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Fix memory leak in file_stat(). (#1871) 

* Change vfs_stat() api to pre-allocated buffer for stat info.
* Change vfs_readdir() api to stat buffer as well. vfs_item api removed.
This commit is contained in:
Arnim Läuger 2017-03-29 13:58:40 +02:00 committed by Marcel Stör
parent 92cfbb45c3
commit fc887e9f9f
6 changed files with 106 additions and 309 deletions
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159
app/fatfs/myfatfs.c
View File

@ -29,22 +29,12 @@ static uint32_t myfatfs_fsize( const struct vfs_file *fd );
static sint32_t myfatfs_ferrno( const struct vfs_file *fd );
static sint32_t myfatfs_closedir( const struct vfs_dir *dd );
static vfs_item *myfatfs_readdir( const struct vfs_dir *dd );
static void myfatfs_iclose( const struct vfs_item *di );
static uint32_t myfatfs_isize( const struct vfs_item *di );
static sint32_t myfatfs_time( const struct vfs_item *di, struct vfs_time *tm );
static const char *myfatfs_name( const struct vfs_item *di );
static sint32_t myfatfs_is_dir( const struct vfs_item *di );
static sint32_t myfatfs_is_rdonly( const struct vfs_item *di );
static sint32_t myfatfs_is_hidden( const struct vfs_item *di );
static sint32_t myfatfs_is_sys( const struct vfs_item *di );
static sint32_t myfatfs_is_arch( const struct vfs_item *di );
static sint32_t myfatfs_readdir( const struct vfs_dir *dd, struct vfs_stat *buf );
static vfs_vol *myfatfs_mount( const char *name, int num );
static vfs_file *myfatfs_open( const char *name, const char *mode );
static vfs_dir *myfatfs_opendir( const char *name );
static vfs_item *myfatfs_stat( const char *name );
static sint32_t myfatfs_stat( const char *name, struct vfs_stat *buf );
static sint32_t myfatfs_remove( const char *name );
static sint32_t myfatfs_rename( const char *oldname, const char *newname );
static sint32_t myfatfs_mkdir( const char *name );
@ -89,18 +79,6 @@ static vfs_file_fns myfatfs_file_fns = {
.ferrno = myfatfs_ferrno
};
static vfs_item_fns myfatfs_item_fns = {
.close = myfatfs_iclose,
.size = myfatfs_isize,
.time = myfatfs_time,
.name = myfatfs_name,
.is_dir = myfatfs_is_dir,
.is_rdonly = myfatfs_is_rdonly,
.is_hidden = myfatfs_is_hidden,
.is_sys = myfatfs_is_sys,
.is_arch = myfatfs_is_arch
};
static vfs_dir_fns myfatfs_dir_fns = {
.close = myfatfs_closedir,
.readdir = myfatfs_readdir
@ -130,11 +108,6 @@ struct myvfs_dir {
DIR dp;
};
struct myvfs_item {
struct vfs_item vfs_item;
FILINFO fno;
};
// ---------------------------------------------------------------------------
// exported helper functions for FatFS
@ -321,105 +294,45 @@ static sint32_t myfatfs_closedir( const struct vfs_dir *dd )
return last_result == FR_OK ? VFS_RES_OK : VFS_RES_ERR;
}
static vfs_item *myfatfs_readdir( const struct vfs_dir *dd )
static void myfatfs_fill_stat( const FILINFO *fno, struct vfs_stat *buf )
{
GET_DIR_DP(dd);
struct myvfs_item *di;
c_memset( buf, 0, sizeof( struct vfs_stat ) );
if (di = c_malloc( sizeof( struct myvfs_item ) )) {
FILINFO *fno = &(di->fno);
if (FR_OK == (last_result = f_readdir( dp, fno ))) {
// condition "no further item" is signalled with empty name
