AFSI_SIZE = 32
};
-/**
+/*
* Convert a struct afs_info to an osl object.
*
* \param afsi Pointer to the audio file info to be converted.
*
* \sa load_afsi().
*/
-void save_afsi(struct afs_info *afsi, struct osl_object *obj)
+static void save_afsi(struct afs_info *afsi, struct osl_object *obj)
{
char *buf = obj->data;
memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 2);
}
-/**
- * Get the audio file selector info struct stored in an osl object.
+/*
+ * Get the audio file selector info struct stored in an osl object.
*
* \param afsi Points to the audio_file info structure to be filled in.
* \param obj The osl object holding the data.
*
- * \return Positive on success, negative on errors. Possible errors: \p E_BAD_AFS.
+ * \return Standard.
*
* \sa save_afsi().
*/
-int load_afsi(struct afs_info *afsi, struct osl_object *obj)
+static int load_afsi(struct afs_info *afsi, struct osl_object *obj)
{
char *buf = obj->data;
if (obj->size < AFSI_SIZE)
return osl(osl_get_row(audio_file_table, AFTCOL_HASH, &obj, row));
}
-/**
- * Get the osl object holding the audio file selector info of a row.
+/*
+ * Get the audio file selector info object of a row.
*
* \param row Pointer to a row in the audio file table.
* \param obj Result pointer.
*
* \return Standard.
*/
-int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj)
+static int get_afsi_object_of_row(const struct osl_row *row,
+ struct osl_object *obj)
{
return osl(osl_get_object(audio_file_table, row, AFTCOL_AFSI, obj));
}
return load_afsi(afsi, &obj);
}
-/**
+/*
* Get the audio file selector info, given the path of an audio table.
*
* \param path The full path of the audio file.
* \param afsi Result pointer.
*
- * \return Positive on success, negative on errors.
+ * \return Standard.
*/
-int get_afsi_of_path(const char *path, struct afs_info *afsi)
+static int get_afsi_of_path(const char *path, struct afs_info *afsi)
{
struct osl_object obj;
int ret = get_afsi_object_of_path(path, &obj);
return ret;
}
+struct change_atts_data {
+ uint64_t add_mask, del_mask;
+ struct para_buffer pb;
+};
+
+static int change_atts(__a_unused struct osl_table *table,
+ struct osl_row *row, __a_unused const char *name, void *data)
+{
+ int ret;
+ struct osl_object obj;
+ struct afs_info old_afsi, new_afsi;
+ struct afsi_change_event_data aced = {
+ .aft_row = row,
+ .old_afsi = &old_afsi
+ };
+ struct change_atts_data *cad = data;
+
+ ret = get_afsi_object_of_row(row, &obj);
+ if (ret < 0)
+ return ret;
+ ret = load_afsi(&old_afsi, &obj);
+ if (ret < 0)
+ return ret;
+ new_afsi = old_afsi;
+ new_afsi.attributes |= cad->add_mask;
+ new_afsi.attributes &= ~cad->del_mask;
+ save_afsi(&new_afsi, &obj); /* in-place update */
+ afs_event(AFSI_CHANGE, &cad->pb, &aced);
+ return 1;
+}
+
+static void com_setatt_callback(int fd, const struct osl_object *query)
+{
+ char *p;
+ int ret;
+ size_t len;
+ struct change_atts_data cad = {
+ .pb = {
+ .max_size = shm_get_shmmax(),
+ .max_size_handler = afs_max_size_handler,
+ .private_data = &(struct afs_max_size_handler_data) {
+ .fd = fd,
+ .band = SBD_OUTPUT
+ }
+ }
+ };
+ struct pattern_match_data pmd = {
+ .table = audio_file_table,
+ .loop_col_num = AFTCOL_HASH,
+ .match_col_num = AFTCOL_PATH,
+ .pm_flags = PM_SKIP_EMPTY_NAME,
+ .data = &cad,
+ .action = change_atts
+ };
+
+ for (p = query->data; p < (char *)query->data + query->size; p += len + 1) {
+ char c;
+ unsigned char bitnum;
+
+ len = strlen(p);
+ ret = -E_ATTR_SYNTAX;
+ if (len == 0)
+ goto out;
+ c = p[len - 1];
+ if (c != '+' && c != '-')
+ break;
+ p[len - 1] = '\0';
+ ret = get_attribute_bitnum_by_name(p, &bitnum);
+ if (ret < 0)
+ goto out;
+ if (c == '+')
+ cad.add_mask |= (1UL << bitnum);
+ else
+ cad.del_mask |= (1UL << bitnum);
+ }
+ ret = -E_ATTR_SYNTAX;
+ if (!cad.add_mask && !cad.del_mask)
+ goto out;
+ pmd.patterns.data = p;
+ assert(p < (char *)query->data + query->size);
+ pmd.patterns.size = (char *)query->data + query->size - p;
+ ret = for_each_matching_row(&pmd);
+ if (ret < 0)
+ goto out;
+ if (pmd.num_matches == 0)
+ para_printf(&cad.pb, "no matches\n");
+out:
+ if (ret < 0)
+ para_printf(&cad.pb, "%s\n", para_strerror(-ret));
+ if (cad.pb.offset)
+ pass_buffer_as_shm(fd, SBD_OUTPUT, cad.pb.buf, cad.pb.offset);
+ free(cad.pb.buf);
+}
+
+int com_setatt(struct command_context *cc)
+{
+ if (cc->argc < 3)
+ return -E_ATTR_SYNTAX;
+ return send_standard_callback_request(cc->argc - 1, cc->argv + 1,
+ com_setatt_callback, afs_cb_result_handler, cc);
+}
+
static void afs_stat_callback(int fd, const struct osl_object *query)
{
int *parser_friendly = query->data;