscanf.c (viscanf, _viscanf_r): Ditto. * libc/stdio/vprintf.c (vprintf, _vprintf_r): Ditto. * libc/stdio/vscanf.c (vscanf, _vscanf_r): Ditto. * libc/stdio/wbuf.c (__swbuf): Ditto. * libc/stdio/wsetup.c (__swsetup): Ditto. * libc/stdlib/mallocr.c (malloc_stats): Ditto. * libc/stdlib/mstats.c (_mstats_r): Ditto. * libc/include/sys/reent.h (_REENT_SMALL_CHECK_INIT): Ditto. * libc/machine/powerpc/vfscanf.c (vfscanf): Ditto. * libc/stdio/fgetpos.c (_fgetpos_r): Removed unnecessary calls to _flockfile and _funlockfile; rely on locking in _ftell_r. * libc/stdio64/fgetpos64.c (_fgetpos64_r): Ditto (_ftello64_r). * libc/machine/powerpc/vfprintf.c (__sbprintf): Removed unnecessary initialision of _data field in FILE structure. * libc/machine/powerpc/vfprintf.c (VFPRINTF): Added CHECK_INIT() call.
2005-02-08 09:33:19 +08:00
#include "local.h"
/* A subroutine version of the macro feof. */
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
#undef feof
int
2004-04-23 Artem B. Bityuckiy <abitytsky@softminecorp.com> * libc/stdio/asprintf.c libc/stdio/clearerr.c, libc/stdio/fclose.c libc/stdio/fcloseall.c libc/stdio/fdopen.c, libc/stdio/feof.c libc/stdio/ferror.c libc/stdio/fflush.c, libc/stdio/fgetc.c libc/stdio/fgetpos.c libc/stdio/fgets.c, libc/stdio/fileno.c libc/stdio/findfp.c libc/stdio/fiprintf.c, libc/stdio/flags.c libc/stdio/fopen.c libc/stdio/fprintf.c, libc/stdio/fputc.c libc/stdio/fputs.c libc/stdio/fread.c, libc/stdio/freopen.c libc/stdio/fscanf.c libc/stdio/fseek.c, libc/stdio/fseeko.c libc/stdio/fsetpos.c libc/stdio/ftell.c, libc/stdio/ftello.c libc/stdio/fvwrite.c libc/stdio/fwalk.c, libc/stdio/fwrite.c libc/stdio/getc.c libc/stdio/getc_u.c, libc/stdio/getchar.c libc/stdio/getchar_u.c, libc/stdio/getdelim.c libc/stdio/getline.c libc/stdio/gets.c, libc/stdio/getw.c libc/stdio/iprintf.c libc/stdio/local.h, libc/stdio/makebuf.c libc/stdio/mktemp.c libc/stdio/perror.c, libc/stdio/printf.c libc/stdio/putc.c libc/stdio/putc_u.c, libc/stdio/putchar.c libc/stdio/putchar_u.c libc/stdio/puts.c, libc/stdio/putw.c libc/stdio/refill.c libc/stdio/remove.c, libc/stdio/rename.c libc/stdio/rewind.c libc/stdio/rget.c, libc/stdio/scanf.c libc/stdio/setbuf.c libc/stdio/setbuffer.c, libc/stdio/setlinebuf.c libc/stdio/setvbuf.c, libc/stdio/siprintf.c libc/stdio/snprintf.c, libc/stdio/sprintf.c libc/stdio/sscanf.c libc/stdio/stdio.c, libc/stdio/tmpfile.c libc/stdio/tmpnam.c libc/stdio/ungetc.c, libc/stdio/vasprintf.c libc/stdio/vfieeefp.h, libc/stdio/vfprintf.c libc/stdio/vfscanf.c, libc/stdio/vprintf.c libc/stdio/vscanf.c, libc/stdio/vsnprintf.c libc/stdio/vsprintf.c, libc/stdio/vsscanf.c libc/stdio/wbuf.c, libc/stdio/wsetup.c: Perform minor formatting changes. Move copyright notices to top of file, ensure that <_ansi.h> is included, be consistent with open parentheses, use _DEFUN macro, include "local.h" where needed, and remove various compiler warnings.
