1 files changed, 12 insertions, 4 deletions

diff --git a/video_player/src/main.cpp b/video_player/src/main.cpp
index 4ec9278..e166e85 100644
--- a/video_player/src/main.cpp
+++ b/video_player/src/main.cpp
@@ -449,25 +449,33 @@ static int64_t size_fn(void *cookie) {
 
     if(res == 0) {
         size_t header_start = str_find_case_insensitive(buffer, 0, "200 OK", 6);
-        if(header_start == std::string::npos)
+        if(header_start == std::string::npos) {
+            res = MPV_ERROR_UNSUPPORTED;
             goto end;
+        }
 
         header_start += 6;
         size_t content_length_index = str_find_case_insensitive(buffer, header_start, "content-length:", 15);
-        if(content_length_index == std::string::npos)
+        if(content_length_index == std::string::npos) {
+            res = MPV_ERROR_UNSUPPORTED;
             goto end;
+        }
 
         content_length_index += 15;
         size_t content_length_end = buffer.find('\r', content_length_index);
-        if(content_length_end == std::string::npos)
+        if(content_length_end == std::string::npos) {
+            res = MPV_ERROR_UNSUPPORTED;
             goto end;
+        }
 
         buffer[content_length_end] = '\0';
         errno = 0;
         char *endptr;
         int64_t content_length = strtoll(&buffer[content_length_index], &endptr, 10);
-        if(endptr == &buffer[content_length_index] || errno != 0)
+        if(endptr == &buffer[content_length_index] || errno != 0) {
+            res = MPV_ERROR_UNSUPPORTED;
             goto end;
+        }
 
         res = content_length;
     }