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/***************************************************************
SYS-READ.C
This file contains Linux/i386/ILP32 implementation of
__cpu_sys_read().
PART OF : CPU - library .
USAGE : Internal only .
Copyright (C) 2026 by Andrew V.Kosteltsev.
All Rights Reserved.
***************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <stdint.h>
#include <unistd.h>
#include <libmcpu.h>
#include <cpu-sysdeps.h>
__mpu_int64_t
__cpu_sys_read( int fd, void *buf, __mpu_uint64_t count )
{
ssize_t ret;
if( count > (__mpu_uint64_t)SIZE_MAX ) return( -(__mpu_int64_t)__MCPU_EINVAL );
ret = read( fd, buf, (size_t)count );
if( ret < 0 ) return( -(__mpu_int64_t)__cpu_errno_from_host( errno ) );
return( (__mpu_int64_t)ret );
}
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