source: EcnlProtoTool/trunk/ntshell/src/io_stub.c@ 279

#include <stdint.h>
#include <stdio.h>
#include <sys/unistd.h>
#include <limits.h>
#include <fcntl.h>
#include "ff.h"
#include <kernel.h>
#include <t_syslog.h>
#include <t_stdlib.h>
#include <sil.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <setjmp.h>
#include "syssvc/syslog.h"
#include <tinet_config.h>
#include <netinet/in.h>
#include <netinet/in_itron.h>
#include <tinet_nic_defs.h>
#include <tinet_cfg.h>
#include <netinet/in_var.h>
#include <net/ethernet.h>
#include <net/if6_var.h>
#include <net/net.h>
#include <net/if_var.h>
#include <netinet/udp_var.h>
#include <ethernet_api.h>
#include "ff.h"
#include "socket_stub.h"
#include "../../../musl-1.1.12/include/_dirent.h"
#include "../../../musl-1.1.12/include/_termios.h"
#include "ntstdio.h"

int shell_open(const char * path, int flags)
{
        FRESULT res;

        struct _IO_FILE *fp = new_file_fd(0);
        if (fp == NULL)
                return -1;

        BYTE fmd = 0;
        switch (flags & O_ACCMODE) {
        case O_RDONLY:
                fmd = FA_READ;
                break;
        case O_WRONLY:
                fmd = FA_WRITE;
                break;
        default:
                fmd = FA_READ | FA_WRITE;
                break;
        }
        /* ファイルを作成 */
        if (flags & O_CREAT) {
                /* 既存の内
容は消す */
                if (flags & O_TRUNC) {
                        fmd |= FA_CREATE_ALWAYS;
                }
                /* 新規作成の保障 */
                else if (flags & O_EXCL) {
                        fmd |= FA_CREATE_NEW;
                }
                else {
                        fmd |= FA_OPEN_ALWAYS;
                }
        }
        /* ã‚ã‚‹å ´åˆã¯é–‹ã */
        else {
                /* 既存の内
容は消す */
                if (flags & O_TRUNC) {
                        fmd |= FA_CREATE_ALWAYS;
                }
        }

        if ((res = f_open(&fp->file, path, fmd)) == FR_OK) {
                fp->handle = fp->fd;
                return fp->fd;
        }

        return -1;
}

int file_close(struct _IO_FILE *fp)
{
        FRESULT res;

        if ((res = f_close(&fp->file)) == FR_OK) {
                return 0;
        }

        return -1;
}

size_t file_read(struct _IO_FILE *fp, unsigned char *data, size_t len)
{
        unsigned int ret = 0;
        FRESULT res;

        if ((res = f_read(&fp->file, data, len, &ret)) != FR_OK)
                return -1;

        return ret;
}

size_t file_write(struct _IO_FILE *fp, const unsigned char *data, size_t len)
{
        unsigned int ret = 0;
        FRESULT res;

        if ((res = f_write(&fp->file, data, len, &ret)) != FR_OK)
                return -1;

        return ret;
}

int shell_close(int fd)
{
        struct _IO_FILE *fp = fd_to_fp(fd);
        if (fp == NULL)
                return -1;

        return fp->close(fp);
}

int shell_read(int fd, char *data, int len)
{
        struct _IO_FILE *fp = fd_to_fp(fd);
        if (fp == NULL)
                return -1;

        return fp->read(fp, (unsigned char *)data, len);
}

int shell_write(int fd, char *data, int len)
{
        struct _IO_FILE *fp = fd_to_fp(fd);
        if (fp == NULL)
                return -1;

        return fp->write(fp, (unsigned char *)data, len);
}

int shell_lseek(int fd, int ptr, int dir)
{
        struct _IO_FILE *fp = fd_to_fp(fd);
        if (fp == NULL)
                return -1;

