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| author | Karel Zak | 2017-05-05 13:56:40 +0200 |
|---|---|---|
| committer | Karel Zak | 2017-05-05 13:56:40 +0200 |
| commit | da06d421971d288078352bcff05e0bcc662b3a79 (patch) | |
| tree | 8f544238011f0b8d7fb33a5ee8e512223dc1443f /text-utils/column.c | |
| parent | column: require column names for JSON (diff) | |
| download | kernel-qcow2-util-linux-da06d421971d288078352bcff05e0bcc662b3a79.tar.gz kernel-qcow2-util-linux-da06d421971d288078352bcff05e0bcc662b3a79.tar.xz kernel-qcow2-util-linux-da06d421971d288078352bcff05e0bcc662b3a79.zip | |
column: be robust on empty table
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'text-utils/column.c')
| -rw-r--r-- | text-utils/column.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/text-utils/column.c b/text-utils/column.c index cdfb23390..421823d4a 100644 --- a/text-utils/column.c +++ b/text-utils/column.c @@ -749,8 +749,10 @@ int main(int argc, char **argv) switch (ctl.mode) { case COLUMN_MODE_TABLE: - modify_table(&ctl); - eval = scols_print_table(ctl.tab); + if (ctl.tab && scols_table_get_nlines(ctl.tab)) { + modify_table(&ctl); + eval = scols_print_table(ctl.tab); + } break; case COLUMN_MODE_FILLCOLS: columnate_fillcols(&ctl); |