FRESULT TM_FATFS_TruncateBeginning(FIL* fil, uint32_t index) {
uint8_t Buffer[FATFS_TRUNCATE_BUFFER_SIZE]; /* Buffer for temporary data */
uint32_t FileSize = f_size(fil); /* Size of file */
uint32_t ReadIndex = index; /* Starting read index */
uint32_t WriteIndex = 0; /* We have to write at beginning */
uint32_t TotalSize = FileSize - ReadIndex; /* New file size after truncate */
uint32_t NewSize = TotalSize; /* Save new file size */
uint32_t BlockSize; /* Block size for read operation */
uint32_t Read; /* Read bytes */
uint32_t Written; /* Written bytes */
FRESULT fr; /* Result typedef */
/* Index is 0 or file is empty, nothing to do */
if (index == 0 || FileSize == 0) {
return FR_OK;
}
/* Check if index is more than file size, truncate all */
if (index > FileSize) {
fr = f_lseek(fil, 0); /* Go to beginning */
if (fr) return fr; /* Check for success */
return f_truncate(fil); /* Truncate file from new end to actual end */
}
/* Until we have available data in file after user specific index */
while (TotalSize > 0) {
/* Calculate new block size for new read operation */
BlockSize = (TotalSize > FATFS_TRUNCATE_BUFFER_SIZE) ? (FATFS_TRUNCATE_BUFFER_SIZE) : (TotalSize);
fr = f_lseek(fil, ReadIndex); /* Go to the read index */
if (fr) return fr; /* Check for success */
fr = f_read(fil, &Buffer, BlockSize, &Read); /* Read data */
if (fr) return fr; /* Check for success */
fr = f_lseek(fil, WriteIndex); /* Go back to the write index */
if (fr) return fr; /* Check for success */
fr = f_write(fil, &Buffer, BlockSize, &Written);/* Write data */
if (fr) return fr; /* Check for success */
TotalSize -= BlockSize; /* Calculate new total size we have more to move everything */
ReadIndex += Read; /* Calculate new read pointer */
WriteIndex += Written; /* Calculate new write pointer */
}
fr = f_lseek(fil, NewSize); /* Move pointer to the "end" of new file */
if (fr) return fr; /* Check for success */
fr = f_truncate(fil); /* Truncate file from new end to actual end */
return f_lseek(fil, 0); /* Move pointer to the beginning */
}
/** Функция обратного вызова при очистке */
static void EraseCallBack(char *path, char *fname)
{
FIL file;
FRESULT res;
char fullName[259] = {'\0'};
size_t len = strlen(path) + strlen(fname);
if (len > ( sizeof(fullName) / sizeof(fullName[0])) )
return;
sprintf(fullName, "%s/%s", path, fname);
res = f_open(&file, fullName, FA_OPEN_EXISTING | FA_WRITE);
f_sync(&file);
if (res) {
printf("Error open file: %s, res: %d\n\r", fullName, res);
return;
}
res = f_truncate(&file);
if (res != FR_OK) {
printf("Error truncate file: %s, res: %d\n\r", fullName, res);
}
f_sync(&file);
f_close(&file);
}
bool fileWrite(const void *buffer, const char *path, u32 size)
{
FIL file;
FRESULT result;
switch(f_open(&file, path, FA_WRITE | FA_OPEN_ALWAYS))
{
case FR_OK:
{
unsigned int written;
result = f_write(&file, buffer, size, &written);
if(result == FR_OK) result = f_truncate(&file);
result |= f_close(&file);
return result == FR_OK && (u32)written == size;
}
case FR_NO_PATH:
for(u32 i = 1; path[i] != 0; i++)
if(path[i] == '/')
{
char folder[i + 1];
memcpy(folder, path, i);
folder[i] = 0;
result = f_mkdir(folder);
}
return result == FR_OK && fileWrite(buffer, path, size);
default:
return false;
}
}
void ini_stripfile(FIL *file, unsigned int pos, unsigned int len)
{
FRESULT res;
unsigned int rd;
unsigned char c;
if((pos+len) >= file->fsize)
{
f_lseek(file, pos);
}
else
{
for(; (pos+len)<file->fsize; pos++)
{
