[Lexer] Print some more debug info on error.

issue: #1865
2023-07-05 20:29:09 +02:00 · 2023-07-05 20:29:09 +02:00 · 45c4a12daa
parent 64ceb85eed
commit 45c4a12daa
1 changed files with 1 additions and 0 deletions
--- a/lexer/theme-lexer.l
+++ b/lexer/theme-lexer.l
@ -123,6 +123,7 @@ static double rofi_theme_parse_convert_hex ( char high, char low)
                { \
                    if ( errno != EINTR ) \
                    { \
+                        fprintf(stderr, "Failed to read input from file: %s\n", strerror(errno)); \
                        YY_FATAL_ERROR( "input in flex scanner failed" ); \
                        break; \
                    } \