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Prefix the error constants with ERR_

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15359 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nicolas Pennequin 2007-10-29 14:15:59 +00:00
parent 75eff7af5e
commit d400e23e38
3 changed files with 27 additions and 27 deletions
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32
apps/buffering.c
View file

@ -803,11 +803,11 @@ management functions for all the actual handle management work.
int bufopen(const char *file, size_t offset, enum data_type type) int bufopen(const char *file, size_t offset, enum data_type type)
{ {
if (!can_add_handle()) if (!can_add_handle())
return BUFFER_FULL; return ERR_BUFFER_FULL;
int fd = open(file, O_RDONLY); int fd = open(file, O_RDONLY);
if (fd < 0) if (fd < 0)
return FILE_ERROR; return ERR_FILE_ERROR;
size_t size = filesize(fd); size_t size = filesize(fd);
@ -816,7 +816,7 @@ int bufopen(const char *file, size_t offset, enum data_type type)
{ {
DEBUGF("bufopen: failed to add handle\n"); DEBUGF("bufopen: failed to add handle\n");
close(fd); close(fd);
return BUFFER_FULL; return ERR_BUFFER_FULL;
} }
strncpy(h->path, file, MAX_PATH); strncpy(h->path, file, MAX_PATH);
@ -854,12 +854,12 @@ int bufopen(const char *file, size_t offset, enum data_type type)
int bufalloc(const void *src, size_t size, enum data_type type) int bufalloc(const void *src, size_t size, enum data_type type)
{ {
if (!can_add_handle()) if (!can_add_handle())
return BUFFER_FULL; return ERR_BUFFER_FULL;
struct memory_handle *h = add_handle(size, false, true); struct memory_handle *h = add_handle(size, false, true);
if (!h) if (!h)
return BUFFER_FULL; return ERR_BUFFER_FULL;
if (src) { if (src) {
if (type == TYPE_ID3 && size == sizeof(struct mp3entry)) { if (type == TYPE_ID3 && size == sizeof(struct mp3entry)) {
@ -907,11 +907,11 @@ int bufseek(int handle_id, size_t newpos)
{ {
struct memory_handle *h = find_handle(handle_id); struct memory_handle *h = find_handle(handle_id);
if (!h) if (!h)
return HANDLE_NOT_FOUND; return ERR_HANDLE_NOT_FOUND;
if (newpos > h->filesize) { if (newpos > h->filesize) {
/* access beyond the end of the file */ /* access beyond the end of the file */
return INVALID_VALUE; return ERR_INVALID_VALUE;
} }
else if (newpos < h->offset || h->offset + h->available < newpos) { else if (newpos < h->offset || h->offset + h->available < newpos) {
/* access before or after buffered data. A rebuffer is needed. */ /* access before or after buffered data. A rebuffer is needed. */
@ -929,7 +929,7 @@ int bufadvance(int handle_id, off_t offset)
{ {
const struct memory_handle *h = find_handle(handle_id); const struct memory_handle *h = find_handle(handle_id);
if (!h) if (!h)
return HANDLE_NOT_FOUND; return ERR_HANDLE_NOT_FOUND;
size_t newpos = h->offset + RINGBUF_SUB(h->ridx, h->data) + offset; size_t newpos = h->offset + RINGBUF_SUB(h->ridx, h->data) + offset;
return bufseek(handle_id, newpos); return bufseek(handle_id, newpos);
@ -941,18 +941,18 @@ ssize_t bufread(int handle_id, size_t size, void *dest)
{ {
const struct memory_handle *h = find_handle(handle_id); const struct memory_handle *h = find_handle(handle_id);
if (!h) if (!h)
return HANDLE_NOT_FOUND; return ERR_HANDLE_NOT_FOUND;
size_t ret; size_t ret;
size_t copy_n = RINGBUF_SUB(h->widx, h->ridx); size_t copy_n = RINGBUF_SUB(h->widx, h->ridx);
if (size == 0 && h->filerem > 0 && copy_n == 0) if (size == 0 && h->filerem > 0 && copy_n == 0)
/* Data isn't ready */ /* Data isn't ready */
return DATA_NOT_READY; return ERR_DATA_NOT_READY;
if (copy_n < size && h->filerem > 0) if (copy_n < size && h->filerem > 0)
/* Data isn't ready */ /* Data isn't ready */
return DATA_NOT_READY; return ERR_DATA_NOT_READY;
if (copy_n == 0 && h->filerem == 0) if (copy_n == 0 && h->filerem == 0)
/* File is finished reading */ /* File is finished reading */
@ -984,18 +984,18 @@ ssize_t bufgetdata(int handle_id, size_t size, void **data)
{ {
const struct memory_handle *h = find_handle(handle_id); const struct memory_handle *h = find_handle(handle_id);
if (!h) if (!h)
return HANDLE_NOT_FOUND; return ERR_HANDLE_NOT_FOUND;
ssize_t ret; ssize_t ret;
size_t copy_n = RINGBUF_SUB(h->widx, h->ridx); size_t copy_n = RINGBUF_SUB(h->widx, h->ridx);
if (size == 0 && h->filerem > 0 && copy_n == 0) if (size == 0 && h->filerem > 0 && copy_n == 0)
/* Data isn't ready */ /* Data isn't ready */
return DATA_NOT_READY; return ERR_DATA_NOT_READY;
if (copy_n < size && h->filerem > 0) if (copy_n < size && h->filerem > 0)
/* Data isn't ready */ /* Data isn't ready */
return DATA_NOT_READY; return ERR_DATA_NOT_READY;
if (copy_n == 0 && h->filerem == 0) if (copy_n == 0 && h->filerem == 0)
/* File is finished reading */ /* File is finished reading */
@ -1040,7 +1040,7 @@ ssize_t buf_get_offset(int handle_id, void *ptr)
{ {
const struct memory_handle *h = find_handle(handle_id); const struct memory_handle *h = find_handle(handle_id);
if (!h) if (!h)
return HANDLE_NOT_FOUND; return ERR_HANDLE_NOT_FOUND;
return (size_t)ptr - (size_t)&buffer[h->ridx]; return (size_t)ptr - (size_t)&buffer[h->ridx];
} }
@ -1049,7 +1049,7 @@ ssize_t buf_handle_offset(int handle_id)
{ {
const struct memory_handle *h = find_handle(handle_id); const struct memory_handle *h = find_handle(handle_id);
if (!h) if (!h)
return HANDLE_NOT_FOUND; return ERR_HANDLE_NOT_FOUND;
return h->offset; return h->offset;
} }