f_lseek(file, pos+len);
res = f_read(file, &c, 1, &rd);
if((res != FR_OK) || (rd != 1))
{
break;
}
f_lseek(file, pos);
f_putc(c, file);
}
}
f_truncate(file);
return;
}
void shutdown_filesystem() {
char c[]="\r\nLogger turned off\r\n";
uint8_t a;
f_write(&FATFS_logfile,c,sizeof(c),&a); //Write the error to the file
f_sync(&FATFS_logfile); //Flush buffers
f_truncate(&FATFS_logfile); //Truncate the lenght - fix pre allocation
f_close(&FATFS_logfile); //Close any opened file
}
void OnTruncateFile(nwazetMessageContext_t* nmc){
uint8_t res = (uint8_t) FR_OK;
fileObjectMap_t* fileObj = GetFileObjectById(nmc);
if(fileObj){
res = (uint8_t) f_truncate(fileObj->file);
fsCheckSuccess(__func__, "f_truncate", res, 0);
StartResponse(nmc, res, true);
}
}
DWORD allocate_contiguous_clusters ( /* Returns the first sector in LBA (0:error or not contiguous) */
FIL* fp, /* Pointer to the open file object */
DWORD len /* Number of bytes to allocate */
)
{
DWORD csz, tcl, ncl, ccl, cl;
if (f_lseek(fp, 0) || !len) /* Check if the given parameters are valid */
return 0;
csz = 512UL * fp->fs->csize; /* Cluster size in unit of byte (assuming 512 bytes/sector) */
tcl = (len + csz - 1) / csz; /* Total number of clusters required */
len = tcl * csz; /* Round-up file size to the cluster boundary */
/* Check if the existing cluster chain is contiguous */
if (len == fp->fsize) {
ncl = 0; ccl = fp->sclust;
do {
cl = get_fat(fp->fs, ccl); /* Get the cluster status */
if (cl + 1 < 3) return 0; /* Hard error? */
if (cl != ccl + 1 && cl < fp->fs->n_fatent) break; /* Not contiguous? */
ccl = cl;
} while (++ncl < tcl);
if (ncl == tcl) /* Is the file contiguous? */
return clust2sect(fp->fs, fp->sclust); /* File is contiguous. Return the start sector */
}
/* File is not contiguous */
#if _FS_READONLY
return 0; /* Exit if in read-only cfg. */
#else
if (!(fp->flag & FA_WRITE)) return 0; /* Exit if the file object is for read-only */
if (f_truncate(fp)) return 0; /* Remove the non-contiguous chain */
/* Find a free contiguous area */
ccl = cl = 2; ncl = 0;
do {
if (cl >= fp->fs->n_fatent) return 0; /* No contiguous area is found. */
if (get_fat(fp->fs, cl)) { /* Encounterd a cluster in use */
do { /* Skip the block of used clusters */
cl++;
if (cl >= fp->fs->n_fatent) return 0; /* No contiguous area is found. */
} while (get_fat(fp->fs, cl));
ccl = cl; ncl = 0;
}
cl++; ncl++;
} while (ncl < tcl);
/* Create a contiguous cluster chain */
fp->fs->last_clust = ccl - 1;
if (f_lseek(fp, len)) return 0;
return clust2sect(fp->fs, fp->sclust); /* Return file start sector */
#endif
}
int
sc_ftruncate(thread_t *t, syscall_result_t *r, ftruncate_args_t *args)
{
file_t *f = f_get(t->thr_proc->p_fd, args->fd);
if(!f)
return -EBADF;
f_truncate(f, args->length);
frele(f);
return -EOK;
}
void record_init()
{
uint16_t num=0;
int8_t i;
NVIC_InitTypeDef NVIC_InitStructure;
/* Configure the NVIC Preemption Priority Bits */
// NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = SD_SDIO_DMA_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_Init(&NVIC_InitStructure);
disk_initialize(0);
res=f_mount(0, &fs[0]);
res=f_open(&fsrc, "0:/num.txt",FA_OPEN_EXISTING | FA_READ | FA_WRITE); // 以读方式打开，如果文件不存在则打开失败
if ( res == FR_OK )
{
res=f_read(&fsrc, read_Buff, sizeof(read_Buff), &br);
for (i=0;i<br;i++)
{
num=num*10+(read_Buff[i]-0x30);
}
if (num>=99)
num=0;
sprintf(record_num,"%d",num+1);
f_lseek(&fsrc,0);
f_puts (record_num,&fsrc);
f_truncate(&fsrc);
f_close(&fsrc);
