Tasmota/lib/libesp32/berry/default/be_port.c

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2022-09-12 21:02:25 +01:00
/********************************************************************
** Copyright (c) 2018-2020 Guan Wenliang
** This file is part of the Berry default interpreter.
** skiars@qq.com, https://github.com/Skiars/berry
** See Copyright Notice in the LICENSE file or at
** https://github.com/Skiars/berry/blob/master/LICENSE
********************************************************************/
#ifndef TASMOTA // only when compiling stand-along
#include "berry.h"
#include "be_mem.h"
#include "be_sys.h"
#include <stdio.h>
#include <string.h>
/* this file contains configuration for the file system. */
/* standard input and output */
BERRY_API void be_writebuffer(const char *buffer, size_t length)
{
be_fwrite(stdout, buffer, length);
}
BERRY_API char* be_readstring(char *buffer, size_t size)
{
return be_fgets(stdin, buffer, (int)size);
}
/* use the standard library implementation file API. */
#if !defined(USE_FATFS)
void* be_fopen(const char *filename, const char *modes)
{
return fopen(filename, modes);
}
int be_fclose(void *hfile)
{
return fclose(hfile);
}
size_t be_fwrite(void *hfile, const void *buffer, size_t length)
{
return fwrite(buffer, 1, length, hfile);
}
size_t be_fread(void *hfile, void *buffer, size_t length)
{
return fread(buffer, 1, length, hfile);
}
char* be_fgets(void *hfile, void *buffer, int size)
{
return fgets(buffer, size, hfile);
}
int be_fseek(void *hfile, long offset)
{
return fseek(hfile, offset, SEEK_SET);
}
long int be_ftell(void *hfile)
{
return ftell(hfile);
}
long int be_fflush(void *hfile)
{
return fflush(hfile);
}
size_t be_fsize(void *hfile)
{
long int size, offset = be_ftell(hfile);
fseek(hfile, 0L, SEEK_END);
size = ftell(hfile);
fseek(hfile, offset, SEEK_SET);
return size;
}
#else /* use the FatFs library implementation file API. */
#include "ff.h"
#if FF_FS_RPATH != 2
#error FatFs check (FF_FS_RPATH == 2) failed.
#endif
#if FF_USE_STRFUNC < 1
#error FatFs check (FF_USE_STRFUNC >= 1) failed.
#endif
void* be_fopen(const char *filename, const char *modes)
{
BYTE mode = 0;
FIL *fp = be_os_malloc(sizeof(FIL));
switch (modes[0]) {
case 'r': mode |= FA_READ; break;
case 'w': mode |= FA_CREATE_ALWAYS | FA_WRITE; break;
case 'a': mode |= FA_OPEN_APPEND | FA_WRITE; break;
default: return NULL;
}
switch (modes[1]) {
case '+': mode |= FA_READ | FA_WRITE; break;
case 't':
case 'b':
case '\0': break;
default: return NULL;
}
if (modes[1] && modes[2] == '+') {
mode |= FA_READ | FA_WRITE;
}
if (fp && f_open(fp, filename, mode) == FR_OK) {
return fp;
}
be_os_free(fp);
return NULL;
}
int be_fclose(void *hfile)
{
int res = f_close(hfile) != FR_OK;
be_os_free(hfile);
return res;
}
size_t be_fwrite(void *hfile, const void *buffer, size_t length)
{
UINT bw;
if (hfile == stdout || hfile == stderr || hfile == stdin) {
return fwrite(buffer, 1, length, hfile);
}
f_write(hfile, buffer, (UINT)length, &bw);
return bw;
}
size_t be_fread(void *hfile, void *buffer, size_t length)
{
UINT br;
if (hfile == stdout || hfile == stderr || hfile == stdin) {
return fread(buffer, 1, length, hfile);
}
f_read(hfile, buffer, (UINT)length, &br);
return br;
}
char* be_fgets(void *hfile, void *buffer, int size)
{
if (hfile == stdout || hfile == stderr || hfile == stdin) {
return fgets(buffer, size, hfile);
}
return f_gets(buffer, size, hfile);
}
int be_fseek(void *hfile, long offset)
{
return f_lseek(hfile, (FSIZE_t)offset);
}
long int be_ftell(void *hfile)
{
return f_tell(hfile);
}
long int be_fflush(void *hfile)
{
return f_sync(hfile);
}
size_t be_fsize(void *hfile)
{
return f_size(hfile);
}
#endif /* !defined(USE_FATFS) */
#if BE_USE_FILE_SYSTEM
#if defined(USE_FATFS) /* FatFs */
int be_isdir(const char *path)
{
FILINFO fno;
FRESULT fr = f_stat(path, &fno);
return fr == FR_OK && fno.fattrib & AM_DIR;
}
