C++ (Cpp) __stdio_adjust_position Examples

Example #1

File: ftello.c Project: prajwal83/upanapps

OFFSET_TYPE_T FTELL(register FILE *stream)
{
#if defined(__UCLIBC_HAS_LFS__) && !defined(__DO_LARGEFILE)

	__offmax_t pos = __ftello64(stream);

	if ((sizeof(long) >= sizeof(__offmax_t)) || (((long) pos) == pos)) {
		return ((long) pos);
	} else {
		__set_errno(EOVERFLOW);
		return -1;
	}

#else

	__offmax_t pos = 0;
	__STDIO_AUTO_THREADLOCK_VAR;

	__STDIO_AUTO_THREADLOCK(stream);

	__STDIO_STREAM_VALIDATE(stream);

	if ((__SEEK(stream, &pos, SEEK_CUR) < 0)
		|| (__stdio_adjust_position(stream, &pos) < 0)) {
		pos = -1;
	}

	__STDIO_AUTO_THREADUNLOCK(stream);

	return pos;

#endif
}

Example #2

File: fseeko.c Project: jameshilliard/WECB-BH-GPL

int FSEEK(register FILE *stream, OFFSET_TYPE offset, int whence)
{
#if defined(__UCLIBC_HAS_LFS__) && !defined(__DO_LARGEFILE)

	return fseeko64(stream, offset, whence);

#else

	__offmax_t pos = offset;
	int retval = -1;
	__STDIO_AUTO_THREADLOCK_VAR;

	if (((unsigned int) whence) > 2) {
		__set_errno(EINVAL);
	} else {
		__STDIO_AUTO_THREADLOCK(stream);

		__STDIO_STREAM_VALIDATE(stream);

		if ((!__STDIO_STREAM_IS_WRITING(stream)
			  || !__STDIO_COMMIT_WRITE_BUFFER(stream))
			&& ((whence != SEEK_CUR)
				 || (__stdio_adjust_position(stream, &pos) >= 0))
			&& (__SEEK(stream, &pos, whence) >= 0)
			) {

			/* Clear reading/writing modes, EOF, and ungots. */
			stream->__modeflags &=
				~(__MASK_READING|__FLAG_WRITING|__FLAG_EOF);

			/* Make sure all pointers are reset. */
			__STDIO_STREAM_INIT_BUFREAD_BUFPOS(stream);
			__STDIO_STREAM_DISABLE_GETC(stream);
			__STDIO_STREAM_DISABLE_PUTC(stream);

			/* We reinitialize the mbstate object.  Doing so is
			 * implementation defined behavior. */
#ifdef __STDIO_MBSTATE
			__INIT_MBSTATE(&(stream->__state));
#endif
#ifdef __UCLIBC_HAS_WCHAR__
			stream->__ungot_width[0] = 0;
#endif

			retval = 0;
		}

		__STDIO_STREAM_VALIDATE(stream);

		__STDIO_AUTO_THREADUNLOCK(stream);
	}

	return retval;

#endif
}