sprintf(record_file_name,"0:/N%d.txt",num+1);
f_open(&file, record_file_name,FA_CREATE_NEW| FA_WRITE); // 以读方式打开，如果文件不存在则打开失败
f_close(&file);
}
else
f_close(&fsrc); /* 关闭打开的文件 */
}
int
mon_log(int argc, char **argv){
FIL fil;
int line_buf_size = MD_BUF_SIZE;
char *line_buf;
FRESULT fr;
if(argc!=2){
printf("specify [read] or [erase]\n");
return -1;
}
if(strcmp(argv[1],"read")==0){
//allocate the line buffer
line_buf = core_malloc(line_buf_size);
//print the log out to STDOUT
fr = f_open(&fil, LOG_FILE, FA_READ);
if(fr){
printf("error reading log: %d\n",(int)fr);
core_free(line_buf);
return -1;
}
while(f_gets(line_buf, line_buf_size, &fil)){
printf("%s",line_buf);
}
f_close(&fil);
core_free(line_buf);
return 0;
}
else if(strcmp(argv[1],"erase")==0){
fr = f_open(&fil, LOG_FILE, FA_WRITE);
if(fr){
printf("error erasing log: %d\n", (int)fr);
return -1;
}
f_lseek(&fil,0);
f_truncate(&fil);
f_close(&fil);
if(wemo_config.echo)
printf("erased log\n");
return 0;
}
else{
printf("specify [read] or [erase]\n");
return -1;
}
//shouldn't get here
return 0;
}
/**
* @brief This function handles ADC1-2 interrupt requests.- Should only be from the analog watchdog
* @param None
* @retval None
*/
__attribute__((externally_visible)) void ADC1_2_IRQHandler(void) {
if(ADC_GetITStatus(ADC2, ADC_IT_AWD)) { //Analogue watchdog was triggered
if(file_opened) {
char c[]="\r\nLow Battery\r\n";
uint8_t a;
f_write(&FATFS_logfile,c,sizeof(c),&a); //Write the error to the file
f_sync(&FATFS_logfile); //Flush buffers
f_truncate(&FATFS_logfile); //Truncate the lenght - fix pre allocation
f_close(&FATFS_logfile); //Close any opened file
}
red_flash(); //Flash red led
shutdown(); //Shutdown to save battery
}
ADC_ClearITPendingBit(ADC2, ADC_IT_EOC);
ADC_ClearITPendingBit(ADC2, ADC_IT_JEOC);
ADC_ClearITPendingBit(ADC1, ADC_IT_EOC);
ADC_ClearITPendingBit(ADC1, ADC_IT_JEOC); //None of these should ever happen, but best to be safe
ADC_ClearITPendingBit(ADC1, ADC_IT_AWD); //make sure flags are clear
}
// Truncate file at current file pointer
bool FileStore::Truncate()
{
switch (usageMode)
{
case FileUseMode::free:
case FileUseMode::readOnly:
INTERNAL_ERROR;
return false;
case FileUseMode::readWrite:
if (!Flush())
{
return false;
}
return f_truncate(&file) == FR_OK;
case FileUseMode::invalidated:
default:
return false;
}
}
//delete spaces/line breaks at end of file
void ini_delspace(FIL *file)
{
FRESULT res;
unsigned int i, rd;
unsigned char c;
if(file->fsize)
{
for(i=file->fsize-1, c=0; ((c == 0) || (c == '\r') || (c == '\n'));)
{
f_lseek(file, i--);
res = f_read(file, &c, 1, &rd);
if((res != FR_OK) || (rd != 1))
{
break;
}
}
f_truncate(file);
}
return;
}
static int fat_truncate(struct device_d *dev, FILE *f, ulong size)
{
FIL *f_file = f->inode;
unsigned long lastofs;
int ret;
lastofs = f_file->fptr;
ret = f_lseek(f_file, size);
if (ret)
return ret;
ret = f_truncate(f_file);
if (ret)
return ret;
ret = f_lseek(f_file, lastofs);
if (ret)
return ret;
return 0;
}
int fatfs_truncate(struct block_cache *output, off_t block_offset, const char *filename)
{
// Check if this is the same file as a previous pwrite call
if (current_file_ && strcmp(current_file_, filename) != 0)
close_open_files();
MAYBE_MOUNT(output, block_offset);
if (!current_file_) {
// FA_CREATE_ALWAYS truncates if the file exists
CHECK("Can't open file on FAT partition", filename, f_open(&fil_, filename, FA_CREATE_ALWAYS | FA_WRITE));
// Assuming it opens ok, cache the filename for future writes.
