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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_EXFAT
#include "fx_directory_exFAT.h"
#endif
#ifdef FX_ENABLE_FAULT_TOLERANT
#include "fx_fault_tolerant.h"
#endif
...
...
UINT _fx_file_rename(FX_MEDIA *media_ptr, CHAR *old_file_name, CHAR *new_file_name)
{
ULONG i;
CHAR *work_ptr;
CHAR alpha, beta;
UINT status;
#ifndef FX_DONT_UPDATE_OPEN_FILES
ULONG open_count;
FX_FILE *search_ptr;/* ... */
#endif
CHAR *new_name_ptr;
FX_DIR_ENTRY old_dir_entry, new_dir_entry;
FX_DIR_ENTRY search_directory;
#ifdef FX_RENAME_PATH_INHERIT
UINT j;
#endif
UCHAR not_a_file_attr;
#ifndef FX_MEDIA_STATISTICS_DISABLE
media_ptr -> fx_media_file_renames++;/* ... */
#endif
old_dir_entry.fx_dir_entry_name = media_ptr -> fx_media_name_buffer + FX_MAX_LONG_NAME_LEN;
new_dir_entry.fx_dir_entry_name = media_ptr -> fx_media_name_buffer + FX_MAX_LONG_NAME_LEN * 2;
search_directory.fx_dir_entry_name = media_ptr -> fx_media_name_buffer + FX_MAX_LONG_NAME_LEN * 3;
old_dir_entry.fx_dir_entry_short_name[0] = 0;
new_dir_entry.fx_dir_entry_short_name[0] = 0;
search_directory.fx_dir_entry_short_name[0] = 0;
/* ... */
i = 0;
work_ptr = (CHAR *)new_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)) { ... }
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_RENAME, media_ptr, old_file_name, new_file_name, 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, old_file_name, &old_dir_entry, &search_directory, FX_NULL);
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) { ... }
#ifdef FX_ENABLE_EXFAT
if (media_ptr -> fx_media_FAT_type == FX_exFAT)
{
not_a_file_attr = FX_DIRECTORY;
}if (media_ptr -> fx_media_FAT_type == FX_exFAT) { ... }
else
{
#endif
not_a_file_attr = FX_DIRECTORY | FX_VOLUME;
#ifdef FX_ENABLE_EXFAT
}else { ... }
#endif
if (old_dir_entry.fx_dir_entry_attributes & not_a_file_attr)
{
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
return(FX_NOT_A_FILE);
}if (old_dir_entry.fx_dir_entry_attributes & not_a_file_attr) { ... }
#ifdef FX_RENAME_PATH_INHERIT
if (((old_file_name[0] == '/') || (old_file_name[0] == '\\')) && (new_file_name[0] != '/') && (new_file_name[0] != '\\'))
{
work_ptr = (CHAR *)media_ptr -> fx_media_rename_buffer;
i = 0;
j = 0;
while ((old_file_name[i]) && (i < FX_MAXIMUM_PATH))
{
*work_ptr++ = old_file_name[i];
if ((old_file_name[i] == '/') || (old_file_name[i] == '\\'))
{
j = i;
}if ((old_file_name[i] == '/') || (old_file_name[i] == '\\')) { ... }
i++;
}while ((old_file_name[i]) && (i < FX_MAXIMUM_PATH)) { ... }
j++;
work_ptr = (CHAR *)&(media_ptr -> fx_media_rename_buffer[j]);
i = 0;
while ((new_file_name[i]) && (j < FX_MAXIMUM_PATH))
{
*work_ptr++ = new_file_name[i];
i++;
j++;
}while ((new_file_name[i]) && (j < FX_MAXIMUM_PATH)) { ... }
if (new_file_name[i])
{
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
return(FX_INVALID_PATH);
}if (new_file_name[i]) { ... }
