[PATCH 4/7] diff.c: refactor fn_out_diff_words_write_helper()

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 diff.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/diff.c b/diff.c
index 1354368..8a9e42f 100644
--- a/diff.c
+++ b/diff.c
@@ -807,12 +807,13 @@ static void diff_words_append(struct diff_words_data *diff_words,
 	buffer->text.ptr[buffer->text.size] = '\0';
 }
 
-static int fn_out_diff_words_write_helper(FILE *fp,
+static int fn_out_diff_words_write_helper(struct diff_words_data *dw,
 					  struct diff_words_style_elem *st_el,
 					  const char *newline,
 					  size_t count, const char *buf,
 					  const char *line_prefix)
 {
+	FILE *fp = dw->opt->file;
 	int print = 0;
 
 	while (count) {
@@ -919,7 +920,7 @@ static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len)
 		fputs(line_prefix, diff_words->opt->file);
 	}
 	if (diff_words->current_plus != plus_begin) {
-		fn_out_diff_words_write_helper(diff_words->opt->file,
+		fn_out_diff_words_write_helper(diff_words,
 				&style->ctx, style->newline,
 				plus_begin - diff_words->current_plus,
 				diff_words->current_plus, line_prefix);
@@ -927,13 +928,13 @@ static void fn_out_diff_words_aux(void *priv, char *line, unsigned long len)
 			fputs(line_prefix, diff_words->opt->file);
 	}
 	if (minus_begin != minus_end) {
-		fn_out_diff_words_write_helper(diff_words->opt->file,
+		fn_out_diff_words_write_helper(diff_words,
 				&style->old, style->newline,
 				minus_end - minus_begin, minus_begin,
 				line_prefix);
 	}
 	if (plus_begin != plus_end) {
-		fn_out_diff_words_write_helper(diff_words->opt->file,
+		fn_out_diff_words_write_helper(diff_words,
 				&style->new, style->newline,
 				plus_end - plus_begin, plus_begin,
 				line_prefix);
@@ -1030,7 +1031,7 @@ static void diff_words_show(struct diff_words_data *diff_words)
 	/* special case: only removal */
 	if (!diff_words->plus.text.size) {
 		fputs(line_prefix, diff_words->opt->file);
-		fn_out_diff_words_write_helper(diff_words->opt->file,
+		fn_out_diff_words_write_helper(diff_words,
 			&style->old, style->newline,
 			diff_words->minus.text.size,
 			diff_words->minus.text.ptr, line_prefix);
@@ -1040,7 +1041,7 @@ static void diff_words_show(struct diff_words_data *diff_words)
 	/* special case: only addition */
 	if (!diff_words->minus.text.size) {
 		fputs(line_prefix, diff_words->opt->file);
-		fn_out_diff_words_write_helper(diff_words->opt->file,
+		fn_out_diff_words_write_helper(diff_words,
 			&style->new, style->newline,
 			diff_words->plus.text.size,
 			diff_words->plus.text.ptr, line_prefix);
@@ -1067,7 +1068,7 @@ static void diff_words_show(struct diff_words_data *diff_words)
 			diff_words->plus.text.size) {
 		if (color_words_output_graph_prefix(diff_words))
 			fputs(line_prefix, diff_words->opt->file);
-		fn_out_diff_words_write_helper(diff_words->opt->file,
+		fn_out_diff_words_write_helper(diff_words,
 			&style->ctx, style->newline,
 			diff_words->plus.text.ptr + diff_words->plus.text.size
 			- diff_words->current_plus, diff_words->current_plus,
-- 
2.3.0.rc1.137.g477eb31