2004-04-24 04:01:55 +08:00
_DEFUN(feof, (fp),
FILE * fp)
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
{
* libc/include/sys/stdio.h: New file. * libc/sys/linux/sys/stdio.h: New file. * libc/include/stdio.h: Add declarations for flockfile, ftrylockfile, and funlockfile. Include <sys/stdio.h>. * libc/stdio/clearerr.c: Add file locking. * libc/stdio/fclose.c: Likewise. * libc/stdio/feof.c: Likewise. * libc/stdio/ferror.c: Likewise. * libc/stdio/fflush.c: Likewise. * libc/stdio/fgetc.c: Likewise. * libc/stdio/fgetpos.c: Likewise. * libc/stdio/fgets.c: Likewise. * libc/stdio/fileno.c: Likewise. * libc/stdio/fputc.c: Likewise. * libc/stdio/fputs.c: Likewise. * libc/stdio/fread.c: Likewise. * libc/stdio/freopen.c: Likewise. * libc/stdio/fseek.c: Likewise. * libc/stdio/ftell.c: Likewise. * libc/stdio/fwrite.c: Likewise. * libc/stdio/getc.c: Likewise. * libc/stdio/putc.c: Likewise. * libc/stdio/setvbuf.c: Likewise. * libc/stdio/ungetc.c: Likewise. * libc/stdio/vfprintf.c: Likewise.
2002-05-08 08:12:49 +08:00
int result;
2006-09-26 Jeff Johnston <jjohnstn@redhat.com> * libc/include/stdio.h[_REENT_SMALL]: Do not allow macros for clearerr, feof, or fileno. * libc/include/sys/reent.h[_REENT_SMALL](struct _reent): Change the dummy std stream scheme to use pointers to const external fake files, one for each standard stream. * libc/stdio/local.h (CHECK_INIT): Change to take a file pointer argument. For _REENT_SMALL, reset the file pointer if it matches one of the fake std stream pointers. * libc/stdio/clearerr.c: Fix CHECK_INIT macro to add file pointer argument. * libc/stdio/fclose.c: Ditto. * libc/stdio/feof.c: Ditto. * libc/stdio/ferror.c: Ditto. * libc/stdio/fflush.c: Ditto. * libc/stdio/fgetc.c: Ditto. * libc/stdio/fgets.c: Ditto. * libc/stdio/fileno.c: Ditto. * libc/stdio/findfp.c: Ditto. * libc/stdio/fputc.c: Ditto. * libc/stdio/fputs.c: Ditto. * libc/stdio/fread.c: Ditto. * libc/stdio/freopen.c: Ditto. * libc/stdio/fseek.c: Ditto. * libc/stdio/ftell.c: Ditto. * libc/stdio/fwrite.c: Ditto. * libc/stdio/getc.c: Ditto. * libc/stdio/getdelim.c: Ditto. * libc/stdio/putc.c: Ditto. * libc/stdio/refill.c: Ditto. * libc/stdio/setvbuf.c: Ditto. * libc/stdio/ungetc.c: Ditto. * libc/stdio/vfprintf.c: Ditto. * libc/stdio/vfscanf.c: Ditto. * libc/stdio/wbuf.c: Ditto.: Ditto. * libc/stdio/wsetup.c: Ditto. * libc/stdio64/freopen64.c: Ditto. * libc/stdio64/fseeko64.c: Ditto. * libc/stdio64/ftello64.c: Ditto. * libc/machine/powerpc/vfprintf.c: Ditto. * libc/machine/powerpc/vfscanf.c: Ditto.