        FRESULT res;
        if ((res = f_seek(&fp->file, ptr, dir)) != FR_OK)
                return -1;

        return fp->file.fptr;
}

int shell_fstat(int fd, struct stat * st)
{
        struct _IO_FILE *fp = fd_to_fp(fd);
        if (fp == NULL)
                return -1;

        memset(st, 0, sizeof(*st));
        st->st_mode = S_IFCHR;
        //st->st_blksize = 1024;
        return 0;
}

int fsync(int fd)
{
        struct _IO_FILE *fp = fd_to_fp(fd);
        if (fp == NULL)
                return -1;
        return -1;
}

int ftruncate(int fd, off_t length)
{
        struct _IO_FILE *fp = fd_to_fp(fd);
        if (fp == NULL)
                return -1;

        FRESULT res;
        if ((res = f_truncate(&fp->file)) != FR_OK)
                return -1;

        return 0;
}

int ioctl(int fd, int request, va_list ap)
{
        struct _IO_FILE *fp = fd_to_fp(fd);
        if (fp == NULL)
                return -1;
        return -1;
}

int tcgetattr(int fd, struct termios *termios)
{
        extern ntstdio_t ntstdio;

        if (fd == STDIN_FILENO) {
                memset(termios, 0, sizeof(*termios));

                if (ntstdio.option & NTSTDIO_OPTION_LINE_ECHO) {
                        termios->c_lflag |= ECHO;
                }
                else {
                        termios->c_lflag &= ~ECHO;
                }
                if (ntstdio.option & NTSTDIO_OPTION_CANON) {
                        termios->c_lflag |= ICANON;
                }
                else {
                        termios->c_lflag &= ~ICANON;
                }
                if (ntstdio.option & NTSTDIO_OPTION_LF_CR) {
                        termios->c_iflag |= INLCR;
                }
                else {
                        termios->c_iflag &= ~INLCR;
                }
                if (ntstdio.option & NTSTDIO_OPTION_LF_CRLF) {
                        termios->c_oflag |= ONLCR;
                }
                else {
                        termios->c_oflag &= ~ONLCR;
                }
                return 0;
        }
        abort();
        return 0;
}

int tcsetattr(int fd, int optional_actions, const struct termios *termios)
{
        extern ntstdio_t ntstdio;

        if ((fd == STDIN_FILENO) && (optional_actions == TCSANOW)) {
                if (termios->c_lflag & ECHO) {
                        ntstdio.option |= NTSTDIO_OPTION_LINE_ECHO;
                }
                else {
                        ntstdio.option &= ~NTSTDIO_OPTION_LINE_ECHO;
                }
                if (termios->c_lflag & ICANON) {
                        ntstdio.option |= NTSTDIO_OPTION_CANON;
                }
                else {
                        ntstdio.option &= ~NTSTDIO_OPTION_CANON;
                }
                if (termios->c_iflag & INLCR) {
                        ntstdio.option |= NTSTDIO_OPTION_LF_CR;
                }
                else{
                        ntstdio.option &= ~NTSTDIO_OPTION_LF_CR;
                }
                if (termios->c_oflag & ONLCR) {
                        ntstdio.option |= NTSTDIO_OPTION_LF_CRLF;
                }
                else {
                        ntstdio.option &= ~NTSTDIO_OPTION_LF_CRLF;
                }
                return 0;
        }
        abort();
        return 0;
}

int shell_stat(const char *path, struct stat *st)
{
        FILINFO fi;
        FRESULT ret;
#if _USE_LFN
        static char lfn[_MAX_LFN + 1];   /* Buffer to store the LFN */
        fi.lfname = lfn;
        fi.lfsize = sizeof lfn;
#endif
        if (strcmp(path, ".") == 0) {
                char cwd[_MAX_LFN];
                if ((ret = f_getcwd(cwd, sizeof(cwd))) != FR_OK) {
                return -1;
                }
                int l = strlen(cwd);
                // ãƒ«ãƒ¼ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã®å ´åˆ
                if (cwd[l - 2] == ':' && cwd[l - 1] == '/') {
                        st->st_size = 0;
                        st->st_mtime = 0;
                        st->st_mode = S_IFDIR;
                        return 0;
                }
                if ((ret = f_stat(cwd, &fi)) != FR_OK) {
                        return -1;
                }
        }
        else if ((ret = f_stat(path, &fi)) != FR_OK) {
                return -1;
        }

