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Diffstat (limited to 'newlib/libc/stdio/fseek.c')
| -rw-r--r-- | newlib/libc/stdio/fseek.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/newlib/libc/stdio/fseek.c b/newlib/libc/stdio/fseek.c deleted file mode 100644 index 34147faff..000000000 --- a/newlib/libc/stdio/fseek.c +++ /dev/null @@ -1,128 +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 -<<fseek>>, <<fseeko>>---set file position - -INDEX - fseek -INDEX - fseeko -INDEX - _fseek_r -INDEX - _fseeko_r - -ANSI_SYNOPSIS - #include <stdio.h> - int fseek(FILE *<[fp]>, long <[offset]>, int <[whence]>) - int fseeko(FILE *<[fp]>, off_t <[offset]>, int <[whence]>) - int _fseek_r(struct _reent *<[ptr]>, FILE *<[fp]>, - long <[offset]>, int <[whence]>) - int _fseeko_r(struct _reent *<[ptr]>, FILE *<[fp]>, - off_t <[offset]>, int <[whence]>) - -TRAD_SYNOPSIS - #include <stdio.h> - int fseek(<[fp]>, <[offset]>, <[whence]>) - FILE *<[fp]>; - long <[offset]>; - int <[whence]>; - - int fseeko(<[fp]>, <[offset]>, <[whence]>) - FILE *<[fp]>; - off_t <[offset]>; - int <[whence]>; - - int _fseek_r(<[ptr]>, <[fp]>, <[offset]>, <[whence]>) - struct _reent *<[ptr]>; - FILE *<[fp]>; - long <[offset]>; - int <[whence]>; - - int _fseeko_r(<[ptr]>, <[fp]>, <[offset]>, <[whence]>) - struct _reent *<[ptr]>; - FILE *<[fp]>; - off_t <[offset]>; - int <[whence]>; - -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 <<fseek>>/<<fseeko>> to set the position for the file identified by -<[fp]>. The value of <[offset]> determines the new position, in one -of three ways selected by the value of <[whence]> (defined as macros -in `<<stdio.h>>'): - -<<SEEK_SET>>---<[offset]> is the absolute file position (an offset -from the beginning of the file) desired. <[offset]> must be positive. - -<<SEEK_CUR>>---<[offset]> is relative to the current file position. -<[offset]> can meaningfully be either positive or negative. - -<<SEEK_END>>---<[offset]> is relative to the current end of file. -<[offset]> can meaningfully be either positive (to increase the size -of the file) or negative. - -See <<ftell>>/<<ftello>> to determine the current file position. - -RETURNS -<<fseek>>/<<fseeko>> return <<0>> when successful. On failure, the -result is <<EOF>>. 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 <<fseek>>. - -<<fseeko>> is defined by the Single Unix specification. - -Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, -<<lseek>>, <<read>>, <<sbrk>>, <<write>>. -*/ - -#include <_ansi.h> -#include <reent.h> -#include <stdio.h> -#include <errno.h> -#include "local.h" - -int -_DEFUN(_fseek_r, (ptr, fp, offset, whence), - struct _reent *ptr _AND - register FILE *fp _AND - long offset _AND - int whence) -{ - return _fseeko_r (ptr, fp, offset, whence); -} - -#ifndef _REENT_ONLY - -int -_DEFUN(fseek, (fp, offset, whence), - register FILE *fp _AND - long offset _AND - int whence) -{ - return _fseek_r (_REENT, fp, offset, whence); -} - -#endif /* !_REENT_ONLY */ |