diff options
Diffstat (limited to 'newlib/libc/stdio/fseek.c')
| -rw-r--r-- | newlib/libc/stdio/fseek.c | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/newlib/libc/stdio/fseek.c b/newlib/libc/stdio/fseek.c index 4cd3e8c7a..4747e2156 100644 --- a/newlib/libc/stdio/fseek.c +++ b/newlib/libc/stdio/fseek.c @@ -23,11 +23,19 @@ 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> @@ -41,6 +49,18 @@ TRAD_SYNOPSIS 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 @@ -94,12 +114,12 @@ Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, */ int -fseek (fp, offset, whence) - register FILE *fp; - long offset; - int whence; +_DEFUN (_fseek_r, (ptr, fp, offset, whence), + struct _reent *ptr _AND + register FILE *fp _AND + long offset _AND + int whence) { - struct _reent *ptr; _fpos_t _EXFUN ((*seekfn), (void *, _fpos_t, int)); _fpos_t target, curoff; size_t n; @@ -111,7 +131,6 @@ fseek (fp, offset, whence) /* Make sure stdio is set up. */ CHECK_INIT (fp); - ptr = fp->_data; /* If we've been doing some writing, and we're in append mode then we don't really know where the filepos is. */ @@ -340,3 +359,16 @@ dumb: _funlockfile(fp); return 0; } + +#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 */ |