libsmartcols: add scols_column_add_width()

Signed-off-by: Karel Zak <kzak@redhat.com>

4 files changed, 23 insertions, 0 deletions

diff --git a/libsmartcols/docs/libsmartcols-sections.txt b/libsmartcols/docs/libsmartcols-sections.txt
index 0c6d23d469..ee696642a6 100644
--- a/libsmartcols/docs/libsmartcols-sections.txt
+++ b/libsmartcols/docs/libsmartcols-sections.txt
@@ -24,6 +24,7 @@ scols_column_get_header
 scols_column_get_safechars
 scols_column_get_table
 scols_column_get_whint
+scols_column_get_width
 scols_column_is_customwrap
 scols_column_is_hidden
 scols_column_is_noextremes
diff --git a/libsmartcols/src/column.c b/libsmartcols/src/column.c
index 6f74f76fbf..1d32879603 100644
--- a/libsmartcols/src/column.c
+++ b/libsmartcols/src/column.c
@@ -397,6 +397,25 @@ const char *scols_column_get_safechars(const struct libscols_column *cl)
 }
 
 /**
+ * scols_column_get_width:
+ * @cl: a pointer to a struct libscols_column instance
+ *
+ * Important note: the column width is unknown until library starts printing
+ * (width is calculated before printing). The function is usable for example in
+ * nextchunk() callback specified by scols_column_set_wrapfunc().
+ *
+ * See also scols_column_get_whint(), it returns wanted size (!= final size).
+ *
+ * Returns: column width
+ *
+ * Since: 2.29
+ */
+size_t scols_column_get_width(const struct libscols_column *cl)
+{
+	return cl->width;
+}
+
+/**
  * scols_column_is_hidden:
  * @cl: a pointer to a struct libscols_column instance
  *
diff --git a/libsmartcols/src/libsmartcols.h.in b/libsmartcols/src/libsmartcols.h.in
index d7f1da6b1c..4a00fed1bd 100644
--- a/libsmartcols/src/libsmartcols.h.in
+++ b/libsmartcols/src/libsmartcols.h.in
@@ -147,6 +147,8 @@ extern int scols_column_is_noextremes(const struct libscols_column *cl);
 extern int scols_column_is_wrap(const struct libscols_column *cl);
 extern int scols_column_is_customwrap(const struct libscols_column *cl);
 
+extern size_t scols_column_get_width(const struct libscols_column *cl);
+
 extern int scols_column_set_safechars(struct libscols_column *cl, const char *safe);
 extern const char *scols_column_get_safechars(const struct libscols_column *cl);
 
diff --git a/libsmartcols/src/libsmartcols.sym b/libsmartcols/src/libsmartcols.sym
index 930a4f47d0..2bf2b4ee4d 100644
--- a/libsmartcols/src/libsmartcols.sym
+++ b/libsmartcols/src/libsmartcols.sym
@@ -140,6 +140,7 @@ SMARTCOLS_2.29 {
 global:
 	scols_column_get_safechars;
 	scols_column_get_table;
+	scols_column_get_width;
 	scols_column_is_customwrap;
 	scols_column_set_safechars;
 	scols_column_set_wrapfunc;