X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=diff.c;h=b4a830f88fa7a7367fab505f707237ef11e67114;hb=9f77fe022425360dced8b1f19275852e89d2351c;hp=502b301670a13ae146974d8ba4a956c2f6e3dbf3;hpb=921296d3dabcb0bfe0926a1590cc9f7be42ae3e9;p=git.git

diff --git a/diff.c b/diff.c
index 502b30167..b4a830f88 100644
--- a/diff.c
+++ b/diff.c
@@ -43,10 +43,6 @@ static char diff_colors[][COLOR_MAXLEN] = {
 	GIT_COLOR_NORMAL,	/* FUNCINFO */
 };
 
-static void diff_filespec_load_driver(struct diff_filespec *one);
-static size_t fill_textconv(struct userdiff_driver *driver,
-			    struct diff_filespec *df, char **outbuf);
-
 static int parse_diff_color_slot(const char *var, int ofs)
 {
 	if (!strcasecmp(var+ofs, "plain"))
@@ -1629,7 +1625,7 @@ void diff_set_mnemonic_prefix(struct diff_options *options, const char *a, const
 		options->b_prefix = b;
 }
 
-static struct userdiff_driver *get_textconv(struct diff_filespec *one)
+struct userdiff_driver *get_textconv(struct diff_filespec *one)
 {
 	if (!DIFF_FILE_VALID(one))
 		return NULL;
@@ -2600,6 +2596,7 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o)
 void diff_setup(struct diff_options *options)
 {
 	memset(options, 0, sizeof(*options));
+	memset(&diff_queued_diff, 0, sizeof(diff_queued_diff));
 
 	options->file = stdout;
 
@@ -3541,8 +3538,7 @@ int diff_flush_patch_id(struct diff_options *options, unsigned char *sha1)
 		diff_free_filepair(q->queue[i]);
 
 	free(q->queue);
-	q->queue = NULL;
-	q->nr = q->alloc = 0;
+	DIFF_QUEUE_CLEAR(q);
 
 	return result;
 }
@@ -3670,8 +3666,7 @@ void diff_flush(struct diff_options *options)
 		diff_free_filepair(q->queue[i]);
 free_queue:
 	free(q->queue);
-	q->queue = NULL;
-	q->nr = q->alloc = 0;
+	DIFF_QUEUE_CLEAR(q);
 	if (options->close_file)
 		fclose(options->file);
 
@@ -3693,8 +3688,7 @@ static void diffcore_apply_filter(const char *filter)
 	int i;
 	struct diff_queue_struct *q = &diff_queued_diff;
 	struct diff_queue_struct outq;
-	outq.queue = NULL;
-	outq.nr = outq.alloc = 0;
+	DIFF_QUEUE_CLEAR(&outq);
 
 	if (!filter)
 		return;
@@ -3762,8 +3756,7 @@ static void diffcore_skip_stat_unmatch(struct diff_options *diffopt)
 	int i;
 	struct diff_queue_struct *q = &diff_queued_diff;
 	struct diff_queue_struct outq;
-	outq.queue = NULL;
-	outq.nr = outq.alloc = 0;
+	DIFF_QUEUE_CLEAR(&outq);
 
 	for (i = 0; i < q->nr; i++) {
 		struct diff_filepair *p = q->queue[i];
@@ -3824,6 +3817,12 @@ void diffcore_fix_diff_index(struct diff_options *options)
 
 void diffcore_std(struct diff_options *options)
 {
+	/* We never run this function more than one time, because the
+	 * rename/copy detection logic can only run once.
+	 */
+	if (diff_queued_diff.run)
+		return;
+
 	if (options->skip_stat_unmatch)
 		diffcore_skip_stat_unmatch(options);
 	if (options->break_opt != -1)
@@ -3843,6 +3842,8 @@ void diffcore_std(struct diff_options *options)
 		DIFF_OPT_SET(options, HAS_CHANGES);
 	else
 		DIFF_OPT_CLR(options, HAS_CHANGES);
+
+	diff_queued_diff.run = 1;
 }
 
 int diff_result_code(struct diff_options *opt, int status)
@@ -3997,9 +3998,9 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec,
 	return strbuf_detach(&buf, outsize);
 }
 
-static size_t fill_textconv(struct userdiff_driver *driver,
-			    struct diff_filespec *df,
-			    char **outbuf)
+size_t fill_textconv(struct userdiff_driver *driver,
+		     struct diff_filespec *df,
+		     char **outbuf)
 {
 	size_t size;