if (fno->fname[0] != '\0') {
di->vfs_item.fs_type = VFS_FS_FATFS;
di->vfs_item.fns = &myfatfs_item_fns;
return (vfs_item *)di;
}
}
c_free( di );
}
return NULL;
}
// ---------------------------------------------------------------------------
// dir info functions
//
#define GET_FILINFO_FNO(descr) \
const struct myvfs_item *mydi = (const struct myvfs_item *)descr; \
FILINFO *fno = (FILINFO *)&(mydi->fno);
static void myfatfs_iclose( const struct vfs_item *di )
{
GET_FILINFO_FNO(di);
// free descriptor memory
c_free( (void *)di );
}
static uint32_t myfatfs_isize( const struct vfs_item *di )
{
GET_FILINFO_FNO(di);
return fno->fsize;
}
static sint32_t myfatfs_time( const struct vfs_item *di, struct vfs_time *tm )
{
GET_FILINFO_FNO(di);
// fill in supported stat entries
c_strncpy( buf->name, fno->fname, FS_OBJ_NAME_LEN+1 );
buf->name[FS_OBJ_NAME_LEN] = '\0';
buf->size = fno->fsize;
buf->is_dir = fno->fattrib & AM_DIR ? 1 : 0;
buf->is_rdonly = fno->fattrib & AM_RDO ? 1 : 0;
buf->is_hidden = fno->fattrib & AM_HID ? 1 : 0;
buf->is_sys = fno->fattrib & AM_SYS ? 1 : 0;
buf->is_arch = fno->fattrib & AM_ARC ? 1 : 0;
struct vfs_time *tm = &(buf->tm);
tm->year = (fno->fdate >> 9) + 1980;
tm->mon = (fno->fdate >> 5) & 0x0f;
tm->day = fno->fdate & 0x1f;
tm->hour = (fno->ftime >> 11);
tm->min = (fno->ftime >> 5) & 0x3f;
tm->sec = fno->ftime & 0x3f;
return VFS_RES_OK;
buf->tm_valid = 1;
}
static const char *myfatfs_name( const struct vfs_item *di )
static sint32_t myfatfs_readdir( const struct vfs_dir *dd, struct vfs_stat *buf )
{
GET_FILINFO_FNO(di);
GET_DIR_DP(dd);
FILINFO fno;
return fno->fname;
}
if (FR_OK == (last_result = f_readdir( dp, &fno ))) {
// condition "no further item" is signalled with empty name
if (fno.fname[0] != '\0') {
myfatfs_fill_stat( &fno, buf );
static sint32_t myfatfs_is_dir( const struct vfs_item *di )
{
GET_FILINFO_FNO(di);
return VFS_RES_OK;
}
}
return fno->fattrib & AM_DIR ? 1 : 0;
}
static sint32_t myfatfs_is_rdonly( const struct vfs_item *di )
{
GET_FILINFO_FNO(di);
return fno->fattrib & AM_RDO ? 1 : 0;
}
static sint32_t myfatfs_is_hidden( const struct vfs_item *di )
{
GET_FILINFO_FNO(di);
return fno->fattrib & AM_HID ? 1 : 0;
}
static sint32_t myfatfs_is_sys( const struct vfs_item *di )
{
GET_FILINFO_FNO(di);
return fno->fattrib & AM_SYS ? 1 : 0;
}
static sint32_t myfatfs_is_arch( const struct vfs_item *di )
{
GET_FILINFO_FNO(di);
return fno->fattrib & AM_ARC ? 1 : 0;
return VFS_RES_ERR;
}
@ -521,21 +434,17 @@ static vfs_dir *myfatfs_opendir( const char *name )
return NULL;
}
static vfs_item *myfatfs_stat( const char *name )
static sint32_t myfatfs_stat( const char *name, struct vfs_stat *buf )
{
struct myvfs_item *di;
FILINFO fno;
if (di = c_malloc( sizeof( struct myvfs_item ) )) {
if (FR_OK == (last_result = f_stat( name, &(di->fno) ))) {
di->vfs_item.fs_type = VFS_FS_FATFS;
di->vfs_item.fns = &myfatfs_item_fns;
return (vfs_item *)di;
} else {
c_free( di );
}
if (FR_OK == (last_result = f_stat( name, &fno ))) {
myfatfs_fill_stat( &fno, buf );
return VFS_RES_OK;
} else {
return VFS_RES_ERR;
}
return NULL;
}
static sint32_t myfatfs_remove( const char *name )