2006-09-27 05:22:19 +08:00
CHECK_INIT(_REENT, fp);
* libc/stdio/local.h (_newlib_flockfile_start): New macro to secure stream related critical section against thread cancellation. (_newlib_flockfile_exit): Ditto. (_newlib_sfp_lock_end): Ditto. (_newlib_sfp_lock_start): Ditto for the list of streams. (_newlib_sfp_lock_exit): Ditto. (_newlib_sfp_lock_end): Ditto. Use aforementioned macros in place of _flockfile/_funlockfile and __sfp_lock_acquire/__sfp_lock_release throughout the code. * libc/stdio/fclose.c: Explicitely disable and re-enable thread cancellation. Explain why. * libc/stdio/freopen.c: Ditto. * libc/stdio64/freopen64.c: Ditto.
2012-05-30 16:58:42 +08:00
_newlib_flockfile_start (fp);
* libc/include/sys/stdio.h: New file. * libc/sys/linux/sys/stdio.h: New file. * libc/include/stdio.h: Add declarations for flockfile, ftrylockfile, and funlockfile. Include <sys/stdio.h>. * libc/stdio/clearerr.c: Add file locking. * libc/stdio/fclose.c: Likewise. * libc/stdio/feof.c: Likewise. * libc/stdio/ferror.c: Likewise. * libc/stdio/fflush.c: Likewise. * libc/stdio/fgetc.c: Likewise. * libc/stdio/fgetpos.c: Likewise. * libc/stdio/fgets.c: Likewise. * libc/stdio/fileno.c: Likewise. * libc/stdio/fputc.c: Likewise. * libc/stdio/fputs.c: Likewise. * libc/stdio/fread.c: Likewise. * libc/stdio/freopen.c: Likewise. * libc/stdio/fseek.c: Likewise. * libc/stdio/ftell.c: Likewise. * libc/stdio/fwrite.c: Likewise. * libc/stdio/getc.c: Likewise. * libc/stdio/putc.c: Likewise. * libc/stdio/setvbuf.c: Likewise. * libc/stdio/ungetc.c: Likewise. * libc/stdio/vfprintf.c: Likewise.
2002-05-08 08:12:49 +08:00
result = __sfeof (fp);
* libc/stdio/local.h (_newlib_flockfile_start): New macro to secure stream related critical section against thread cancellation. (_newlib_flockfile_exit): Ditto. (_newlib_sfp_lock_end): Ditto. (_newlib_sfp_lock_start): Ditto for the list of streams. (_newlib_sfp_lock_exit): Ditto. (_newlib_sfp_lock_end): Ditto. Use aforementioned macros in place of _flockfile/_funlockfile and __sfp_lock_acquire/__sfp_lock_release throughout the code. * libc/stdio/fclose.c: Explicitely disable and re-enable thread cancellation. Explain why. * libc/stdio/freopen.c: Ditto. * libc/stdio64/freopen64.c: Ditto.
2012-05-30 16:58:42 +08:00
_newlib_flockfile_end (fp);
* libc/include/sys/stdio.h: New file. * libc/sys/linux/sys/stdio.h: New file. * libc/include/stdio.h: Add declarations for flockfile, ftrylockfile, and funlockfile. Include <sys/stdio.h>. * libc/stdio/clearerr.c: Add file locking. * libc/stdio/fclose.c: Likewise. * libc/stdio/feof.c: Likewise. * libc/stdio/ferror.c: Likewise. * libc/stdio/fflush.c: Likewise. * libc/stdio/fgetc.c: Likewise. * libc/stdio/fgetpos.c: Likewise. * libc/stdio/fgets.c: Likewise. * libc/stdio/fileno.c: Likewise. * libc/stdio/fputc.c: Likewise. * libc/stdio/fputs.c: Likewise. * libc/stdio/fread.c: Likewise. * libc/stdio/freopen.c: Likewise. * libc/stdio/fseek.c: Likewise. * libc/stdio/ftell.c: Likewise. * libc/stdio/fwrite.c: Likewise. * libc/stdio/getc.c: Likewise. * libc/stdio/putc.c: Likewise. * libc/stdio/setvbuf.c: Likewise. * libc/stdio/ungetc.c: Likewise. * libc/stdio/vfprintf.c: Likewise.
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return result;
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
}