10
apps/buffering.h
View file

@ -36,11 +36,11 @@ enum data_type {
}; };
/* Error return values */ /* Error return values */
#define HANDLE_NOT_FOUND -1 #define ERR_HANDLE_NOT_FOUND -1
#define BUFFER_FULL -2 #define ERR_BUFFER_FULL -2
#define INVALID_VALUE -3 #define ERR_INVALID_VALUE -3
#define FILE_ERROR -4 #define ERR_FILE_ERROR -4
#define DATA_NOT_READY -5 #define ERR_DATA_NOT_READY -5
/* Initialise the buffering subsystem */ /* Initialise the buffering subsystem */

12
apps/playback.c
View file

@ -366,11 +366,11 @@ static void *bufgetcodec(struct track_info *track)
void *ptr; void *ptr;
ssize_t ret = bufgetdata(track->codec_hid, track->codecsize, &ptr); ssize_t ret = bufgetdata(track->codec_hid, track->codecsize, &ptr);
if (ret == DATA_NOT_READY) { if (ret == ERR_DATA_NOT_READY) {
buf_request_buffer_handle(track->codec_hid); buf_request_buffer_handle(track->codec_hid);
} }
while (ret == DATA_NOT_READY) { while (ret == ERR_DATA_NOT_READY) {
sleep(1); sleep(1);
ret = bufgetdata(track->codec_hid, track->codecsize, &ptr); ret = bufgetdata(track->codec_hid, track->codecsize, &ptr);
} }
@ -1516,13 +1516,13 @@ static size_t codec_filebuf_callback(void *ptr, size_t size)
return 0; return 0;
if (copy_n == DATA_NOT_READY) if (copy_n == ERR_DATA_NOT_READY)
{ {
buf_request_buffer_handle(CUR_TI->audio_hid); buf_request_buffer_handle(CUR_TI->audio_hid);
} }
/* Let the disk buffer catch fill until enough data is available */ /* Let the disk buffer catch fill until enough data is available */
while (copy_n == DATA_NOT_READY) while (copy_n == ERR_DATA_NOT_READY)
{ {
sleep(1); sleep(1);
@ -1561,13 +1561,13 @@ static void* codec_request_buffer_callback(size_t *realsize, size_t reqsize)
return NULL; return NULL;
} }
if (ret == DATA_NOT_READY) if (ret == ERR_DATA_NOT_READY)
{ {
buf_request_buffer_handle(CUR_TI->audio_hid); buf_request_buffer_handle(CUR_TI->audio_hid);
} }
/* Let the disk buffer catch fill until enough data is available */ /* Let the disk buffer catch fill until enough data is available */
while (ret == DATA_NOT_READY) while (ret == ERR_DATA_NOT_READY)
{ {
sleep(1); sleep(1);