50
app/modules/file.c
View File

@ -214,14 +214,13 @@ static int file_open( lua_State* L )
static int file_list( lua_State* L )
{
vfs_dir *dir;
vfs_item *item;
if (dir = vfs_opendir("")) {
lua_newtable( L );
while (item = vfs_readdir(dir)) {
lua_pushinteger(L, vfs_item_size(item));
lua_setfield(L, -2, vfs_item_name(item));
vfs_closeitem(item);
struct vfs_stat stat;
while (vfs_readdir(dir, &stat) == VFS_RES_OK) {
lua_pushinteger(L, stat.size);
lua_setfield(L, -2, stat.name);
}
vfs_closedir(dir);
return 1;
@ -270,11 +269,8 @@ static int file_exists( lua_State* L )
const char *basename = vfs_basename( fname );
luaL_argcheck(L, c_strlen(basename) <= FS_OBJ_NAME_LEN && c_strlen(fname) == len, 1, "filename invalid");
vfs_item *stat = vfs_stat((char *)fname);
lua_pushboolean(L, stat ? 1 : 0);
if (stat) vfs_closeitem(stat);
struct vfs_stat stat;
lua_pushboolean(L, vfs_stat((char *)fname, &stat) == VFS_RES_OK ? 1 : 0);
return 1;
}
@ -332,58 +328,54 @@ static int file_stat( lua_State* L )
const char *fname = luaL_checklstring( L, 1, &len );
luaL_argcheck( L, c_strlen(fname) <= FS_OBJ_NAME_LEN && c_strlen(fname) == len, 1, "filename invalid" );
vfs_item *stat = vfs_stat( (char *)fname );
if (!stat) {
struct vfs_stat stat;
if (vfs_stat( (char *)fname, &stat ) != VFS_RES_OK) {
lua_pushnil( L );
return 1;
}
lua_createtable( L, 0, 7 );
lua_pushinteger( L, vfs_item_size( stat ) );
lua_pushinteger( L, stat.size );
lua_setfield( L, -2, "size" );
lua_pushstring( L, vfs_item_name( stat ) );
lua_pushstring( L, stat.name );
lua_setfield( L, -2, "name" );
lua_pushboolean( L, vfs_item_is_dir( stat ) );
lua_pushboolean( L, stat.is_dir );
lua_setfield( L, -2, "is_dir" );
lua_pushboolean( L, vfs_item_is_rdonly( stat ) );
lua_pushboolean( L, stat.is_rdonly );
lua_setfield( L, -2, "is_rdonly" );
lua_pushboolean( L, vfs_item_is_hidden( stat ) );
lua_pushboolean( L, stat.is_hidden );
lua_setfield( L, -2, "is_hidden" );
lua_pushboolean( L, vfs_item_is_sys( stat ) );
lua_pushboolean( L, stat.is_sys );
lua_setfield( L, -2, "is_sys" );
lua_pushboolean( L, vfs_item_is_arch( stat ) );
lua_pushboolean( L, stat.is_arch );
lua_setfield( L, -2, "is_arch" );
// time stamp as sub-table
vfs_time tm;
int got_time = VFS_RES_OK == vfs_item_time( stat, &tm ) ? TRUE : FALSE;
lua_createtable( L, 0, 6 );
lua_pushinteger( L, got_time ? tm.year : FILE_TIMEDEF_YEAR );
lua_pushinteger( L, stat.tm_valid ? stat.tm.year : FILE_TIMEDEF_YEAR );
lua_setfield( L, -2, "year" );
lua_pushinteger( L, got_time ? tm.mon : FILE_TIMEDEF_MON );
lua_pushinteger( L, stat.tm_valid ? stat.tm.mon : FILE_TIMEDEF_MON );
lua_setfield( L, -2, "mon" );
lua_pushinteger( L, got_time ? tm.day : FILE_TIMEDEF_DAY );
lua_pushinteger( L, stat.tm_valid ? stat.tm.day : FILE_TIMEDEF_DAY );
lua_setfield( L, -2, "day" );
lua_pushinteger( L, got_time ? tm.hour : FILE_TIMEDEF_HOUR );
lua_pushinteger( L, stat.tm_valid ? stat.tm.hour : FILE_TIMEDEF_HOUR );
lua_setfield( L, -2, "hour" );
lua_pushinteger( L, got_time ? tm.min : FILE_TIMEDEF_MIN );
lua_pushinteger( L, stat.tm_valid ? stat.tm.min : FILE_TIMEDEF_MIN );
lua_setfield( L, -2, "min" );
lua_pushinteger( L, got_time ? tm.sec : FILE_TIMEDEF_SEC );
lua_pushinteger( L, stat.tm_valid ? stat.tm.sec : FILE_TIMEDEF_SEC );
lua_setfield( L, -2, "sec" );
lua_setfield( L, -2, "time" );

