diff options
Diffstat (limited to 'src/color.c')
| -rw-r--r-- | src/color.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/color.c b/src/color.c index 98fe9f2..94fcac8 100644 --- a/src/color.c +++ b/src/color.c @@ -877,6 +877,10 @@ static int cbuff(CFILE *cfile, const char *format, ...); /** Dump a parsed expression tree, for debugging. */ static int print_expr(CFILE *cfile, const struct bfs_expr *expr, bool verbose) { + if (!expr) { + return dstrcat(&cfile->buffer, "(null)"); + } + if (dstrcat(&cfile->buffer, "(") != 0) { return -1; } |