Merge branch 'zj/decimal-width'

* zj/decimal-width:
  make lineno_width() from blame reusable for others

Conflicts:
	cache.h
	pager.c

3 files changed, 16 insertions, 15 deletions

diff --git a/builtin/blame.c b/builtin/blame.c
index 01956c8081..b35bd6249d 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -1829,18 +1829,6 @@ static int read_ancestry(const char *graft_file)
 }
 
 /*
- * How many columns do we need to show line numbers in decimal?
- */
-static int lineno_width(int lines)
-{
-	int i, width;
-
-	for (width = 1, i = 10; i <= lines; width++)
-		i *= 10;
-	return width;
-}
-
-/*
  * How many columns do we need to show line numbers, authors,
  * and filenames?
  */
@@ -1880,9 +1868,9 @@ static void find_alignment(struct scoreboard *sb, int *option)
 		if (largest_score < ent_score(sb, e))
 			largest_score = ent_score(sb, e);
 	}
-	max_orig_digits = lineno_width(longest_src_lines);
-	max_digits = lineno_width(longest_dst_lines);
-	max_score_digits = lineno_width(largest_score);
+	max_orig_digits = decimal_width(longest_src_lines);
+	max_digits = decimal_width(longest_dst_lines);
+	max_score_digits = decimal_width(largest_score);
 }
 
 /*
diff --git a/cache.h b/cache.h
index 3a8e1258e7..422c5cfcb3 100644
--- a/cache.h
+++ b/cache.h
@@ -1178,6 +1178,7 @@ extern const char *pager_program;
 extern int pager_in_use(void);
 extern int pager_use_color;
 extern int term_columns(void);
+extern int decimal_width(int);
 
 extern const char *editor_program;
 extern const char *askpass_program;
diff --git a/pager.c b/pager.c
index b7909678f4..05584dead6 100644
--- a/pager.c
+++ b/pager.c
@@ -147,3 +147,15 @@ int term_columns(void)
 
 	return term_columns_at_startup;
 }
+
+/*
+ * How many columns do we need to show this number in decimal?
+ */
+int decimal_width(int number)
+{
+	int i, width;
+
+	for (width = 1, i = 10; i <= number; width++)
+		i *= 10;
+	return width;
+}