current_file_ = strdup(filename);
} else {
// Truncate an already open file
CHECK("Can't seek to the beginning", filename, f_lseek(&fil_, 0));
CHECK("Can't truncate file on FAT partition", filename, f_truncate(&fil_));
}
// Leave the file open since the main use case is to start writing to it afterwards.
return 0;
}
static int fatfs_ftruncate(mount_point_t *point, file_t *file, off_t len)
{
privinfo_t *priv = file->ctx;
FRESULT res;
if (priv == NULL) {
seterrno(EINVAL);
return -1;
}
res = f_lseek(&priv->file, len);
if (res != FR_OK) {
fatfs_result_to_errno(res);
return -1;
}
res = f_truncate(&priv->file);
if (res == FR_OK) {
return 0;
} else {
fatfs_result_to_errno(res);
return -1;
}
}
/**
* @brief write a profile string to a ini file
* @param section [in] name of the section,can't be NULL and empty string
* @param key [in] name of the key pairs to value, can't be NULL and empty string
* @param value [in] profile string value
* @param file [in] path of ini file
* @return 1 : success\n 0 : failure
*/
int write_profile_string(const char *section, const char *key,
const char *value, const char *file)
{
char *buf;
char *w_buf;
int sec_s,sec_e,key_s,key_e, value_s, value_e;
int value_len = (int)strlen(value);
int file_size;
unsigned int new_file_size;
//check parameters
assert(section != NULL && strlen(section));
assert(key != NULL && strlen(key));
assert(value != NULL);
assert(file !=NULL &&strlen(key));
buf = (char *)sys_malloc(MAX_FILE_SIZE);
w_buf = (char *)sys_malloc(MAX_FILE_SIZE);
memset(buf,0,MAX_FILE_SIZE);
memset(w_buf,0,MAX_FILE_SIZE);
if(!load_ini_file(file,buf,&file_size))
{
sec_s = -1;
}
else
{
parse_file(section,key,buf,&sec_s,&sec_e,&key_s,&key_e,&value_s,&value_e);
}
if( -1 == sec_s)
{
if(0==file_size)
{
sprintf(w_buf,"[%s]\r\n%s=%s\r\n",section,key,value);
new_file_size = strlen(section) + strlen(key) + strlen(value) + 5;
}
else
{
//not find the section, then add the new section at end of the file
memcpy(w_buf,buf,file_size);
sprintf(w_buf+file_size,"\r\n[%s]\r\n%s=%s\r\n",section,key,value);
new_file_size = file_size + strlen(section) + strlen(key) + value_len + 7;
}
}
else if(-1 == key_s)
{
//not find the key, then add the new key=value at end of the section
memcpy(w_buf, buf, sec_e);
sprintf(w_buf + sec_e, "%s=%s\r\n", key, value);
memcpy(w_buf + sec_e + strlen(key) + value_len + 3,buf + sec_e, file_size - sec_e);
new_file_size = file_size + strlen(key) + value_len + 3;
}
else
{
//update value with new value
memcpy(w_buf, buf, value_s);
memcpy(w_buf + value_s, value, value_len);
memcpy(w_buf+value_s+value_len, buf+value_e, file_size - value_e);
new_file_size = file_size - value_e + value_len + value_s;
}
FIL file_obj;
unsigned int br;
if (f_open(&file_obj, file, FA_WRITE)) {
sys_free(buf);
sys_free(w_buf);
return 0;
}
if (f_write(&file_obj, w_buf, new_file_size, &br)) {
sys_free(buf);
sys_free(w_buf);
return 0;
}
if (f_truncate(&file_obj)) { /* Truncate unused area */
sys_free(buf);
sys_free(w_buf);
return 0;
}
f_close(&file_obj);
sys_free(buf);
sys_free(w_buf);
return 1;
}
static VALUE
nurat_rem(VALUE self, VALUE other)
{
VALUE val = f_truncate(f_div(self, other));
