nt9856x/code/vos/source/vos_user_file.c
2023-03-28 15:07:53 +08:00

143 lines
3.2 KiB
C
Executable File

/*-----------------------------------------------------------------------------*/
/* Include Header Files */
/*-----------------------------------------------------------------------------*/
#define __MODULE__ vos_user_file
#define __DBGLVL__ 2 // 0=FATAL, 1=ERR, 2=WRN, 3=UNIT, 4=FUNC, 5=IND, 6=MSG, 7=VALUE, 8=USER
#define __DBGFLT__ "*"
#include <kwrap/debug.h>
#include <kwrap/file.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
/*-----------------------------------------------------------------------------*/
/* Local Types Declarations */
/*-----------------------------------------------------------------------------*/
#define RTOS_FILE_INITED_TAG MAKEFOURCC('R', 'F', 'I', 'L') ///< a key value
/*-----------------------------------------------------------------------------*/
/* Local Global Variables */
/*-----------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------*/
/* Interface Functions */
/*-----------------------------------------------------------------------------*/
void rtos_file_init(void *param)
{
}
void rtos_file_exit(void)
{
}
VOS_FILE vos_file_open(const char *pathname, int flags, vos_mode_t mode)
{
int fd;
fd = open(pathname, flags, mode);
if(-1 == fd) {
DBG_ERR("open [%s] failed\r\n", pathname);
return VOS_FILE_INVALID;
}
return (VOS_FILE)fd;
}
int vos_file_read(VOS_FILE vos_file, void *p_buf, vos_size_t count)
{
int fd = (int)vos_file;
int read_bytes;
read_bytes = read(fd, p_buf, (size_t)count);
return read_bytes;
}
int vos_file_write(VOS_FILE vos_file, const void *p_buf, vos_size_t count)
{
int fd = (int)vos_file;
int written_bytes;
written_bytes = write(fd, p_buf, (size_t)count);
return written_bytes;
}
int vos_file_close(VOS_FILE vos_file)
{
int fd = (int)vos_file;
int ret;
if (0 != fsync(fd)) {
DBG_WRN("fsync fail, vos_file 0x%lX\r\n", (ULONG)vos_file);
}
ret = close(fd);
return ret;
}
vos_off_t vos_file_lseek(VOS_FILE vos_file, vos_off_t offset, int whence)
{
int fd = (int)vos_file;
off_t ret_offset;
ret_offset = lseek(fd, (off_t)offset, whence);
return (vos_off_t)ret_offset;
}
int vos_file_fstat(VOS_FILE vos_file, struct vos_stat *p_stat)
{
struct stat statbuf = {0};
int fd = (int)vos_file;
int ret;
if (NULL == p_stat) {
return -1;
}
ret = fstat(fd, &statbuf);
if (0 == ret) {
//success, fill data
p_stat->st_mode = (vos_mode_t)statbuf.st_mode;
p_stat->st_size = (vos_size_t)statbuf.st_size;
}
return ret;
}
int vos_file_stat(const char *pathname, struct vos_stat *p_stat)
{
struct stat statbuf = {0};
int ret;
if (NULL == p_stat) {
return -1;
}
ret = stat(pathname, &statbuf);
if (0 == ret) {
//success, fill data
p_stat->st_mode = (vos_mode_t)statbuf.st_mode;
p_stat->st_size = (vos_size_t)statbuf.st_size;
}
return ret;
}
int vos_file_fsync(VOS_FILE vos_file)
{
int fd = (int)vos_file;
int ret;
ret = fsync(fd);
return ret;
}