diff options
Diffstat (limited to 'newlib/libc/stdio/fsetpos.c')
-rw-r--r-- | newlib/libc/stdio/fsetpos.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/newlib/libc/stdio/fsetpos.c b/newlib/libc/stdio/fsetpos.c deleted file mode 100644 index 75f719b22..000000000 --- a/newlib/libc/stdio/fsetpos.c +++ /dev/null @@ -1,76 +0,0 @@ -/* -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]>, l - 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 <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 */ |