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/***************************************************************
SYS-CHDIR.C
This file contains Linux/i386/ILP32 implementation of
__cpu_sys_cwd_init() and __cpu_sys_chdir().
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 <fcntl.h>
#include <libmcpu.h>
#include <cpu-sysdeps.h>
static __mpu_int64_t
__cpu_open_directory( int dirfd, const char *path )
{
int fd;
if( !path ) return( -(__mpu_int64_t)__MCPU_EFAULT );
fd = openat( dirfd, path, O_PATH | O_DIRECTORY | O_CLOEXEC );
if( fd < 0 ) return( -(__mpu_int64_t)__cpu_errno_from_host( errno ) );
return( (__mpu_int64_t)fd );
} /* End of __cpu_open_directory() */
__mpu_int64_t
__cpu_sys_cwd_init( void )
{
return( __cpu_open_directory( AT_FDCWD, "." ) );
} /* End of __cpu_sys_cwd_init() */
__mpu_int64_t
__cpu_sys_chdir( int dirfd, const char *path )
{
return( __cpu_open_directory( dirfd, path ) );
} /* End of __cpu_sys_chdir() */
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