* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "fileio.h"
struct fileio_internal {
- const char *url;
- ssize_t size;
+ char *url;
+ size_t size;
enum fileio_type type;
enum fileio_access access;
FILE *file;
static inline int fileio_open_local(struct fileio_internal *fileio)
{
char file_access[4];
+ ssize_t file_size;
- switch (fileio->access)
- {
+ switch (fileio->access) {
case FILEIO_READ:
strcpy(file_access, "r");
break;
#ifndef _WIN32
if (fileio->type == FILEIO_BINARY)
#endif
- {
strcat(file_access, "b");
- }
- if (!(fileio->file = open_file_from_path (fileio->url, file_access)))
- {
+ fileio->file = open_file_from_path(fileio->url, file_access);
+ if (!fileio->file) {
LOG_ERROR("couldn't open %s", fileio->url);
return ERROR_FILEIO_OPERATION_FAILED;
}
- if ((fileio->access != FILEIO_WRITE) || (fileio->access == FILEIO_READWRITE))
- {
+ file_size = 0;
+
+ if ((fileio->access != FILEIO_WRITE) || (fileio->access == FILEIO_READWRITE)) {
/* NB! Here we use fseek() instead of stat(), since stat is a
* more advanced operation that might not apply to e.g. a disk path
* that refers to e.g. a tftp client */
result = fseek(fileio->file, 0, SEEK_END);
- fileio->size = ftell(fileio->file);
+ file_size = ftell(fileio->file);
result2 = fseek(fileio->file, 0, SEEK_SET);
- if ((fileio->size < 0)||(result < 0)||(result2 < 0))
- {
+ if ((file_size < 0) || (result < 0) || (result2 < 0)) {
fileio_close_local(fileio);
return ERROR_FILEIO_OPERATION_FAILED;
}
}
- else
- {
- fileio->size = 0x0;
- }
+
+ fileio->size = file_size;
return ERROR_OK;
}
-int fileio_open(struct fileio *fileio_p, const char *url, enum fileio_access access_type, enum fileio_type type)
+int fileio_open(struct fileio *fileio_p,
+ const char *url,
+ enum fileio_access access_type,
+ enum fileio_type type)
{
- int retval = ERROR_OK;
+ int retval;
+ struct fileio_internal *fileio;
- struct fileio_internal *fileio = malloc(sizeof(struct fileio_internal));
- fileio_p->fp = fileio;
+ fileio = malloc(sizeof(struct fileio_internal));
fileio->type = type;
fileio->access = access_type;
retval = fileio_open_local(fileio);
- return retval;
+ if (retval != ERROR_OK) {
+ free(fileio->url);
+ free(fileio);
+ return retval;
+ }
+
+ fileio_p->fp = fileio;
+
+ return ERROR_OK;
}
static inline int fileio_close_local(struct fileio_internal *fileio)
{
- int retval;
- if ((retval = fclose(fileio->file)) != 0)
- {
+ int retval = fclose(fileio->file);
+ if (retval != 0) {
if (retval == EBADF)
- {
LOG_ERROR("BUG: fileio_local->file not a valid file descriptor");
- }
else
- {
LOG_ERROR("couldn't close %s: %s", fileio->url, strerror(errno));
- }
return ERROR_FILEIO_OPERATION_FAILED;
}
retval = fileio_close_local(fileio);
- free((void*)fileio->url);
+ free(fileio->url);
fileio->url = NULL;
free(fileio);
{
int retval;
struct fileio_internal *fileio = fileio_p->fp;
- if ((retval = fseek(fileio->file, position, SEEK_SET)) != 0)
- {
+ retval = fseek(fileio->file, position, SEEK_SET);
+ if (retval != 0) {
LOG_ERROR("couldn't seek file %s: %s", fileio->url, strerror(errno));
return ERROR_FILEIO_OPERATION_FAILED;
}
}
static int fileio_local_read(struct fileio_internal *fileio,
- size_t size, void *buffer, size_t *size_read)
+ size_t size, void *buffer, size_t *size_read)
{
ssize_t retval = fread(buffer, 1, size, fileio->file);
*size_read = (retval >= 0) ? retval : 0;
}
int fileio_read(struct fileio *fileio_p, size_t size, void *buffer,
- size_t *size_read)
+ size_t *size_read)
{
struct fileio_internal *fileio = fileio_p->fp;
return fileio_local_read(fileio, size, buffer, size_read);
}
static int fileio_local_fgets(struct fileio_internal *fileio,
- size_t size, void *buffer)
+ size_t size, void *buffer)
{
if (fgets(buffer, size, fileio->file) == NULL)
return ERROR_FILEIO_OPERATION_FAILED;
}
static int fileio_local_write(struct fileio_internal *fileio,
- size_t size, const void *buffer, size_t *size_written)
+ size_t size, const void *buffer, size_t *size_written)
{
ssize_t retval = fwrite(buffer, 1, size, fileio->file);
*size_written = (retval >= 0) ? retval : 0;
}
int fileio_write(struct fileio *fileio_p,
- size_t size, const void *buffer, size_t *size_written)
+ size_t size, const void *buffer, size_t *size_written)
{
struct fileio_internal *fileio = fileio_p->fp;
int retval = fileio_local_write(fileio, size, buffer, size_written);
* Avoiding the seek on startup opens up for using streams.
*
*/
-int fileio_size(struct fileio *fileio_p, int *size)
+int fileio_size(struct fileio *fileio_p, size_t *size)
{
struct fileio_internal *fileio = fileio_p->fp;
*size = fileio->size;
+
return ERROR_OK;
}