int be_isfile(const char *path)
{
FILINFO fno;
FRESULT fr = f_stat(path, &fno);
return fr == FR_OK && !(fno.fattrib & AM_DIR);
}
int be_isexist(const char *path)
{
FILINFO fno;
return f_stat(path, &fno) == FR_OK;
}
char* be_getcwd(char *buf, size_t size)
{
FRESULT fr = f_getcwd(buf, (UINT)size);
return fr == FR_OK ? buf : NULL;
}
int be_chdir(const char *path)
{
return f_chdir(path);
}
int be_mkdir(const char *path)
{
return f_mkdir(path);
}
int be_unlink(const char *filename)
{
return f_unlink(filename);
}
int be_dirfirst(bdirinfo *info, const char *path)
{
info->dir = be_os_malloc(sizeof(DIR));
info->file = be_os_malloc(sizeof(FILINFO));
if (info->dir && info->file) {
FRESULT fr = f_opendir(info->dir, path);
return fr == FR_OK ? be_dirnext(info) : 1;
}
be_os_free(info->dir);
be_os_free(info->file);
info->dir = NULL;
info->file = NULL;
return 1;
}
int be_dirnext(bdirinfo *info)
{
FRESULT fr = f_readdir(info->dir, info->file);
info->name = ((FILINFO *)info->file)->fname;
return fr != FR_OK || *info->name == '\0';
}
int be_dirclose(bdirinfo *info)
{
if (info->dir) {
int res = f_closedir(info->dir) != FR_OK;
be_os_free(info->dir);
be_os_free(info->file);
return res;
}
return 1;
}
#elif defined(_MSC_VER) /* MSVC*/
#include <windows.h>
#include <direct.h>
#include <io.h>
int be_isdir(const char *path)
{
DWORD type = GetFileAttributes(path);
return type != INVALID_FILE_ATTRIBUTES
&& (type & FILE_ATTRIBUTE_DIRECTORY) != 0;
}
int be_isfile(const char *path)
{
DWORD type = GetFileAttributes(path);
return type != INVALID_FILE_ATTRIBUTES
&& (type & FILE_ATTRIBUTE_DIRECTORY) == 0;
}
int be_isexist(const char *path)
{
return GetFileAttributes(path) != INVALID_FILE_ATTRIBUTES;
}
char* be_getcwd(char *buf, size_t size)
{
return _getcwd(buf, (int)size);
}
int be_chdir(const char *path)
{
return _chdir(path);
}
int be_mkdir(const char *path)
{
return _mkdir(path);
}
int be_unlink(const char *filename)
{
return remove(filename);
}
int be_dirfirst(bdirinfo *info, const char *path)
{
char *buf = be_os_malloc(strlen(path) + 3);
info->file = be_os_malloc(sizeof(struct _finddata_t));
info->dir = NULL;
if (buf && info->file) {
struct _finddata_t *cfile = info->file;
strcat(strcpy(buf, path), "/*");
info->dir = (void *)_findfirst(buf, cfile);
info->name = cfile->name;
be_os_free(buf);
return (intptr_t)info->dir == -1;
}
be_os_free(buf);
return 1;
}
int be_dirnext(bdirinfo *info)
{
struct _finddata_t *cfile = info->file;
int res = _findnext((intptr_t)info->dir, cfile) != 0;
info->name = cfile->name;
return res;
}
int be_dirclose(bdirinfo *info)
{
be_os_free(info->file);
return _findclose((intptr_t)info->dir) != 0;
}
#else /* must be POSIX */
#include <dirent.h>
#include <unistd.h>
#include <sys/stat.h>
int be_isdir(const char *path)
{
struct stat path_stat;
int res = stat(path, &path_stat);
return res == 0 && S_ISDIR(path_stat.st_mode);
}
int be_isfile(const char *path)
{
struct stat path_stat;
int res = stat(path, &path_stat);
return res == 0 && !S_ISDIR(path_stat.st_mode);
}
int be_isexist(const char *path)
{
struct stat path_stat;
return stat(path, &path_stat) == 0;
}
char* be_getcwd(char *buf, size_t size)
{
return getcwd(buf, size);
}
int be_chdir(const char *path)
{
return chdir(path);
}
int be_mkdir(const char *path)
{
#ifdef _WIN32
return mkdir(path);
#else
return mkdir(path, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
#endif
}
int be_unlink(const char *filename)
{
return remove(filename);
}
int be_dirfirst(bdirinfo *info, const char *path)
{
info->dir = opendir(path);
if (info->dir) {
return be_dirnext(info);
}
return 1;
}
int be_dirnext(bdirinfo *info)
{
struct dirent *file;
info->file = file = readdir(info->dir);
if (file) {
info->name = file->d_name;
return 0;
}
return 1;
}
int be_dirclose(bdirinfo *info)
{
return closedir(info->dir) != 0;
}
#endif /* POSIX */
#endif /* BE_USE_OS_MODULE || BE_USE_FILE_SYSTEM */
#endif // COMPILE_BERRY_LIB