swaybar: add debugging statements for handling i3bar json

1 files changed, 16 insertions, 0 deletions

diff --git a/swaybar/i3bar.c b/swaybar/i3bar.c
index 78cb5bd4..88404703 100644
--- a/swaybar/i3bar.c
+++ b/swaybar/i3bar.c
@@ -176,6 +176,21 @@ bool i3bar_handle_readable(struct status_line *status) {
                                         json_object_put(test_object);
                                 }
 
+                                // in order to print the json for debugging purposes
+                                // the last character is temporarily replaced with a null character
+                                // (the last character is used in case the buffer is full)
+                                char *last_char_pos =
+                                        &status->buffer[buffer_pos + status->tokener->char_offset - 1];
+                                char last_char = *last_char_pos;
+                                while (isspace(last_char)) {
+                                        last_char = *--last_char_pos;
+                                }
+                                *last_char_pos = '\0';
+                                size_t offset = strspn(&status->buffer[buffer_pos], " \f\n\r\t\v");
+                                wlr_log(WLR_DEBUG, "Received i3bar json: '%s%c'",
+                                                &status->buffer[buffer_pos + offset], last_char);
+                                *last_char_pos = last_char;
+
                                 buffer_pos += status->tokener->char_offset;
                                 status->expecting_comma = true;
 
@@ -221,6 +236,7 @@ bool i3bar_handle_readable(struct status_line *status) {
         }
 
         if (last_object) {
+                wlr_log(WLR_DEBUG, "Rendering last received json");
                 i3bar_parse_json(status, last_object);
                 json_object_put(last_object);
                 return true;