return write errors on close.

SVN revision: 22758
This commit is contained in:
Carsten Haitzler 2006-05-20 02:44:24 +00:00
parent 7494df931a
commit f019dcad07
3 changed files with 67 additions and 34 deletions

View File

@ -61,15 +61,26 @@ extern "C" {
/***************************************************************************/
enum _Eet_File_Mode
typedef enum _Eet_File_Mode
{
EET_FILE_MODE_INVALID = -1,
EET_FILE_MODE_READ,
EET_FILE_MODE_WRITE,
EET_FILE_MODE_READ_WRITE
};
} Eet_File_Mode;
typedef enum _Eet_File_Mode Eet_File_Mode;
typedef enum _Eet_Error
{
EET_ERROR_NONE,
EET_ERROR_BAD_OBJECT,
EET_ERROR_EMPTY,
EET_ERROR_NOT_WRITABLE,
EET_ERROR_WRITE_ERROR,
EET_ERROR_WRITE_ERROR_FILE_TOO_BIG,
EET_ERROR_WRITE_ERROR_IO_ERROR,
EET_ERROR_WRITE_ERROR_OUT_OF_SPACE,
EET_ERROR_WRITE_ERROR_FILE_CLOSED
} Eet_Error;
typedef struct _Eet_File Eet_File;
typedef struct _Eet_Data_Descriptor Eet_Data_Descriptor;
@ -202,7 +213,7 @@ extern "C" {
*
* If the eet file handle is not valid nothing will be done.
*/
EAPI void eet_close (Eet_File *ef);
EAPI Eet_Error eet_close(Eet_File *ef);
/**
* Read a specified entry from an eet file and return data

View File

@ -11,6 +11,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#if HAVE_ALLOCA_H
#include <alloca.h>
#endif

View File

@ -79,7 +79,7 @@ static void eet_cache_add(Eet_File *ef, Eet_File ***cache, int *cache_num,
static void eet_cache_del(Eet_File *ef, Eet_File ***cache, int *cache_num, int *cache_alloc);
static int eet_string_match(const char *s1, const char *s2);
static int eet_hash_gen(const char *key, int hash_size);
static void eet_flush(Eet_File *ef);
static Eet_Error eet_flush(Eet_File *ef);
static Eet_File_Node *find_node_by_name (Eet_File *ef, const char *name);
static int read_data_from_disk(Eet_File *ef, Eet_File_Node *efn, void *buf, int len);
@ -253,7 +253,7 @@ eet_hash_gen(const char *key, int hash_size)
}
/* flush out writes to an eet file */
static void
static Eet_Error
eet_flush(Eet_File *ef)
{
int i, count, size, num, offset;
@ -263,11 +263,11 @@ eet_flush(Eet_File *ef)
/* check to see its' an eet file pointer */
if ((!ef) || (ef->magic != EET_MAGIC_FILE))
return;
if (!ef->header) return;
if (!ef->header->directory) return;
if ((ef->mode != EET_FILE_MODE_WRITE) && (ef->mode != EET_FILE_MODE_READ_WRITE)) return;
if (!ef->writes_pending) return;
return EET_ERROR_BAD_OBJECT;
if (!ef->header) return EET_ERROR_EMPTY;
if (!ef->header->directory) return EET_ERROR_EMPTY;
if ((ef->mode != EET_FILE_MODE_WRITE) && (ef->mode != EET_FILE_MODE_READ_WRITE)) return EET_ERROR_NOT_WRITABLE;
if (!ef->writes_pending) return EET_ERROR_NONE;
/* calculate total size in bytes of directory block */
size = 0;
@ -340,7 +340,24 @@ eet_flush(Eet_File *ef)
i2 = htonl(i1);
*((int *)(buf + 16)) = (int)i2;
memcpy(buf + 20, efn->name, name_size);
if (fwrite(buf, buf_size, 1, ef->fp) != 1) return;
if (fwrite(buf, buf_size, 1, ef->fp) != 1)
{
write_error:
switch (ferror(ef->fp))
{
case EFBIG:
return EET_ERROR_WRITE_ERROR_FILE_TOO_BIG;
case EIO:
return EET_ERROR_WRITE_ERROR_IO_ERROR;
case ENOSPC:
return EET_ERROR_WRITE_ERROR_OUT_OF_SPACE;
case EPIPE:
return EET_ERROR_WRITE_ERROR_FILE_CLOSED;
default:
return EET_ERROR_WRITE_ERROR;
}
return EET_ERROR_WRITE_ERROR;
}
offset += buf_size;
}
}
@ -353,12 +370,13 @@ eet_flush(Eet_File *ef)
if (efn->compression >= 0)
{
if (fwrite(efn->data, efn->size, 1, ef->fp) != 1)
return;
goto write_error;
}
}
}
/* no more writes pending */
ef->writes_pending = 0;
return EET_ERROR_NONE;
}
EAPI int
@ -721,20 +739,22 @@ eet_mode_get(Eet_File *ef)
return ef->mode;
}
EAPI void
EAPI Eet_Error
eet_close(Eet_File *ef)
{
Eet_Error err;
/* check to see its' an eet file pointer */
if ((!ef) || (ef->magic != EET_MAGIC_FILE))
return;
return EET_ERROR_BAD_OBJECT;
/* deref */
ef->references--;
/* if its still referenced - dont go any further */
if (ef->references > 0) return;
if (ef->references > 0) return EET_ERROR_NONE;
/* if we are in cacheburst mode - dont free it - leave it in cache */
if (eet_cacheburst_mode)
{
if (!ef->delete_me_now) return;
if (!ef->delete_me_now) return EET_ERROR_NONE;
}
/* remove from cache */
if (ef->mode == EET_FILE_MODE_READ)
@ -742,7 +762,7 @@ eet_close(Eet_File *ef)
else if ((ef->mode == EET_FILE_MODE_WRITE) || (ef->mode == EET_FILE_MODE_READ_WRITE))
eet_cache_del(ef, &eet_writers, &eet_writers_num, &eet_writers_alloc);
/* flush any writes */
eet_flush(ef);
err = eet_flush(ef);
/* free up members */
if (ef->fp) fclose(ef->fp);
@ -779,6 +799,7 @@ eet_close(Eet_File *ef)
memset(ef, 0, sizeof(Eet_File));
/* free it */
free(ef);
return err;
}
EAPI void *