From 183113a5ca99cb228b2ba0a29e53f1ac11f2c7c2 Mon Sep 17 00:00:00 2001
From: Thiago Farina <tfransosi@gmail.com>
Date: Sun, 4 Jul 2010 16:46:19 -0300
Subject: string_list: Add STRING_LIST_INIT macro and make use of it.

Acked-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 9fe25ff..834ec8b 100644
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -566,7 +566,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
 {
 	struct rev_info revs;
 	struct object_array commits = { 0, 0, NULL };
-	struct string_list extra_refs = { NULL, 0, 0, 0 };
+	struct string_list extra_refs = STRING_LIST_INIT_NODUP;
 	struct commit *commit;
 	char *export_filename = NULL, *import_filename = NULL;
 	struct option options[] = {
diff --git a/builtin/fetch.c b/builtin/fetch.c
index b0bfaa9..88ff357 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -548,8 +548,8 @@ static void find_non_local_tags(struct transport *transport,
 			struct ref **head,
 			struct ref ***tail)
 {
-	struct string_list existing_refs = { NULL, 0, 0, 0 };
-	struct string_list remote_refs = { NULL, 0, 0, 0 };
+	struct string_list existing_refs = STRING_LIST_INIT_NODUP;
+	struct string_list remote_refs = STRING_LIST_INIT_NODUP;
 	const struct ref *ref;
 	struct string_list_item *item = NULL;
 
@@ -651,7 +651,7 @@ static int truncate_fetch_head(void)
 static int do_fetch(struct transport *transport,
 		    struct refspec *refs, int ref_count)
 {
-	struct string_list existing_refs = { NULL, 0, 0, 0 };
+	struct string_list existing_refs = STRING_LIST_INIT_NODUP;
 	struct string_list_item *peer_item = NULL;
 	struct ref *ref_map;
 	struct ref *rm;
@@ -874,7 +874,7 @@ static int fetch_one(struct remote *remote, int argc, const char **argv)
 int cmd_fetch(int argc, const char **argv, const char *prefix)
 {
 	int i;
-	struct string_list list = { NULL, 0, 0, 0 };
+	struct string_list list = STRING_LIST_INIT_NODUP;
 	struct remote *remote;
 	int result = 0;
 
diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index bc3c5e6..a76cd4e 100644
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -38,8 +38,8 @@ void init_src_data(struct src_data *data)
 	data->generic.strdup_strings = 1;
 }
 
-static struct string_list srcs = { NULL, 0, 0, 1 };
-static struct string_list origins = { NULL, 0, 0, 1 };
+static struct string_list srcs = STRING_LIST_INIT_DUP;
+static struct string_list origins = STRING_LIST_INIT_DUP;
 
 static int handle_line(char *line)
 {
@@ -146,7 +146,7 @@ static void shortlog(const char *name, unsigned char *sha1,
 	int i, count = 0;
 	struct commit *commit;
 	struct object *branch;
-	struct string_list subjects = { NULL, 0, 0, 1 };
+	struct string_list subjects = STRING_LIST_INIT_DUP;
 	int flags = UNINTERESTING | TREESAME | SEEN | SHOWN | ADDED;
 	struct strbuf sb = STRBUF_INIT;
 
diff --git a/builtin/grep.c b/builtin/grep.c
index 232cd1c..103f64a 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -836,7 +836,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
 	struct grep_opt opt;
 	struct object_array list = { 0, 0, NULL };
 	const char **paths = NULL;
-	struct string_list path_list = { NULL, 0, 0, 0 };
+	struct string_list path_list = STRING_LIST_INIT_NODUP;
 	int i;
 	int dummy;
 	int nongit = 0, use_index = 1;
diff --git a/builtin/mailsplit.c b/builtin/mailsplit.c
index e4560da..99654d0 100644
--- a/builtin/mailsplit.c
+++ b/builtin/mailsplit.c
@@ -137,7 +137,7 @@ static int split_maildir(const char *maildir, const char *dir,
 	char name[PATH_MAX];
 	int ret = -1;
 	int i;
-	struct string_list list = {NULL, 0, 0, 1};
+	struct string_list list = STRING_LIST_INIT_DUP;
 
 	if (populate_maildir_list(&list, maildir) < 0)
 		goto out;
diff --git a/builtin/mv.c b/builtin/mv.c
index 38574b8..cdbb094 100644
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -63,7 +63,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
 	const char **source, **destination, **dest_path;
 	enum update_mode { BOTH = 0, WORKING_DIRECTORY, INDEX } *modes;
 	struct stat st;
-	struct string_list src_for_dst = {NULL, 0, 0, 0};
+	struct string_list src_for_dst = STRING_LIST_INIT_NODUP;
 
 	git_config(git_default_config, NULL);
 
