[PATCH 1/3] diffstat width: #define defaults in diff.h

[mmr15@case.edu]

From: Matthew Ruffalo <matthew.ruffalo@case.edu>

Signed-off-by: Matthew Ruffalo <matthew.ruffalo@case.edu>
---
 diff.c |    4 ++--
 diff.h |    3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/diff.c b/diff.c
index db5e844..75938e4 100644
--- a/diff.c
+++ b/diff.c
@@ -1247,8 +1247,8 @@ static void show_stats(struct diffstat_t *data, struct diff_options *options)
 		line_prefix = msg->buf;
 	}
 
-	width = options->stat_width ? options->stat_width : 80;
-	name_width = options->stat_name_width ? options->stat_name_width : 50;
+	width = options->stat_width ? options->stat_width : DIFF_STAT_DEFAULT_WIDTH;
+	name_width = options->stat_name_width ? options->stat_name_width : DIFF_STAT_DEFAULT_NAME_WIDTH;
 
 	/* Sanity: give at least 5 columns to the graph,
 	 * but leave at least 10 columns for the name.
diff --git a/diff.h b/diff.h
index 0083d92..7b509c5 100644
--- a/diff.h
+++ b/diff.h
@@ -86,6 +86,9 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data)
 #define DIFF_XDL_SET(opts, flag)    ((opts)->xdl_opts |= XDF_##flag)
 #define DIFF_XDL_CLR(opts, flag)    ((opts)->xdl_opts &= ~XDF_##flag)
 
+#define DIFF_STAT_DEFAULT_WIDTH       80
+#define DIFF_STAT_DEFAULT_NAME_WIDTH  50
+
 enum diff_words_type {
 	DIFF_WORDS_NONE = 0,
 	DIFF_WORDS_PORCELAIN,
-- 
1.7.1