return f_sub(self, f_mul(other, val));
}
void CFile::truncate()
{
f_truncate(&mFileDescriptor);
}
/* :nodoc: */
static VALUE
nurat_quot(VALUE self, VALUE other)
{
return f_truncate(f_div(self, other));
}
/* :nodoc: */
static VALUE
nurat_quotrem(VALUE self, VALUE other)
{
VALUE val = f_truncate(f_div(self, other));
return rb_assoc_new(val, f_sub(self, f_mul(other, val)));
}
void file_truncate(FIL *fp)
{
FRESULT res = f_truncate(fp);
if (res != FR_OK) ff_fail(fp, res);
}
FRESULT DFILE::fstruncate (void)
{
return(f_truncate (&_file));
}
static msg_t ThreadFatFSWorker(void *arg) {
(void)arg;
Thread* p;
chRegSetThreadName("fatfsWorker");
while (!chThdShouldTerminate()) {
/* Wait for msg with work to do. */
p = chMsgWait();
struct wrapper_msg_base* msg = (struct wrapper_msg_base*) chMsgGet(p);
msg->result = FR_INVALID_PARAMETER;
switch(msg->action) {
case eTERMINATE: {
break;
}
#if HAS_MOUNT
case eFMOUNT: {
const struct wrapper_msg_vBYTEpFATFS* exmsg = \
(const struct wrapper_msg_vBYTEpFATFS*) msg;
msg->result = f_mount(exmsg->byte, exmsg->fatfsp);
break;
}
#endif /* HAS_MOUNT */
#if HAS_OPEN
case eFOPEN: {
const struct wrapper_msg_pFILpTCHARvBYTE* exmsg = \
(const struct wrapper_msg_pFILpTCHARvBYTE*) msg;
msg->result = f_open(exmsg->filep, exmsg->string, exmsg->byte);
break;
}
#endif /* HAS_OPEN */
#if HAS_READ
case eFREAD: {
const struct wrapper_msg_pFILpVOIDvUINTpUINT* exmsg = \
(const struct wrapper_msg_pFILpVOIDvUINTpUINT*) msg;
msg->result = f_read(exmsg->filep, exmsg->voidp, exmsg->uint,
exmsg->uintp);
break;
}
#endif /* HAS_READ */
#if HAS_WRITE
case eFWRITE: {
const struct wrapper_msg_pFILpVOIDvUINTpUINT* exmsg = \
(const struct wrapper_msg_pFILpVOIDvUINTpUINT*) msg;
msg->result = f_write(exmsg->filep, exmsg->voidp, exmsg->uint,
exmsg->uintp);
break;
}
#endif /* HAD_WRITE */
#if HAS_SYNC
case eFSYNC: {
const struct wrapper_msg_pFIL* exmsg = \
(const struct wrapper_msg_pFIL*) msg;
msg->result = f_sync(exmsg->filep);
break;
}
#endif /* HAS_SYNC */
#if HAS_CHDRIVE
case eFCHDRIVE: {
const struct wrapper_msg_vBYTE* exmsg = \
(const struct wrapper_msg_vBYTE*) msg;
msg->result = f_chdrive(exmsg->byte);
break;
}
#endif
#if HAS_CHDIR
case eFCHDIR: {
const struct wrapper_msg_pTCHAR* exmsg = \
(const struct wrapper_msg_pTCHAR*) msg;
msg->result = f_chdir(exmsg->string);
break;
}
#endif /* HAS_CHDIR */
#if HAS_GETCWD
case eFGETCWD: {
const struct wrapper_msg_pTCHARvUINT* exmsg = \
(const struct wrapper_msg_pTCHARvUINT*) msg;
msg->result = f_getcwd(exmsg->string, exmsg->uint);
break;
}
#endif
#if HAS_LSEEK
case eFLSEEK: {
const struct wrapper_msg_pFILvDWORD* exmsg = \
(const struct wrapper_msg_pFILvDWORD*) msg;
msg->result = f_lseek(exmsg->filep, exmsg->dword);
break;
}
#endif /* HAS_LSEEK */
#if HAS_CLOSE
case eFCLOSE: {
const struct wrapper_msg_pFIL* exmsg = \
(const struct wrapper_msg_pFIL*) msg;
msg->result = f_close(exmsg->filep);
break;
}
#endif /* HAS_CLOSE */
#if HAS_OPENDIR
case eFOPENDIR: {
const struct wrapper_msg_pDIRpTCHAR* exmsg = \
(const struct wrapper_msg_pDIRpTCHAR*) msg;
msg->result = f_opendir(exmsg->dirp, exmsg->string);
break;
}
