From: Ondrej Oprala <ooprala@redhat.com>
Date: Thu, 27 Mar 2014 13:04:58 +0000 (+0100)
Subject: libsmartcols: add scols_table_is_empty()
X-Git-Tag: v2.25-rc1~365
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c0070f8187dd09671317b1462d99311ac582bc90;p=thirdparty%2Futil-linux.git

libsmartcols: add scols_table_is_empty()

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
---

diff --git a/libsmartcols/docs/libsmartcols-sections.txt b/libsmartcols/docs/libsmartcols-sections.txt
index c60d16b641..85a9feb149 100644
--- a/libsmartcols/docs/libsmartcols-sections.txt
+++ b/libsmartcols/docs/libsmartcols-sections.txt
@@ -92,6 +92,7 @@ scols_table_get_ncols
 scols_table_get_nlines
 scols_table_get_stream
 scols_table_is_ascii
+scols_table_is_empty
 scols_table_is_export
 scols_table_is_max
 scols_table_is_no_headings
diff --git a/libsmartcols/src/libsmartcols.h.in b/libsmartcols/src/libsmartcols.h.in
index e40aad4cde..c8b0966a31 100644
--- a/libsmartcols/src/libsmartcols.h.in
+++ b/libsmartcols/src/libsmartcols.h.in
@@ -149,6 +149,7 @@ extern int scols_table_colors_wanted(struct libscols_table *tb);
 extern int scols_table_is_raw(struct libscols_table *tb);
 extern int scols_table_is_ascii(struct libscols_table *tb);
 extern int scols_table_is_no_headings(struct libscols_table *tb);
+extern int scols_table_is_empty(struct libscols_table *tb);
 extern int scols_table_is_export(struct libscols_table *tb);
 extern int scols_table_is_max(struct libscols_table *tb);
 extern int scols_table_is_tree(struct libscols_table *tb);
diff --git a/libsmartcols/src/libsmartcols.sym b/libsmartcols/src/libsmartcols.sym
index 90ecd771c4..19c260198e 100644
--- a/libsmartcols/src/libsmartcols.sym
+++ b/libsmartcols/src/libsmartcols.sym
@@ -68,6 +68,7 @@ global:
 	scols_table_get_nlines;
 	scols_table_get_stream;
 	scols_table_is_ascii;
+	scols_table_is_empty;
 	scols_table_is_export;
 	scols_table_is_max;
 	scols_table_is_no_headings;
diff --git a/libsmartcols/src/table.c b/libsmartcols/src/table.c
index d26eee8e61..d05c1435f7 100644
--- a/libsmartcols/src/table.c
+++ b/libsmartcols/src/table.c
@@ -793,6 +793,17 @@ int scols_table_colors_wanted(struct libscols_table *tb)
 		return -EINVAL;
 	return tb->colors_wanted;
 }
+
+/**
+ * scols_table_is_empty:
+ * @tb: table
+ *
+ * Returns: 1 if empty, 0 if not (or in case of an error).
+ */
+int scols_table_is_empty(struct libscols_table *tb)
+{
+	return !tb || !tb->nlines;
+}
 /**
  * scols_table_is_raw:
  * @tb: table