*work_ptr = (CHAR)FX_NULL;
/* ... */
new_file_name = (CHAR *)media_ptr -> fx_media_rename_buffer;
}if (((old_file_name[0] == '/') || (old_file_name[0] == '\\')) && (new_file_name[0] != '/') && (new_file_name[0] != '\\')) { ... }
/* ... */#endif
status = _fx_directory_search(media_ptr, new_file_name, &new_dir_entry, &search_directory, &new_name_ptr);
if (status == FX_SUCCESS)
{
/* ... */
i = 0;
do
{
alpha = old_file_name[i];
if ((alpha >= 'a') && (alpha <= 'z'))
{
alpha = (CHAR)((INT)alpha - 0x20);
}if ((alpha >= 'a') && (alpha <= 'z')) { ... }
beta = new_file_name[i];
if ((beta >= 'a') && (beta <= 'z'))
{
beta = (CHAR)((INT)beta - 0x20);
}if ((beta >= 'a') && (beta <= 'z')) { ... }
if ((alpha != beta) || (alpha == 0))
{
break;
}if ((alpha != beta) || (alpha == 0)) { ... }
i++;
...} while (i < (FX_MAXIMUM_PATH-1));
if (alpha != beta)
{
/* ... */
#ifdef FX_ENABLE_FAULT_TOLERANT
FX_FAULT_TOLERANT_TRANSACTION_FAIL(media_ptr);
#endif
FX_UNPROTECT
return(FX_ALREADY_CREATED);
}if (alpha != beta) { ... }
}if (status == FX_SUCCESS) { ... }
if (_fx_directory_name_extract(new_name_ptr, &new_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_NAME);
}if (_fx_directory_name_extract(new_name_ptr, &new_dir_entry.fx_dir_entry_name[0])) { ... }
status = _fx_directory_free_search(media_ptr, &search_directory, &new_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(new_name_ptr, &new_dir_entry.fx_dir_entry_name[0]);
if (new_dir_entry.fx_dir_entry_long_name_present)
{
new_dir_entry.fx_dir_entry_short_name[0] = 0;
}if (new_dir_entry.fx_dir_entry_long_name_present) { ... }
new_dir_entry.fx_dir_entry_attributes = old_dir_entry.fx_dir_entry_attributes;
new_dir_entry.fx_dir_entry_cluster = old_dir_entry.fx_dir_entry_cluster;
new_dir_entry.fx_dir_entry_file_size = old_dir_entry.fx_dir_entry_file_size;
new_dir_entry.fx_dir_entry_reserved = old_dir_entry.fx_dir_entry_reserved;
new_dir_entry.fx_dir_entry_created_time_ms = old_dir_entry.fx_dir_entry_created_time_ms;
new_dir_entry.fx_dir_entry_created_time = old_dir_entry.fx_dir_entry_created_time;
new_dir_entry.fx_dir_entry_created_date = old_dir_entry.fx_dir_entry_created_date;
new_dir_entry.fx_dir_entry_last_accessed_date = old_dir_entry.fx_dir_entry_last_accessed_date;
new_dir_entry.fx_dir_entry_time = old_dir_entry.fx_dir_entry_time;
new_dir_entry.fx_dir_entry_date = old_dir_entry.fx_dir_entry_date;
#ifdef FX_ENABLE_EXFAT
if (media_ptr -> fx_media_FAT_type == FX_exFAT)
{
new_dir_entry.fx_dir_entry_dont_use_fat = old_dir_entry.fx_dir_entry_dont_use_fat;
new_dir_entry.fx_dir_entry_type = old_dir_entry.fx_dir_entry_type;
new_dir_entry.fx_dir_entry_available_file_size = old_dir_entry.fx_dir_entry_available_file_size;
new_dir_entry.fx_dir_entry_secondary_count = old_dir_entry.fx_dir_entry_secondary_count;
}if (media_ptr -> fx_media_FAT_type == FX_exFAT) { ... }
/* ... */#endif
if (new_dir_entry.fx_dir_entry_name[0] == '.')
