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Diffstat (limited to 'newlib/libc/stdio/fsetpos.c')
-rw-r--r-- | newlib/libc/stdio/fsetpos.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/newlib/libc/stdio/fsetpos.c b/newlib/libc/stdio/fsetpos.c deleted file mode 100644 index d1596293b..000000000 --- a/newlib/libc/stdio/fsetpos.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - * 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. - */ - -/* -FUNCTION -<<fsetpos>>---restore position of a stream or file - -INDEX - fsetpos -INDEX - _fsetpos_r - -ANSI_SYNOPSIS - #include <stdio.h> - int fsetpos(FILE *<[fp]>, const fpos_t *<[pos]>); - int _fsetpos_r(struct _reent *<[ptr]>, FILE *<[fp]>, - const fpos_t *<[pos]>); - -TRAD_SYNOPSIS - #include <stdio.h> - int fsetpos(<[fp]>, <[pos]>) - FILE *<[fp]>; - fpos_t *<[pos]>; - - int _fsetpos_r(<[ptr]>, <[fp]>, <[pos]>) - struct _reent *<[ptr]>; - FILE *<[fp]>; - fpos_t *<[pos]>; - -DESCRIPTION -Objects of type <<FILE>> can have a ``position'' that records how much -of the file your program has already read. Many of the <<stdio>> functions -depend on this position, and many change it as a side effect. - -You can use <<fsetpos>> to return the file identified by <[fp]> to a previous -position <<*<[pos]>>> (after first recording it with <<fgetpos>>). - -See <<fseek>> for a similar facility. - -RETURNS -<<fgetpos>> returns <<0>> when successful. If <<fgetpos>> fails, the -result is <<1>>. The reason for failure is indicated in <<errno>>: -either <<ESPIPE>> (the stream identified by <[fp]> doesn't support -repositioning) or <<EINVAL>> (invalid file position). - -PORTABILITY -ANSI C requires <<fsetpos>>, but does not specify the nature of -<<*<[pos]>>> beyond identifying it as written by <<fgetpos>>. - -Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, -<<lseek>>, <<read>>, <<sbrk>>, <<write>>. -*/ - -#include <_ansi.h> -#include <reent.h> -#include <stdio.h> - -int -_DEFUN(_fsetpos_r, (ptr, iop, pos), - struct _reent * ptr _AND - FILE * iop _AND - _CONST _fpos_t * pos) -{ - int x = _fseek_r (ptr, iop, *pos, SEEK_SET); - - if (x != 0) - return 1; - return 0; -} - -#ifndef _REENT_ONLY - -int -_DEFUN(fsetpos, (iop, pos), - FILE * iop _AND - _CONST _fpos_t * pos) -{ - return _fsetpos_r (_REENT, iop, pos); -} - -#endif /* !_REENT_ONLY */ |