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[dm-devel] [PATCH 02/18] Export outnl and indent functions for modules



Exporting functions out_inc_indent(), out_dec_indent() for creating
indented metadata lines. Macro outnl() is using out_newline()
instead of direct f->fn() that required the visibility of internal
struct formatter.

Signed-off-by: Zdenek Kabelac <zkabelac redhat com>
---
 lib/format_text/export.c      |   18 ++++++++++++++++++
 lib/format_text/text_export.h |    6 +++++-
 2 files changed, 23 insertions(+), 1 deletions(-)

diff --git a/lib/format_text/export.c b/lib/format_text/export.c
index 889992b..7f7d0de 100644
--- a/lib/format_text/export.c
+++ b/lib/format_text/export.c
@@ -235,6 +235,24 @@ static int _sectors_to_units(uint64_t sectors, char *buffer, size_t s)
 	return dm_snprintf(buffer, s, "# %g %s", d, _units[i]) > 0;
 }
 
+/* increment indention level */
+void out_inc_indent(struct formatter *f)
+{
+	_inc_indent(f);
+}
+
+/* decrement indention level */
+void out_dec_indent(struct formatter *f)
+{
+	_dec_indent(f);
+}
+
+/* insert new line */
+int out_newline(struct formatter *f)
+{
+	return f->nl(f);
+}
+
 /*
  * Appends a comment giving a size in more easily
  * readable form (eg, 4M instead of 8096).
diff --git a/lib/format_text/text_export.h b/lib/format_text/text_export.h
index 1cd42a9..cdba82f 100644
--- a/lib/format_text/text_export.h
+++ b/lib/format_text/text_export.h
@@ -17,7 +17,7 @@
 #define _LVM_TEXT_EXPORT_H
 
 #define outf(args...) do {if (!out_text(args)) return_0;} while (0)
-#define outnl(f) do {if (!f->nl(f)) return_0;} while (0)
+#define outnl(f) do {if (!out_newline(f)) return_0;} while (0)
 
 struct formatter;
 struct lv_segment;
@@ -37,4 +37,8 @@ int out_config_node(struct formatter *f, const struct config_node *cn);
 int out_areas(struct formatter *f, const struct lv_segment *seg,
 	      const char *type);
 
+void out_inc_indent(struct formatter *f);
+void out_dec_indent(struct formatter *f);
+int out_newline(struct formatter *f);
+
 #endif
-- 
1.6.5.1


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