8
app/platform/vfs.c
View File

@ -139,7 +139,7 @@ vfs_dir *vfs_opendir( const char *name )
return NULL;
}
vfs_item *vfs_stat( const char *name )
sint32_t vfs_stat( const char *name, struct vfs_stat *buf )
{
vfs_fs_fns *fs_fns;
const char *normname = normalize_path( name );
@ -147,19 +147,19 @@ vfs_item *vfs_stat( const char *name )
#ifdef BUILD_SPIFFS
if (fs_fns = myspiffs_realm( normname, &outname, FALSE )) {
return fs_fns->stat( outname );
return fs_fns->stat( outname, buf );
}
#endif
#ifdef BUILD_FATFS
if (fs_fns = myfatfs_realm( normname, &outname, FALSE )) {
vfs_item *r = fs_fns->stat( outname );
sint32_t r = fs_fns->stat( outname, buf );
c_free( outname );
return r;
}
#endif
return NULL;
return VFS_RES_ERR;
}
sint32_t vfs_remove( const char *name )

59
app/platform/vfs.h
View File

@ -104,57 +104,9 @@ inline sint32_t vfs_closedir( vfs_dir *dd ) { return dd->fns->close( dd ); }
// vfs_readdir - read next directory item
// dd: dir descriptor
// Returns: item object, or NULL in case of error
inline vfs_item *vfs_readdir( vfs_dir *dd ) { return dd->fns->readdir( dd ); }
// ---------------------------------------------------------------------------
// dir item functions
//
// vfs_closeitem - close directory item and free memory
// di: item descriptor
// Returns: nothing
inline void vfs_closeitem( vfs_item *di ) { return di->fns->close( di ); }
// vfs_item_size - get item's size
// di: item descriptor
// Returns: Item size
inline uint32_t vfs_item_size( vfs_item *di ) { return di->fns->size( di ); }
// vfs_item_time - get item's modification time
// di: item descriptor
// Returns: Item modification time
inline sint32_t vfs_item_time( vfs_item *di, struct vfs_time *tm ) { return di->fns->time ? di->fns->time( di, tm ) : VFS_RES_ERR; }
// vfs_item_name - get item's name
// di: item descriptor
// Returns: Item name
inline const char *vfs_item_name( vfs_item *di ) { return di->fns->name( di ); }
// vfs_item_is_dir - check for directory
// di: item descriptor
// Returns: >0 if item is a directory, 0 if not
inline sint32_t vfs_item_is_dir( vfs_item *di ) { return di->fns->is_dir ? di->fns->is_dir( di ) : 0; }
// vfs_item_is_rdonly - check for read-only
// di: item descriptor
// Returns: >0 if item is read only, 0 if not
inline sint32_t vfs_item_is_rdonly( vfs_item *di ) { return di->fns->is_rdonly ? di->fns->is_rdonly( di ) : 0; }
// vfs_item_is_hidden - check for hidden attribute
// di: item descriptor
// Returns: >0 if item is hidden, 0 if not
inline sint32_t vfs_item_is_hidden( vfs_item *di ) { return di->fns->is_hidden ? di->fns->is_hidden( di ) : 0; }
// vfs_item_is_sys - check for sys attribute
// di: item descriptor
// Returns: >0 if item is sys, 0 if not
inline sint32_t vfs_item_is_sys( vfs_item *di ) { return di->fns->is_sys ? di->fns->is_sys( di ) : 0; }
// vfs_item_is_arch - check for archive attribute
// di: item descriptor
// Returns: >0 if item is archive, 0 if not
inline sint32_t vfs_item_is_arch( vfs_item *di ) { return di->fns->is_arch ? di->fns->is_arch( di ) : 0; }
// buf: pre-allocated stat structure to be filled in
// Returns: VFS_RES_OK if next item found, otherwise VFS_RES_ERR
inline sint32_t vfs_readdir( vfs_dir *dd, struct vfs_stat *buf ) { return dd->fns->readdir( dd, buf ); }
// ---------------------------------------------------------------------------
// volume functions
@ -188,8 +140,9 @@ vfs_dir *vfs_opendir( const char *name );
// vfs_stat - stat file or directory
// name: file or directory name
// Returns: Item object, or NULL in case of error
vfs_item *vfs_stat( const char *name );
// buf: pre-allocated structure to be filled in
// Returns: VFS_RES_OK, or VFS_RES_ERR in case of error
sint32_t vfs_stat( const char *name, struct vfs_stat *buf );
// vfs_remove - remove file or directory
// name: file or directory name

