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Fix FS8069, because Nico_P made it easy

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15840 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Brandon Low 2007-11-28 04:58:16 +00:00
parent 05784b52ab
commit 3386dd7be9
5 changed files with 107 additions and 0 deletions
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7
apps/buffering.h
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@ -41,6 +41,7 @@ enum callback_event {
EVENT_HANDLE_REBUFFER,
EVENT_HANDLE_CLOSED,
EVENT_HANDLE_MOVED,
EVENT_HANDLE_FINISHED,
};
/* Error return values */
@ -48,6 +49,7 @@ enum callback_event {
#define ERR_BUFFER_FULL -2
#define ERR_INVALID_VALUE -3
#define ERR_FILE_ERROR -4
#define ERR_HANDLE_NOT_DONE -5
/* Initialise the buffering subsystem */
@ -68,9 +70,12 @@ bool buffering_reset(char *buf, size_t buflen);
* bufadvance: Move handle reading index, relatively to current position
* bufread : Copy data from a handle to a buffer
* bufgetdata: Obtain a pointer for linear access to a "size" amount of data
* bufgettail: Out-of-band get the last size bytes of a handle.
* bufcuttail: Out-of-band remove the trailing 'size' bytes of a handle.
*
* NOTE: bufread and bufgetdata will block the caller until the requested
* amount of data is ready (unless EOF is reached).
* NOTE: Tail operations are only legal when the end of the file is buffered.
****************************************************************************/
#define BUF_MAX_HANDLES 256
@ -82,6 +87,8 @@ int bufseek(int handle_id, size_t newpos);
int bufadvance(int handle_id, off_t offset);
ssize_t bufread(int handle_id, size_t size, void *dest);
ssize_t bufgetdata(int handle_id, size_t size, void **data);
ssize_t bufgettail(int handle_id, size_t size, void **data);
ssize_t bufcuttail(int handle_id, size_t size);
/***************************************************************************