{
new_dir_entry.fx_dir_entry_attributes |= FX_HIDDEN;
}if (new_dir_entry.fx_dir_entry_name[0] == '.') { ... }
#ifndef FX_MEDIA_DISABLE_SEARCH_CACHE
media_ptr -> fx_media_last_found_name[0] = FX_NULL;/* ... */
#endif
#ifdef FX_ENABLE_EXFAT
if (media_ptr -> fx_media_FAT_type == FX_exFAT)
{
status = _fx_directory_exFAT_entry_write(media_ptr, &new_dir_entry, UPDATE_FULL);
}if (media_ptr -> fx_media_FAT_type == FX_exFAT) { ... }
else
{
#endif
status = _fx_directory_entry_write(media_ptr, &new_dir_entry);
#ifdef FX_ENABLE_EXFAT
}else { ... }
#endif
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) { ... }
#ifndef FX_DONT_UPDATE_OPEN_FILES
open_count = media_ptr -> fx_media_opened_file_count;
search_ptr = media_ptr -> fx_media_opened_file_list;
while (open_count)
{
if ((search_ptr -> fx_file_dir_entry.fx_dir_entry_log_sector ==
old_dir_entry.fx_dir_entry_log_sector) &&
(search_ptr -> fx_file_dir_entry.fx_dir_entry_byte_offset ==
old_dir_entry.fx_dir_entry_byte_offset))
{
/* ... */
search_ptr -> fx_file_dir_entry.fx_dir_entry_cluster = new_dir_entry.fx_dir_entry_cluster;
search_ptr -> fx_file_dir_entry.fx_dir_entry_file_size = new_dir_entry.fx_dir_entry_file_size;
search_ptr -> fx_file_dir_entry.fx_dir_entry_log_sector = new_dir_entry.fx_dir_entry_log_sector;
search_ptr -> fx_file_dir_entry.fx_dir_entry_byte_offset = new_dir_entry.fx_dir_entry_byte_offset;
i = 0;
while (i < (FX_MAX_LONG_NAME_LEN - 1))
{
search_ptr -> fx_file_dir_entry.fx_dir_entry_name[i] = new_dir_entry.fx_dir_entry_name[i];
i++;
if (new_dir_entry.fx_dir_entry_name[i] == FX_NULL)
{
if (i < (FX_MAX_LONG_NAME_LEN - 1))
{
break;
}if (i < (FX_MAX_LONG_NAME_LEN - 1)) { ... }
}if (new_dir_entry.fx_dir_entry_name[i] == FX_NULL) { ... }
}while (i < (FX_MAX_LONG_NAME_LEN - 1)) { ... }
search_ptr -> fx_file_dir_entry.fx_dir_entry_name[i] = FX_NULL;
}if ((search_ptr -> fx_file_dir_entry.fx_dir_entry_log_sector == old_dir_entry.fx_dir_entry_log_sector) && (search_ptr -> fx_file_dir_entry.fx_dir_entry_byte_offset == old_dir_entry.fx_dir_entry_byte_offset)) { ... }
search_ptr = search_ptr -> fx_file_opened_next;
open_count--;
}while (open_count) { ... }
/* ... */#endif
old_dir_entry.fx_dir_entry_name[0] = (CHAR)FX_DIR_ENTRY_FREE;
old_dir_entry.fx_dir_entry_short_name[0] = (CHAR)FX_DIR_ENTRY_FREE;
#ifdef FX_ENABLE_EXFAT
if (media_ptr -> fx_media_FAT_type == FX_exFAT)
{
status = _fx_directory_exFAT_entry_write(media_ptr, &old_dir_entry, UPDATE_DELETE);
}if (media_ptr -> fx_media_FAT_type == FX_exFAT) { ... }
else
{
#endif
status = _fx_directory_entry_write(media_ptr, &old_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);
}{ ... }