38
app/platform/vfs_int.h
View File

@ -47,6 +47,19 @@ struct vfs_file {
};
typedef const struct vfs_file vfs_file;
// stat data
struct vfs_stat {
uint32_t size;
char name[FS_OBJ_NAME_LEN+1];
struct vfs_time tm;
uint8_t tm_valid;
uint8_t is_dir;
uint8_t is_rdonly;
uint8_t is_hidden;
uint8_t is_sys;
uint8_t is_arch;
};
// file descriptor functions
struct vfs_file_fns {
sint32_t (*close)( const struct vfs_file *fd );
@ -61,27 +74,6 @@ struct vfs_file_fns {
};
typedef const struct vfs_file_fns vfs_file_fns;
// generic dir item descriptor
struct vfs_item {
int fs_type;
const struct vfs_item_fns *fns;
};
typedef const struct vfs_item vfs_item;
// directory item functions
struct vfs_item_fns {
void (*close)( const struct vfs_item *di );
uint32_t (*size)( const struct vfs_item *di );
sint32_t (*time)( const struct vfs_item *di, struct vfs_time *tm );
const char *(*name)( const struct vfs_item *di );
sint32_t (*is_dir)( const struct vfs_item *di );
sint32_t (*is_rdonly)( const struct vfs_item *di );
sint32_t (*is_hidden)( const struct vfs_item *di );
sint32_t (*is_sys)( const struct vfs_item *di );
sint32_t (*is_arch)( const struct vfs_item *di );
};
typedef const struct vfs_item_fns vfs_item_fns;
// generic dir descriptor
struct vfs_dir {
int fs_type;
@ -92,7 +84,7 @@ typedef const struct vfs_dir vfs_dir;
// dir descriptor functions
struct vfs_dir_fns {
sint32_t (*close)( const struct vfs_dir *dd );
vfs_item *(*readdir)( const struct vfs_dir *dd );
sint32_t (*readdir)( const struct vfs_dir *dd, struct vfs_stat *buf );
};
typedef const struct vfs_dir_fns vfs_dir_fns;
@ -113,7 +105,7 @@ struct vfs_fs_fns {
vfs_vol *(*mount)( const char *name, int num );
vfs_file *(*open)( const char *name, const char *mode );
vfs_dir *(*opendir)( const char *name );
vfs_item *(*stat)( const char *name );
sint32_t (*stat)( const char *name, struct vfs_stat *buf );
sint32_t (*remove)( const char *name );
sint32_t (*rename)( const char *oldname, const char *newname );
sint32_t (*mkdir)( const char *name );