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index d634b5a..760817d 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -530,7 +530,7 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
 static void check_aliased_updates(struct command *commands)
 {
 	struct command *cmd;
-	struct string_list ref_list = { NULL, 0, 0, 0 };
+	struct string_list ref_list = STRING_LIST_INIT_NODUP;
 
 	for (cmd = commands; cmd; cmd = cmd->next) {
 		struct string_list_item *item =
diff --git a/builtin/remote.c b/builtin/remote.c
index 6699bc5..48e0a6b 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -134,7 +134,7 @@ static int add_branch(const char *key, const char *branchname,
 static int add(int argc, const char **argv)
 {
 	int fetch = 0, mirror = 0, fetch_tags = TAGS_DEFAULT;
-	struct string_list track = { NULL, 0, 0 };
+	struct string_list track = STRING_LIST_INIT_NODUP;
 	const char *master = NULL;
 	struct remote *remote;
 	struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
@@ -596,7 +596,7 @@ static int mv(int argc, const char **argv)
 	};
 	struct remote *oldremote, *newremote;
 	struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
-	struct string_list remote_branches = { NULL, 0, 0, 0 };
+	struct string_list remote_branches = STRING_LIST_INIT_NODUP;
 	struct rename_info rename;
 	int i;
 
@@ -734,8 +734,8 @@ static int rm(int argc, const char **argv)
 	struct remote *remote;
 	struct strbuf buf = STRBUF_INIT;
 	struct known_remotes known_remotes = { NULL, NULL };
-	struct string_list branches = { NULL, 0, 0, 1 };
-	struct string_list skipped = { NULL, 0, 0, 1 };
+	struct string_list branches = STRING_LIST_INIT_DUP;
+	struct string_list skipped = STRING_LIST_INIT_DUP;
 	struct branches_for_remote cb_data;
 	int i, result;
 
@@ -1044,7 +1044,7 @@ static int show(int argc, const char **argv)
 		OPT_END()
 	};
 	struct ref_states states;
-	struct string_list info_list = { NULL, 0, 0, 0 };
+	struct string_list info_list = STRING_LIST_INIT_NODUP;
 	struct show_info info;
 
 	argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
@@ -1483,7 +1483,7 @@ static int get_one_entry(struct remote *remote, void *priv)
 
 static int show_all(void)
 {
-	struct string_list list = { NULL, 0, 0 };
+	struct string_list list = STRING_LIST_INIT_NODUP;
 	int result;
 
 	list.strdup_strings = 1;
diff --git a/builtin/rerere.c b/builtin/rerere.c
index 980d542..3c8e458 100644
--- a/builtin/rerere.c
+++ b/builtin/rerere.c
@@ -40,7 +40,7 @@ static int git_rerere_gc_config(const char *var, const char *value, void *cb)
 
 static void garbage_collect(struct string_list *rr)
 {
-	struct string_list to_remove = { NULL, 0, 0, 1 };
+	struct string_list to_remove = STRING_LIST_INIT_DUP;
 	DIR *dir;
 	struct dirent *e;
 	int i, cutoff;
@@ -102,7 +102,7 @@ static int diff_two(const char *file1, const char *label1,
 
 int cmd_rerere(int argc, const char **argv, const char *prefix)
 {
-	struct string_list merge_rr = { NULL, 0, 0, 1 };
+	struct string_list merge_rr = STRING_LIST_INIT_DUP;
 	int i, fd, flags = 0;
 
 	if (2 < argc) {
diff --git a/builtin/show-ref.c b/builtin/show-ref.c
index 0b2a9ad..be9b512 100644
--- a/builtin/show-ref.c
+++ b/builtin/show-ref.c
@@ -120,7 +120,7 @@ static int add_existing(const char *refname, const unsigned char *sha1, int flag
  */
 static int exclude_existing(const char *match)
 {
-	static struct string_list existing_refs = { NULL, 0, 0, 0 };
+	static struct string_list existing_refs = STRING_LIST_INIT_NODUP;
 	char buf[1024];
 	int matchlen = match ? strlen(match) : 0;
 
diff --git a/diff-no-index.c b/diff-no-index.c
index 43aeeba..ce9e783 100644
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -64,7 +64,8 @@ static int queue_diff(struct diff_options *o,
 
 	if (S_ISDIR(mode1) || S_ISDIR(mode2)) {
 		char buffer1[PATH_MAX], buffer2[PATH_MAX];
-		struct string_list p1 = {NULL, 0, 0, 1}, p2 = {NULL, 0, 0, 1};
+		struct string_list p1 = STRING_LIST_INIT_DUP;
+		struct string_list p2 = STRING_LIST_INIT_DUP;
 		int len1 = 0, len2 = 0, i1, i2, ret = 0;
 
