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...
...
...
#define FX_SOURCE_CODE
#include "fx_api.h"
#include "fx_system.h"
#include "fx_directory.h"
#include "fx_file.h"
#include "fx_utility.h"
5 includes#ifdef FX_ENABLE_FAULT_TOLERANT
#include "fx_fault_tolerant.h"
#endif
...
...
UINT _fx_file_create(FX_MEDIA *media_ptr, CHAR *file_name)
{
FX_INT_SAVE_AREA
UINT status;
CHAR *name_ptr;
UINT i;
CHAR *work_ptr;
FX_DIR_ENTRY dir_entry;
FX_DIR_ENTRY search_directory;
#ifdef FX_ENABLE_EXFAT
ULONG64 dir_size;
#endif
#ifndef FX_MEDIA_STATISTICS_DISABLE
media_ptr -> fx_media_file_creates++;/* ... */
#endif
/* ... */
i = 0;
work_ptr = (CHAR *)file_name;
while (*work_ptr)
{
if ((*work_ptr == '\\') || (*work_ptr == '/'))
{
i = 0;
}if ((*work_ptr == '\\') || (*work_ptr == '/')) { ... }
else if ((*work_ptr != ' ') || (i != 0))
{
i++;
}else if ((*work_ptr != ' ') || (i != 0)) { ... }
work_ptr++;
}while (*work_ptr) { ... }
if ((i == 0) || (i >= FX_MAX_LONG_NAME_LEN))
{
return(FX_INVALID_NAME);
}if ((i == 0) || (i >= FX_MAX_LONG_NAME_LEN)) { ... }
dir_entry.fx_dir_entry_name = media_ptr -> fx_media_name_buffer + FX_MAX_LONG_NAME_LEN;
search_directory.fx_dir_entry_name = media_ptr -> fx_media_name_buffer + FX_MAX_LONG_NAME_LEN * 2;
dir_entry.fx_dir_entry_short_name[0] = 0;
search_directory.fx_dir_entry_short_name[0] = 0;
if (media_ptr -> fx_media_id != FX_MEDIA_ID)
{
return(FX_MEDIA_NOT_OPEN);
}if (media_ptr -> fx_media_id != FX_MEDIA_ID) { ... }
FX_TRACE_IN_LINE_INSERT(FX_TRACE_FILE_CREATE, media_ptr, file_name, 0, 0, FX_TRACE_FILE_EVENTS, 0, 0)
FX_PROTECT
#ifdef FX_ENABLE_FAULT_TOLERANT
_fx_fault_tolerant_transaction_start(media_ptr);/* ... */
#endif
if (media_ptr -> fx_media_driver_write_protect)
{
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
return(FX_WRITE_PROTECT);
}if (media_ptr -> fx_media_driver_write_protect) { ... }
status = _fx_directory_search(media_ptr, file_name, &dir_entry, &search_directory, &name_ptr);
if (status == FX_SUCCESS)
{
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
return(FX_ALREADY_CREATED);
}if (status == FX_SUCCESS) { ... }
if (_fx_directory_name_extract(name_ptr, &dir_entry.fx_dir_entry_name[0]))
{
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
/* ... */
return(FX_INVALID_PATH);
}if (_fx_directory_name_extract(name_ptr, &dir_entry.fx_dir_entry_name[0])) { ... }
#ifdef FX_ENABLE_EXFAT
if (media_ptr -> fx_media_FAT_type == FX_exFAT)
{
if (((dir_entry.fx_dir_entry_name[0] == '.') && (dir_entry.fx_dir_entry_name[1] == 0)) ||
((dir_entry.fx_dir_entry_name[0] == '.') && (dir_entry.fx_dir_entry_name[1] == '.') && (dir_entry.fx_dir_entry_name[2] == 0)))
{
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
return(FX_ALREADY_CREATED);
}if (((dir_entry.fx_dir_entry_name[0] == '.') && (dir_entry.fx_dir_entry_name[1] == 0)) || ((dir_entry.fx_dir_entry_name[0] == '.') && (dir_entry.fx_dir_entry_name[1] == '.') && (dir_entry.fx_dir_entry_name[2] == 0))) { ... }
}if (media_ptr -> fx_media_FAT_type == FX_exFAT) { ... }
dir_size = search_directory.fx_dir_entry_file_size;/* ... */
#endif
status = _fx_directory_free_search(media_ptr, &search_directory, &dir_entry);
if (status != FX_SUCCESS)
{
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
return(status);
}if (status != FX_SUCCESS) { ... }
_fx_directory_name_extract(name_ptr, &dir_entry.fx_dir_entry_name[0]);
FX_DISABLE_INTS
dir_entry.fx_dir_entry_time = _fx_system_time;
dir_entry.fx_dir_entry_date = _fx_system_date;
FX_RESTORE_INTS
dir_entry.fx_dir_entry_attributes = FX_ARCHIVE;
dir_entry.fx_dir_entry_file_size = 0;
#ifdef FX_ENABLE_EXFAT
dir_entry.fx_dir_entry_available_file_size = 0;/* ... */
#endif
dir_entry.fx_dir_entry_cluster = FX_NULL;
if (dir_entry.fx_dir_entry_name[0] == '.')
{
dir_entry.fx_dir_entry_attributes |= FX_HIDDEN;
}if (dir_entry.fx_dir_entry_name[0] == '.') { ... }
#ifdef FX_ENABLE_EXFAT
if (media_ptr -> fx_media_FAT_type == FX_exFAT)
{
dir_entry.fx_dir_entry_dont_use_fat = (CHAR)(((search_directory.fx_dir_entry_dont_use_fat & 1) << 1) | 1);
if (search_directory.fx_dir_entry_name[0])
{
search_directory.fx_dir_entry_time = dir_entry.fx_dir_entry_time;
search_directory.fx_dir_entry_date = dir_entry.fx_dir_entry_date;
if (search_directory.fx_dir_entry_file_size == dir_size)
{
status = _fx_directory_exFAT_entry_write(media_ptr, &search_directory, UPDATE_FILE);
}if (search_directory.fx_dir_entry_file_size == dir_size) { ... }
else
{
status = _fx_directory_exFAT_entry_write(media_ptr, &search_directory, UPDATE_STREAM);
}else { ... }
if (status != FX_SUCCESS)
{
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
return(status);
}if (status != FX_SUCCESS) { ... }
}if (search_directory.fx_dir_entry_name[0]) { ... }
}if (media_ptr -> fx_media_FAT_type == FX_exFAT) { ... }
else
{
dir_entry.fx_dir_entry_dont_use_fat = 0;
}else { ... }
/* ... */#endif
#ifdef FX_ENABLE_EXFAT
if (media_ptr -> fx_media_FAT_type == FX_exFAT)
{
status = _fx_directory_exFAT_entry_write(media_ptr, &dir_entry, UPDATE_FULL);
}if (media_ptr -> fx_media_FAT_type == FX_exFAT) { ... }
else
{
#endif
status = _fx_directory_entry_write(media_ptr, &dir_entry);
#ifdef FX_ENABLE_EXFAT
}else { ... }
#endif
#ifdef FX_ENABLE_FAULT_TOLERANT
if (status != FX_SUCCESS)
{
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
FX_UNPROTECT
return(status);
}if (status != FX_SUCCESS) { ... }
status = _fx_fault_tolerant_transaction_end(media_ptr);/* ... */
#endif
FX_UNPROTECT
return(status);
}{ ... }