101
app/spiffs/spiffs.c
View File

@ -255,17 +255,12 @@ static uint32_t myspiffs_vfs_size( const struct vfs_file *fd );
static sint32_t myspiffs_vfs_ferrno( const struct vfs_file *fd );
static sint32_t myspiffs_vfs_closedir( const struct vfs_dir *dd );
static vfs_item *myspiffs_vfs_readdir( const struct vfs_dir *dd );
static void myspiffs_vfs_iclose( const struct vfs_item *di );
static uint32_t myspiffs_vfs_isize( const struct vfs_item *di );
//static const struct tm *myspiffs_vfs_time( const struct vfs_item *di );
static const char *myspiffs_vfs_name( const struct vfs_item *di );
static sint32_t myspiffs_vfs_readdir( const struct vfs_dir *dd, struct vfs_stat *buf );
static vfs_vol *myspiffs_vfs_mount( const char *name, int num );
static vfs_file *myspiffs_vfs_open( const char *name, const char *mode );
static vfs_dir *myspiffs_vfs_opendir( const char *name );
static vfs_item *myspiffs_vfs_stat( const char *name );
static sint32_t myspiffs_vfs_stat( const char *name, struct vfs_stat *buf );
static sint32_t myspiffs_vfs_remove( const char *name );
static sint32_t myspiffs_vfs_rename( const char *oldname, const char *newname );
static sint32_t myspiffs_vfs_fsinfo( uint32_t *total, uint32_t *used );
@ -308,18 +303,6 @@ static vfs_file_fns myspiffs_file_fns = {
.ferrno = myspiffs_vfs_ferrno
};
static vfs_item_fns myspiffs_item_fns = {
.close = myspiffs_vfs_iclose,
.size = myspiffs_vfs_isize,
.time = NULL,
.name = myspiffs_vfs_name,
.is_dir = NULL,
.is_rdonly = NULL,
.is_hidden = NULL,
.is_sys = NULL,
.is_arch = NULL
};
static vfs_dir_fns myspiffs_dd_fns = {
.close = myspiffs_vfs_closedir,
.readdir = myspiffs_vfs_readdir
@ -339,36 +322,6 @@ struct myvfs_dir {
spiffs_DIR d;
};
struct myvfs_stat {
struct vfs_item vfs_item;
spiffs_stat s;
};
// ---------------------------------------------------------------------------
// stat functions
//
#define GET_STAT_S(descr) \
const struct myvfs_stat *mystat = (const struct myvfs_stat *)descr; \
spiffs_stat *s = (spiffs_stat *)&(mystat->s);
static void myspiffs_vfs_iclose( const struct vfs_item *di ) {
// free descriptor memory
c_free( (void *)di );
}
static uint32_t myspiffs_vfs_isize( const struct vfs_item *di ) {
GET_STAT_S(di);
return s->size;
}
static const char *myspiffs_vfs_name( const struct vfs_item *di ) {
GET_STAT_S(di);
return s->name;
}
// ---------------------------------------------------------------------------
// volume functions
@ -396,25 +349,22 @@ static sint32_t myspiffs_vfs_closedir( const struct vfs_dir *dd ) {
c_free( (void *)dd );
}
static vfs_item *myspiffs_vfs_readdir( const struct vfs_dir *dd ) {
static sint32_t myspiffs_vfs_readdir( const struct vfs_dir *dd, struct vfs_stat *buf ) {
GET_DIR_D(dd);
struct myvfs_stat *stat;
struct spiffs_dirent dirent;
if (stat = c_malloc( sizeof( struct myvfs_stat ) )) {
if (SPIFFS_readdir( d, &dirent )) {
stat->vfs_item.fs_type = VFS_FS_FATFS;
stat->vfs_item.fns = &myspiffs_item_fns;
// copy entries to vfs' directory item
stat->s.size = dirent.size;
c_strncpy( stat->s.name, dirent.name, SPIFFS_OBJ_NAME_LEN );
return (vfs_item *)stat;
} else {
c_free( stat );
}
if (SPIFFS_readdir( d, &dirent )) {
c_memset( buf, 0, sizeof( struct vfs_stat ) );
// copy entries to item
// fill in supported stat entries
c_strncpy( buf->name, dirent.name, FS_OBJ_NAME_LEN+1 );
buf->name[FS_OBJ_NAME_LEN] = '\0';
buf->size = dirent.size;
return VFS_RES_OK;
}
return NULL;
return VFS_RES_ERR;
}
@ -566,20 +516,21 @@ static vfs_dir *myspiffs_vfs_opendir( const char *name ){
return NULL;
}
static vfs_item *myspiffs_vfs_stat( const char *name ) {
struct myvfs_stat *s;
static sint32_t myspiffs_vfs_stat( const char *name, struct vfs_stat *buf ) {
spiffs_stat stat;
if (s = (struct myvfs_stat *)c_malloc( sizeof( struct myvfs_stat ) )) {
if (0 <= SPIFFS_stat( &fs, name, &(s->s) )) {
s->vfs_item.fs_type = VFS_FS_SPIFFS;
s->vfs_item.fns = &myspiffs_item_fns;
return (vfs_item *)s;
} else {
c_free( s );
}
if (0 <= SPIFFS_stat( &fs, name, &stat )) {
c_memset( buf, 0, sizeof( struct vfs_stat ) );
// fill in supported stat entries
c_strncpy( buf->name, stat.name, FS_OBJ_NAME_LEN+1 );
buf->name[FS_OBJ_NAME_LEN] = '\0';
buf->size = stat.size;
return VFS_RES_OK;
} else {
return VFS_RES_ERR;
}
return NULL;
}
static sint32_t myspiffs_vfs_remove( const char *name ) {