X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=aft.c;h=f6d0c4b35a22160317d6d3bac20556208ac2669d;hp=f4080233855009be5423b3bc9325b861d5f20b0c;hb=e65bdaa6b207d5cd409acaa5d0d33fe85dd7a28d;hpb=d49cd9a91015766cb19d7d43bb04048265925fe5

diff --git a/aft.c b/aft.c
index f4080233..f6d0c4b3 100644
--- a/aft.c
+++ b/aft.c
@@ -1037,7 +1037,7 @@ static int make_status_items(struct audio_file_data *afd,
 		.flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
 		.mode = LS_MODE_VERBOSE,
 	};
-	struct para_buffer pb = {.max_size = SHMMAX - 1};
+	struct para_buffer pb = {.max_size = shm_get_shmmax() - 1};
 	time_t current_time;
 	int ret;
 
@@ -1048,7 +1048,7 @@ static int make_status_items(struct audio_file_data *afd,
 	free(status_items);
 	status_items = pb.buf;
 	memset(&pb, 0, sizeof(pb));
-	pb.max_size = SHMMAX - 1;
+	pb.max_size = shm_get_shmmax() - 1;
 	pb.flags = PBF_SIZE_PREFIX;
 	ret = print_list_item(&d, &opts, &pb, current_time);
 	if (ret < 0) {
@@ -1343,7 +1343,7 @@ static void com_ls_callback(int fd, const struct osl_object *query)
 {
 	struct ls_options *opts = query->data;
 	char *p, *pattern_start = (char *)query->data + sizeof(*opts);
-	struct para_buffer b = {.max_size = SHMMAX,
+	struct para_buffer b = {.max_size = shm_get_shmmax(),
 		.flags = (opts->mode == LS_MODE_PARSER)? PBF_SIZE_PREFIX : 0,
 		.max_size_handler = pass_buffer_as_shm, .private_data = &fd};
 	int i = 0, ret;
@@ -1364,8 +1364,11 @@ static void com_ls_callback(int fd, const struct osl_object *query)
 			prepare_ls_row));
 	if (ret < 0)
 		goto out;
-	if (!opts->num_matching_paths)
+	if (opts->num_matching_paths == 0) {
+		if (opts->num_patterns > 0)
+			para_printf(&b, "no matches\n");
 		goto out;
+	}
 	ret = sort_matching_paths(opts);
 	if (ret < 0)
 		goto out;
@@ -1665,7 +1668,7 @@ static void com_add_callback(int fd, const struct osl_object *query)
 	char afsi_buf[AFSI_SIZE];
 	uint32_t flags = read_u32(buf + CAB_FLAGS_OFFSET);
 	struct afs_info default_afsi = {.last_played = 0};
-	struct para_buffer msg = {.max_size = SHMMAX,
+	struct para_buffer msg = {.max_size = shm_get_shmmax(),
 		.max_size_handler = pass_buffer_as_shm, .private_data = &fd};
 	uint16_t afhi_offset, chunks_offset;
 
@@ -2020,8 +2023,6 @@ struct touch_action_data {
 	struct com_touch_options *cto;
 	/** Message buffer. */
 	struct para_buffer pb;
-	/** How many audio files matched the given pattern. */
-	unsigned num_matches;
 };
 
 static int touch_audio_file(__a_unused struct osl_table *table,
@@ -2068,7 +2069,6 @@ static int touch_audio_file(__a_unused struct osl_table *table,
 		if (tad->cto->amp >= 0)
 			new_afsi.amp = tad->cto->amp;
 	}
-	tad->num_matches++;
 	save_afsi(&new_afsi, &obj); /* in-place update */
 	aced.aft_row = row;
 	aced.old_afsi = &old_afsi;
@@ -2080,7 +2080,7 @@ static void com_touch_callback(int fd, const struct osl_object *query)
 {
 	struct touch_action_data tad = {.cto = query->data,
 		.pb = {
-			.max_size = SHMMAX,
+			.max_size = shm_get_shmmax(),
 			.private_data = &fd,
 			.max_size_handler = pass_buffer_as_shm
 		}
@@ -2100,9 +2100,8 @@ static void com_touch_callback(int fd, const struct osl_object *query)
 	ret = for_each_matching_row(&pmd);
 	if (ret < 0)
 		ret2 = para_printf(&tad.pb, "%s\n", para_strerror(-ret));
-	else
-		if (!tad.num_matches)
-			ret2 = para_printf(&tad.pb, "no matches\n");
+	else if (pmd.num_matches == 0)
+		ret2 = para_printf(&tad.pb, "no matches\n");
 	if (ret2 >= 0 && tad.pb.offset)
 		pass_buffer_as_shm(tad.pb.buf, tad.pb.offset, &fd);
 	free(tad.pb.buf);
@@ -2198,8 +2197,6 @@ struct com_rm_action_data {
 	uint32_t flags;
 	/** Message buffer. */
 	struct para_buffer pb;
-	/** Number of audio files removed. */
-	unsigned num_removed;
 };
 