#endif /* HAD_OPENDIR */
#if HAS_READDIR
case eFREADDIR: {
const struct wrapper_msg_pDIRpFILINFO* exmsg = \
(const struct wrapper_msg_pDIRpFILINFO*) msg;
msg->result = f_readdir(exmsg->dirp, exmsg->filinfop);
break;
}
#endif /* HAS_READDIR */
#if HAS_STAT
case eFSTAT: {
const struct wrapper_msg_pTCHARpFILINFO* exmsg = \
(const struct wrapper_msg_pTCHARpFILINFO*) msg;
msg->result = f_stat(exmsg->string, exmsg->filinfop);
break;
}
#endif /* HAS_STAT */
#if HAS_GETFREE
case eFGETFREE: {
const struct wrapper_msg_pTCHARpDWORDppFATFS* exmsg = \
(const struct wrapper_msg_pTCHARpDWORDppFATFS*) msg;
msg->result = f_getfree(exmsg->string, exmsg->dwordp, exmsg->fatfspp);
break;
}
#endif /* HAS_GETFREE */
#if HAS_TRUNCATE
case eFTRUNCATE: {
const struct wrapper_msg_pFIL* exmsg = \
(const struct wrapper_msg_pFIL*) msg;
msg->result = f_truncate(exmsg->filep);
break;
}
#endif /* HAS_TRUNCATE */
#if HAS_UNLINK
case eFUNLINK: {
const struct wrapper_msg_pTCHAR* exmsg = \
(const struct wrapper_msg_pTCHAR*) msg;
msg->result = f_unlink(exmsg->string);
break;
}
#endif /* HAS_UNLINK */
#if HAS_MKDIR
case eFMKDIR: {
const struct wrapper_msg_pTCHAR* exmsg = \
(const struct wrapper_msg_pTCHAR*) msg;
msg->result = f_mkdir(exmsg->string);
break;
}
#endif /* HAS_MKDIR */
#if HAS_CHMOD
case eFCHMOD: {
const struct wrapper_msg_pTCHARvBYTEvBYTE* exmsg = \
(const struct wrapper_msg_pTCHARvBYTEvBYTE*) msg;
msg->result = f_chmod(exmsg->string, exmsg->byte1, exmsg->byte2);
break;
}
#endif /* HAS_CHMOD */
#if HAS_UTIME
case eFUTIME: {
const struct wrapper_msg_pTCHARpFILINFO* exmsg = \
(const struct wrapper_msg_pTCHARpFILINFO*) msg;
msg->result = f_utime(exmsg->string, exmsg->filinfop);
break;
}
#endif /* HAD_UTIME */
#if HAS_RENAME
case eFRENAME: {
const struct wrapper_msg_pTCHARpTCHAR* exmsg = \
(const struct wrapper_msg_pTCHARpTCHAR*) msg;
msg->result = f_rename(exmsg->string1, exmsg->string2);
break;
}
#endif /* HAS_RENAME */
#if HAS_MKFS
case eFMKFS: {
const struct wrapper_msg_vBYTEvBYTEvUINT* exmsg = \
(const struct wrapper_msg_vBYTEvBYTEvUINT*) msg;
msg->result = f_mkfs(exmsg->byte1, exmsg->byte2, exmsg->uint);
break;
}
#endif /* HAS_MKFS */
#if HAS_FDISK
case eFFDISK: {
const struct wrapper_msg_vBYTEpDWORDpVOID* exmsg = \
(const struct wrapper_msg_vBYTEpDWORDpVOID*) msg;
msg->result = f_fdisk(exmsg->byte, exmsg->dwordp, exmsg->voidp);
break;
}
#endif /* HAS_FDISK */
#if HAS_GETS
case eFGETS: {
struct wrapper_msg_pTCHARvINTpFILpTCHAR* exmsg = \
(struct wrapper_msg_pTCHARvINTpFILpTCHAR*) msg;
exmsg->string2 = f_gets(exmsg->string, exmsg->n, exmsg->filep);
break;
}
#endif /* HAS_GETS */
#if HAS_PUTC
case eFPUTC: {
const struct wrapper_msg_vTCHARpFIL* exmsg = \
(const struct wrapper_msg_vTCHARpFIL*) msg;
msg->result = f_putc(exmsg->tchar, exmsg->filep);
break;
}
#endif /* HAS_PUTC */
#if HAS_PUTS
case eFPUTS: {
const struct wrapper_msg_pTCHARpFIL* exmsg = \
(const struct wrapper_msg_pTCHARpFIL*) msg;
msg->result = f_puts(exmsg->string, exmsg->filep);
break;
}
#endif /* HAS_PUTS */
}
/* Done, release msg again. */
chMsgRelease(p, 0);
}
return 0;
}
FRESULT FatFs::File::truncate()
{
return f_truncate(&file);
}