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Datastore: More error checking.

This commit is contained in:
Uwe Hermann 2010-05-09 13:25:03 +02:00
parent 6b5e3ceefc
commit 33247d6acf
2 changed files with 20 additions and 5 deletions
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21
datastore.c
View File

@ -25,11 +25,19 @@
static gpointer new_chunk(struct datastore **ds);
/* TODO: Return int as error status, and the struct as param. */
struct datastore *datastore_new(int unitsize)
{
struct datastore *ds;
ds = g_malloc(sizeof(struct datastore));
if (unitsize <= 0)
// return SIGROK_ERR;
return NULL; /* FIXME */
if (!(ds = g_malloc(sizeof(struct datastore))))
// return SIGROK_ERR_MALLOC;
return NULL; /* FIXME */
ds->ds_unitsize = unitsize;
ds->num_units = 0;
ds->chunklist = NULL;
@ -37,14 +45,19 @@ struct datastore *datastore_new(int unitsize)
return ds;
}
void datastore_destroy(struct datastore *ds)
int datastore_destroy(struct datastore *ds)
{
GSList *chunk;
if (!ds)
return SIGROK_ERR;
for (chunk = ds->chunklist; chunk; chunk = chunk->next)
g_free(chunk->data);
g_slist_free(ds->chunklist);
g_free(ds);
return SIGROK_OK;
}
void datastore_put(struct datastore *ds, void *data, unsigned int length,
@ -93,7 +106,9 @@ static gpointer new_chunk(struct datastore **ds)
{
gpointer chunk;
chunk = g_malloc(DATASTORE_CHUNKSIZE * (*ds)->ds_unitsize);
if (!(chunk = malloc(DATASTORE_CHUNKSIZE * (*ds)->ds_unitsize)))
return NULL;
(*ds)->chunklist = g_slist_append((*ds)->chunklist, chunk);
return chunk;

4
sigrok.h
View File

@ -178,12 +178,12 @@ void sigrok_cleanup(void);
struct datastore {
/* Size in bytes of the number of units stored in this datastore */
int ds_unitsize;
unsigned int num_units;
unsigned int num_units; /* TODO: uint64_t */
GSList *chunklist;
};
struct datastore *datastore_new(int unitsize);
void datastore_destroy(struct datastore *ds);
int datastore_destroy(struct datastore *ds);
void datastore_put(struct datastore *ds, void *data, unsigned int length,
int in_unitsize, int *probelist);