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| author | Karel Zak | 2016-09-07 12:25:06 +0200 |
|---|---|---|
| committer | Karel Zak | 2016-09-07 12:25:06 +0200 |
| commit | 37948503c995d2986e95819f6f5b2c3037dbc23d (patch) | |
| tree | 18a516a5ff53c43d1cff6fed7bae5a97b823e2d5 /libsmartcols/src/table.c | |
| parent | libsmartcols: add fallback for symbols (diff) | |
| download | kernel-qcow2-util-linux-37948503c995d2986e95819f6f5b2c3037dbc23d.tar.gz kernel-qcow2-util-linux-37948503c995d2986e95819f6f5b2c3037dbc23d.tar.xz kernel-qcow2-util-linux-37948503c995d2986e95819f6f5b2c3037dbc23d.zip | |
libsmartcols: support LIBSMARTCOLS_DEBUG_PADDING=on
This env.variable forces libsmartcols to use visible padding chars.
The standard debug has to be enabled (to minimize overhead for
non-debug execution).
For example:
$ LIBSMARTCOLS_DEBUG=all LIBSMARTCOLS_DEBUG_PADDING=on findmnt 2> ~/log
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libsmartcols/src/table.c')
| -rw-r--r-- | libsmartcols/src/table.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libsmartcols/src/table.c b/libsmartcols/src/table.c index dc3a3016c..10320f0be 100644 --- a/libsmartcols/src/table.c +++ b/libsmartcols/src/table.c @@ -38,6 +38,20 @@ list_entry_is_last(&(_cl)->cl_columns, &(_tb)->tb_columns) +static void check_padding_debug(struct libscols_table *tb) +{ + const char *str; + + assert(libsmartcols_debug_mask); /* debug has to be enabled! */ + + str = getenv("LIBSMARTCOLS_DEBUG_PADDING"); + if (!str || (strcmp(str, "on") != 0 && strcmp(str, "1") != 0)) + return; + + DBG(INIT, ul_debugobj(tb, "padding debug: ENABLE")); + tb->padding_debug = 1; +} + /** * scols_new_table: * @@ -58,6 +72,8 @@ struct libscols_table *scols_new_table(void) INIT_LIST_HEAD(&tb->tb_columns); DBG(TAB, ul_debugobj(tb, "alloc")); + ON_DBG(INIT, check_padding_debug(tb)); + return tb; } |