X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fpayload-view.c;h=2e6581bb49bb6452a2d247dab4a1b26fb7b3c314;hb=3afa94aeca5a0daae40fd7b6cc96b7e4c150c7d8;hp=4a4edea146385ae0e2198ebfbd5a41a32d7c1c04;hpb=18eec1c924daf8d63a5f2cc06b1c1fdd9a838c6e;p=lttng-tools.git

diff --git a/src/common/payload-view.c b/src/common/payload-view.c
index 4a4edea14..2e6581bb4 100644
--- a/src/common/payload-view.c
+++ b/src/common/payload-view.c
@@ -11,55 +11,55 @@
 #include "payload.h"
 #include <stddef.h>
 
-LTTNG_HIDDEN
+bool lttng_payload_view_is_valid(const struct lttng_payload_view *view)
+{
+	return view && lttng_buffer_view_is_valid(&view->buffer);
+}
+
 struct lttng_payload_view lttng_payload_view_from_payload(
 		const struct lttng_payload *payload, size_t offset,
 		ptrdiff_t len)
 {
-	return (struct lttng_payload_view) {
+	return payload ? (struct lttng_payload_view) {
 		.buffer = lttng_buffer_view_from_dynamic_buffer(
 			&payload->buffer, offset, len),
 		._fd_handles = payload->_fd_handles,
-	};
+		} : (struct lttng_payload_view) {};
 }
 
-LTTNG_HIDDEN
 struct lttng_payload_view lttng_payload_view_from_view(
 		struct lttng_payload_view *view, size_t offset,
 		ptrdiff_t len)
 {
-	return (struct lttng_payload_view) {
+	return view ? (struct lttng_payload_view) {
 		.buffer = lttng_buffer_view_from_view(
 				&view->buffer, offset, len),
 		._fd_handles = view->_fd_handles,
 		._iterator.p_fd_handles_position = view->_iterator.p_fd_handles_position ?:
 				&view->_iterator.fd_handles_position,
-	};
+		} : (struct lttng_payload_view) {};
 }
 
-LTTNG_HIDDEN
 struct lttng_payload_view lttng_payload_view_from_dynamic_buffer(
 		const struct lttng_dynamic_buffer *buffer, size_t offset,
 		ptrdiff_t len)
 {
-	return (struct lttng_payload_view) {
+	return buffer ? (struct lttng_payload_view) {
 		.buffer = lttng_buffer_view_from_dynamic_buffer(
 			buffer, offset, len)
-	};
+		} : (struct lttng_payload_view) {};
 }
 
-LTTNG_HIDDEN
 struct lttng_payload_view lttng_payload_view_from_buffer_view(
 		const struct lttng_buffer_view *view, size_t offset,
 		ptrdiff_t len)
 {
-	return (struct lttng_payload_view) {
+	return view ? (struct lttng_payload_view) {
 		.buffer = lttng_buffer_view_from_view(
 			view, offset, len)
-	};
+		} : (struct lttng_payload_view) {};
 }
 
-LTTNG_HIDDEN
 struct lttng_payload_view lttng_payload_view_init_from_buffer(
 	const char *src, size_t offset, ptrdiff_t len)
 {
@@ -69,7 +69,6 @@ struct lttng_payload_view lttng_payload_view_init_from_buffer(
 	};
 }
 
-LTTNG_HIDDEN
 int lttng_payload_view_get_fd_handle_count(
 		const struct lttng_payload_view *payload_view)
 {
@@ -94,7 +93,6 @@ end:
 	return ret;
 }
 
-LTTNG_HIDDEN
 struct fd_handle *lttng_payload_view_pop_fd_handle(
 		struct lttng_payload_view *view)
 {