 static int remove_audio_file(__a_unused struct osl_table *table,
@@ -2217,8 +2214,6 @@ static int remove_audio_file(__a_unused struct osl_table *table,
 	ret = osl(osl_del_row(audio_file_table, row));
 	if (ret < 0)
 		para_printf(&crd->pb, "%s: %s\n", name, para_strerror(-ret));
-	else
-		crd->num_removed++;
 	return ret;
 }
 
@@ -2226,7 +2221,7 @@ static void com_rm_callback(int fd, const struct osl_object *query)
 {
 	struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data,
 		.pb = {
-			.max_size = SHMMAX,
+			.max_size = shm_get_shmmax(),
 			.private_data = &fd,
 			.max_size_handler = pass_buffer_as_shm
 		}
@@ -2248,11 +2243,11 @@ static void com_rm_callback(int fd, const struct osl_object *query)
 		para_printf(&crd.pb, "%s\n", para_strerror(-ret));
 		return;
 	}
-	if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
+	if ((pmd.num_matches == 0) && !(crd.flags & RM_FLAG_FORCE))
 		ret = para_printf(&crd.pb, "no matches -- nothing removed\n");
-	else {
-		if (crd.flags & RM_FLAG_VERBOSE)
-			ret = para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
+	else if (crd.flags & RM_FLAG_VERBOSE) {
+		ret = para_printf(&crd.pb, "removed %u files\n",
+			pmd.num_matches);
 	}
 	if (ret >= 0 && crd.pb.offset)
 		pass_buffer_as_shm(crd.pb.buf, crd.pb.offset, &fd);
@@ -2321,8 +2316,6 @@ enum cpsi_flags {
 struct cpsi_action_data {
 	/** command line flags (see \ref cpsi_flags). */
 	unsigned flags;
-	/** Number of audio files changed. */
-	unsigned num_copied;
 	/** Message buffer. */
 	struct para_buffer pb;
 	/** Values are copied from here. */
@@ -2354,7 +2347,6 @@ static int copy_selector_info(__a_unused struct osl_table *table,
 	if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
 		target_afsi.attributes = cad->source_afsi.attributes;
 	save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
-	cad->num_copied++;
 	if (cad->flags & CPSI_FLAG_VERBOSE) {
 		ret = para_printf(&cad->pb, "copied afsi to %s\n", name);
 		if (ret < 0)
@@ -2371,7 +2363,7 @@ static void com_cpsi_callback(int fd, const struct osl_object *query)
 	struct cpsi_action_data cad = {
 		.flags = *(unsigned *)query->data,
 		.pb = {
-			.max_size = SHMMAX,
+			.max_size = shm_get_shmmax(),
 			.private_data = &fd,
 			.max_size_handler = pass_buffer_as_shm
 		}
@@ -2397,9 +2389,9 @@ out:
 	if (ret < 0)
 		para_printf(&cad.pb, "%s\n", para_strerror(-ret));
 	else if (cad.flags & CPSI_FLAG_VERBOSE) {
-		if (cad.num_copied)
+		if (pmd.num_matches > 0)
 			para_printf(&cad.pb, "copied requested afsi from %s "
-				"to %u files\n", source_path, cad.num_copied);
+				"to %u files\n", source_path, pmd.num_matches);
 		else
 			para_printf(&cad.pb, "nothing copied\n");
 	}
@@ -2481,6 +2473,8 @@ static void afs_stat_callback(int fd, const struct osl_object *query)
  * up-to-date afs status items directly. Therefore the usual callback mechanism
  * is used to pass the status items from the afs process to the command handler
  * via a shared memory area and a pipe.
+ *
+ * \return The return value of the underyling call to \ref send_callback_request().
  */
 int send_afs_status(struct stream_cipher_context *scc, int parser_friendly)
 {
@@ -2543,7 +2537,7 @@ static int check_audio_file(struct osl_row *row, void *data)
 void aft_check_callback(int fd, __a_unused const struct osl_object *query)
 {
 	struct para_buffer pb = {
-		.max_size = SHMMAX,
+		.max_size = shm_get_shmmax(),
 		.private_data = &fd,
 		.max_size_handler = pass_buffer_as_shm
 	};