 		if (name1 && read_directory(name1, &p1))
diff --git a/merge-recursive.c b/merge-recursive.c
index 856e98c..1c065d3 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -806,7 +806,8 @@ static int process_renames(struct merge_options *o,
 			   struct string_list *b_renames)
 {
 	int clean_merge = 1, i, j;
-	struct string_list a_by_dst = {NULL, 0, 0, 0}, b_by_dst = {NULL, 0, 0, 0};
+	struct string_list a_by_dst = STRING_LIST_INIT_NODUP;
+	struct string_list b_by_dst = STRING_LIST_INIT_NODUP;
 	const struct rename *sre;
 
 	for (i = 0; i < a_renames->nr; i++) {
diff --git a/remote.c b/remote.c
index afbba47..9143ec7 100644
--- a/remote.c
+++ b/remote.c
@@ -754,7 +754,7 @@ int for_each_remote(each_remote_fn fn, void *priv)
 
 void ref_remove_duplicates(struct ref *ref_map)
 {
-	struct string_list refs = { NULL, 0, 0, 0 };
+	struct string_list refs = STRING_LIST_INIT_NODUP;
 	struct string_list_item *item = NULL;
 	struct ref *prev = NULL, *next = NULL;
 	for (; ref_map; prev = ref_map, ref_map = next) {
@@ -1704,7 +1704,7 @@ static int get_stale_heads_cb(const char *refname,
 struct ref *get_stale_heads(struct remote *remote, struct ref *fetch_map)
 {
 	struct ref *ref, *stale_refs = NULL;
-	struct string_list ref_names = { NULL, 0, 0, 0 };
+	struct string_list ref_names = STRING_LIST_INIT_NODUP;
 	struct stale_heads_info info;
 	info.remote = remote;
 	info.ref_names = &ref_names;
diff --git a/rerere.c b/rerere.c
index d03a696..78bbcf1 100644
--- a/rerere.c
+++ b/rerere.c
@@ -426,8 +426,8 @@ static int update_paths(struct string_list *update)
 
 static int do_plain_rerere(struct string_list *rr, int fd)
 {
-	struct string_list conflict = { NULL, 0, 0, 1 };
-	struct string_list update = { NULL, 0, 0, 1 };
+	struct string_list conflict = STRING_LIST_INIT_DUP;
+	struct string_list update = STRING_LIST_INIT_DUP;
 	int i;
 
 	find_conflict(&conflict);
@@ -547,7 +547,7 @@ int setup_rerere(struct string_list *merge_rr, int flags)
 
 int rerere(int flags)
 {
-	struct string_list merge_rr = { NULL, 0, 0, 1 };
+	struct string_list merge_rr = STRING_LIST_INIT_DUP;
 	int fd;
 
 	fd = setup_rerere(&merge_rr, flags);
@@ -585,8 +585,8 @@ static int rerere_forget_one_path(const char *path, struct string_list *rr)
 int rerere_forget(const char **pathspec)
 {
 	int i, fd;
-	struct string_list conflict = { NULL, 0, 0, 1 };
-	struct string_list merge_rr = { NULL, 0, 0, 1 };
+	struct string_list conflict = STRING_LIST_INIT_DUP;
+	struct string_list merge_rr = STRING_LIST_INIT_DUP;
 
 	if (read_cache() < 0)
 		return error("Could not read index");
diff --git a/string-list.h b/string-list.h
index a37cae5..4946938 100644
--- a/string-list.h
+++ b/string-list.h
@@ -12,6 +12,9 @@ struct string_list
 	unsigned int strdup_strings:1;
 };
 
+#define STRING_LIST_INIT_NODUP { NULL, 0, 0, 0 }
+#define STRING_LIST_INIT_DUP   { NULL, 0, 0, 1 }
+
 void print_string_list(const struct string_list *p, const char *text);
 void string_list_clear(struct string_list *list, int free_util);
 
diff --git a/transport-helper.c b/transport-helper.c
index 191fbf7..acfc88e 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -689,7 +689,7 @@ static int push_refs_with_export(struct transport *transport,
 	struct child_process *helper, exporter;
 	struct helper_data *data = transport->data;
 	char *export_marks = NULL, *import_marks = NULL;
-	struct string_list revlist_args = { NULL, 0, 0 };
+	struct string_list revlist_args = STRING_LIST_INIT_NODUP;
 	struct strbuf buf = STRBUF_INIT;
 
 	helper = get_helper(transport);
-- 
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