        st->st_size = fi.fsize;
        st->st_mtime = fi.fdate + fi.ftime;
        st->st_mode  = (S_IRUSR | S_IRGRP | S_IROTH);
        st->st_mode |= (fi.fattrib & AM_RDO) ? 0 : (S_IWUSR | S_IWGRP | S_IWOTH);
        st->st_mode |= (fi.fattrib & (AM_DIR | AM_VOL)) ? S_IFDIR : S_IFREG;

        return 0;
}

int shell_link(void)
{
        return -1;
}

int shell_unlink(const char *path)
{
        FRESULT res;

        if ((res = f_unlink(path)) != FR_OK)
                return -1;

        return 0;
}

int rmdir(const char *path)
{
        FRESULT res;

        if ((res = f_unlink(path)) != FR_OK)
                return -1;

        return 0;
}

int shell_rename(const char *oldpath, const char *newpath)
{
        FRESULT res;

        if ((res = f_rename(oldpath, newpath)) != FR_OK)
                return -1;
        return 0;
}

int mkdir(const char *path, mode_t mode)
{
        FRESULT res;

        if ((res = f_mkdir(path)) != FR_OK)
                return -1;

        BYTE attr = 0;
        BYTE mask = AM_RDO | AM_SYS; // AM_ARC, AM_HID

        if(mode & S_IREAD) {
                if((mode & S_IWRITE) == 0) {
                        attr |= AM_RDO;
                }
        }
        else {
                attr |= AM_SYS;
        }

        if((res = f_chmod(path, attr, mask)) != FR_OK) {
                return -1;
        }

        return 0;
}

int chmod(const char *path, mode_t mode)
{
        FRESULT ret;
        BYTE attr = 0;
        BYTE mask = AM_RDO | AM_SYS; // AM_ARC, AM_HID

        if(mode & S_IREAD) {
                if((mode & S_IWRITE) == 0) {
                        attr |= AM_RDO;
                }
        }
        else {
                attr |= AM_SYS;
        }

        if((ret = f_chmod(path, attr, mask)) != FR_OK) {
                return -1;
        }

        return 0;
}

char *getcwd(char *buf, size_t size)
{
        FRESULT ret;
        if((ret = f_getcwd(buf, size)) != FR_OK) {
                return NULL;
        }

        return buf;
}

int chdir(const char *path)
{
        FRESULT ret;
        if ((ret = f_chdir(path)) != FR_OK) {
                return -1;
        }

        return 0;
}

int chroot(const char *path)
{
        abort();
        return -1;
}

DIR *opendir(const char *path)
{
        DIR *dir = malloc(sizeof(DIR) + sizeof(struct dirent));
        FRESULT ret;
        if ((ret = f_opendir(dir, path)) != FR_OK) {
                free(dir);
                return NULL;
        }

        dir->dirent = &dir[1];
        return dir;
}

int closedir(DIR *dir)
{
        FRESULT ret;
        if ((ret = f_closedir(dir)) != FR_OK) {
                free(dir);
                return -1;
        }

        free(dir);
        return 0;
}

struct dirent *readdir(DIR *dir)
{
        struct dirent *de = dir->dirent;
        FILINFO fno;
#if _USE_LFN
        static char lfn[_MAX_LFN + 1];   /* Buffer to store the LFN */
        fno.lfname = lfn;
        fno.lfsize = sizeof lfn;
#endif
        FRESULT ret;
        if ((ret = f_readdir(dir, &fno)) != FR_OK || fno.fname[0] == '\0') {
                return NULL;
        }

        memset(de, 0, sizeof(*de));
#if _USE_LFN
        strlcpy(de->d_name, *fno.lfname ? fno.lfname : fno.fname, sizeof(de->d_name));
#else
        strlcpy(de->d_name, fno.fname, sizeof(de->d_name));
#endif

        return de;
}

void rewinddir(DIR *dir)
{
        FRESULT ret;
        if ((ret = f_rewinddir(dir)) != FR_OK) {
                return;
        }
}

void seekdir(DIR *dir, long pos)
{
        abort();
}

long telldir(DIR *dir)
{
        abort();
        return 0;
}

int shell_getpid(int n)
{
        return 1;
}