libsmartcols: handle nameless tables in export format

fputs(NULL) is not allowed.

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/libsmartcols/src/print.c b/libsmartcols/src/print.c
index 906df7e2a9f4d889f73f629b3f56e3367ea570fb..6a7e6da04518adc00a8397273919d51f44b1a2e4 100644 (file)
--- a/libsmartcols/src/print.c
+++ b/libsmartcols/src/print.c
@@ -627,7 +627,7 @@ static int print_data(struct libscols_table *tb,
                return 0;
 
        case SCOLS_FMT_EXPORT:
-               fputs(name, tb->out);
+               fputs(name ?: "", tb->out);
                fputc('=', tb->out);
                fputs_quoted(data, tb->out);
                if (!is_last)