/**
* Writes the contents of the given buffer into the given file.
*
* Note that if the length of the input buffer is zero or less,
* the file will be truncated.
*
* @param ppszError pointer to character string pointer to accept an error
* @param fileName file to write
* @param inBuffer buffer with data that will be stored
* @param inBufferLen length of the inBuffer
*
* @return status code (ALL_OK if there was no errors)
*/
MIDPError
write_file(char** ppszError, const pcsl_string* fileName,
char* inBuffer, long inBufferLen) {
int handle, status = ALL_OK;
char* pszTemp;
*ppszError = NULL;
/* open the file */
handle = storage_open(ppszError, fileName, OPEN_WRITE);
if (*ppszError != NULL) {
return IO_ERROR;
}
/* write the whole buffer */
if (inBufferLen > 0) {
storageWrite(ppszError, handle, inBuffer, inBufferLen);
} else {
storageTruncate(ppszError, handle, 0);
}
if (*ppszError != NULL) {
status = IO_ERROR;
}
/* close the file */
storageClose(&pszTemp, handle);
storageFreeError(pszTemp);
return status;
}
/**
* Deletes content handler information from a registry.
*
* @param handler_id content handler ID
* @return JSR211_OK if content handler unregistered successfully
*/
jsr211_result jsr211_unregister_handler(const pcsl_string* handler_id) {
long current_position, file_size, buffer_size;
int record_size;
char *buffer;
if (open_table_file(1) != JSR211_OK) {
return JSR211_FAILED;
}
if (find_next_by_field(NULL, JSR211_FIELD_ID, handler_id, JSR211_TRUE,
find_exact) == -1) {
close_table_file();
return JSR211_FAILED;
}
storageRead(&io_error_message, table_file, (char *)&record_size, sizeof(int));
current_position = storageRelativePosition(&io_error_message, table_file,
-(long)sizeof(int));
file_size = storageSizeOf(&io_error_message, table_file);
goto_next_record();
if (!(buffer = JSR211_MALLOC((buffer_size = file_size - current_position -
record_size)))) {
close_table_file();
return JSR211_FAILED;
}
storageRead(&io_error_message, table_file, buffer, buffer_size);
storagePosition(&io_error_message, table_file, current_position);
storageWrite(&io_error_message, table_file, buffer, buffer_size);
JSR211_FREE(buffer);
storageTruncate(&io_error_message, table_file, current_position +
buffer_size);
close_table_file();
return JSR211_OK;
}
