fseek() vs. fseeko()

[Sebastian Huber]

On 06/19/2012 04:08 PM, Corinna Vinschen wrote:
> Along these lines, fgetpos and fsetpos are a bit tricky since they
> depend on the definition of fpos_t in include/stdio.h.  Right now,
> only Cygwin defines fpos_t as 64 bit type in stdio.h, all other
> targets define fpos_t as 32 bit and fpos64_t as 64 bit type to make
> a clear distinction between the 32 bit and the 64 bit set of functions.

RTEMS has this in <machine/_types.h>:

#if defined(__arm__) || defined(__i386__) || defined(__m68k__) || 
defined(__mips__) || defined(__PPC__) || defined(__sparc__)
/* Use 64bit types */
typedef __int64_t _off_t;
#define __off_t_defined 1

typedef __int64_t _fpos_t;
#define __fpos_t_defined 1
#else
/* Use 32bit types */
typedef __int32_t _off_t;
#define __off_t_defined 1

typedef __int32_t _fpos_t;
#define __fpos_t_defined 1
#endif

Thus for some targets fpos_t is 64-bit.

-- 
Sebastian Huber, embedded brains GmbH

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