CMakefile: add -Wmissing-prototypes and fix warnings

Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>

CMakeLists.txt

@@ -57,7 +57,7 @@ IF (MSVC)
 	SET(CMAKE_C_FLAGS_DEBUG "/Od /DEBUG /MTd")
 	SET(CMAKE_C_FLAGS_RELEASE "/MT /O2")
 ELSE ()
-	SET(CMAKE_C_FLAGS "-O2 -g -Wall -Wextra -Wstrict-aliasing=2 -Wstrict-prototypes")
+	SET(CMAKE_C_FLAGS "-O2 -g -Wall -Wextra -Wstrict-aliasing=2 -Wstrict-prototypes -Wmissing-prototypes")
 	IF (NOT MINGW) # MinGW always does PIC and complains if we tell it to
 		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
 	ENDIF ()

src/commit.c

@@ -187,7 +187,7 @@ cleanup:
 	return error;
 }
 
-int commit_parse_buffer(git_commit *commit, const void *data, size_t len)
+int git_commit__parse_buffer(git_commit *commit, const void *data, size_t len)
 {
 	const char *buffer = data;
 	const char *buffer_end = (const char *)data + len;
@@ -254,7 +254,7 @@ int commit_parse_buffer(git_commit *commit, const void *data, size_t len)
 int git_commit__parse(git_commit *commit, git_odb_object *obj)
 {
 	assert(commit);
-	return commit_parse_buffer(commit, obj->raw.data, obj->raw.len);
+	return git_commit__parse_buffer(commit, obj->raw.data, obj->raw.len);
 }
 
 #define GIT_COMMIT_GETTER(_rvalue, _name, _return) \

src/commit.h

@@ -24,4 +24,5 @@ struct git_commit {
 void git_commit__free(git_commit *c);
 int git_commit__parse(git_commit *commit, git_odb_object *obj);
 
+int git_commit__parse_buffer(git_commit *commit, const void *data, size_t len);
 #endif

src/config_file.c

@@ -572,7 +572,7 @@ static char *cfg_readline(diskfile_backend *cfg)
 /*
  * Consume a line, without storing it anywhere
  */
-void cfg_consume_line(diskfile_backend *cfg)
+static void cfg_consume_line(diskfile_backend *cfg)
 {
 	char *line_start, *line_end;
 

src/mwindow.c

@@ -131,7 +131,7 @@ void git_mwindow_scan_lru(
  * Close the least recently used window. You should check to see if
  * the file descriptors need closing from time to time.
  */
-int git_mwindow_close_lru(git_mwindow_file *mwf)
+static int git_mwindow_close_lru(git_mwindow_file *mwf)
 {
 	unsigned int i;
 	git_mwindow *lru_w = NULL, *lru_l = NULL;

src/odb_loose.c

@@ -481,7 +481,7 @@ static int locate_object(char *object_location, loose_backend *backend, const gi
 }
 
 /* Explore an entry of a directory and see if it matches a short oid */
-int fn_locate_object_short_oid(void *state, char *pathbuf) {
+static int fn_locate_object_short_oid(void *state, char *pathbuf) {
 	loose_locate_object_state *sstate = (loose_locate_object_state *)state;
 
 	size_t pathbuf_len = strlen(pathbuf);
@@ -577,7 +577,7 @@ static int locate_object_short_oid(char *object_location, git_oid *res_oid, loos
  *
  ***********************************************************/
 
-int loose_backend__read_header(size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid)
+static int loose_backend__read_header(size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid)
 {
 	char object_path[GIT_PATH_MAX];
 	git_rawobj raw;
@@ -599,7 +599,7 @@ int loose_backend__read_header(size_t *len_p, git_otype *type_p, git_odb_backend
 	return GIT_SUCCESS;
 }
 
-int loose_backend__read(void **buffer_p, size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid)
+static int loose_backend__read(void **buffer_p, size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid)
 {
 	char object_path[GIT_PATH_MAX];
 	git_rawobj raw;
@@ -620,7 +620,7 @@ int loose_backend__read(void **buffer_p, size_t *len_p, git_otype *type_p, git_o
 	return GIT_SUCCESS;
 }
 
-int loose_backend__read_prefix(
+static int loose_backend__read_prefix(
 	git_oid *out_oid,
 	void **buffer_p,
 	size_t *len_p,
@@ -661,7 +661,7 @@ int loose_backend__read_prefix(
 	return GIT_SUCCESS;
 }
 
-int loose_backend__exists(git_odb_backend *backend, const git_oid *oid)
+static int loose_backend__exists(git_odb_backend *backend, const git_oid *oid)
 {
 	char object_path[GIT_PATH_MAX];
 
@@ -670,7 +670,7 @@ int loose_backend__exists(git_odb_backend *backend, const git_oid *oid)
 	return locate_object(object_path, (loose_backend *)backend, oid) == GIT_SUCCESS;
 }
 
-int loose_backend__stream_fwrite(git_oid *oid, git_odb_stream *_stream)
+static int loose_backend__stream_fwrite(git_oid *oid, git_odb_stream *_stream)
 {
 	loose_writestream *stream = (loose_writestream *)_stream;
 	loose_backend *backend = (loose_backend *)_stream->backend;
@@ -691,13 +691,13 @@ int loose_backend__stream_fwrite(git_oid *oid, git_odb_stream *_stream)
 	return git_filebuf_commit_at(&stream->fbuf, final_path);
 }
 
-int loose_backend__stream_write(git_odb_stream *_stream, const char *data, size_t len)
+static int loose_backend__stream_write(git_odb_stream *_stream, const char *data, size_t len)
 {
 	loose_writestream *stream = (loose_writestream *)_stream;
 	return git_filebuf_write(&stream->fbuf, data, len);
 }
 
-void loose_backend__stream_free(git_odb_stream *_stream)
+static void loose_backend__stream_free(git_odb_stream *_stream)
 {
 	loose_writestream *stream = (loose_writestream *)_stream;
 
@@ -720,7 +720,7 @@ static int format_object_header(char *hdr, size_t n, size_t obj_len, git_otype o
 	return len+1;
 }
 
-int loose_backend__stream(git_odb_stream **stream_out, git_odb_backend *_backend, size_t length, git_otype type)
+static int loose_backend__stream(git_odb_stream **stream_out, git_odb_backend *_backend, size_t length, git_otype type)
 {
 	loose_backend *backend;
 	loose_writestream *stream;
@@ -772,7 +772,7 @@ int loose_backend__stream(git_odb_stream **stream_out, git_odb_backend *_backend
 	return GIT_SUCCESS;
 }
 
-int loose_backend__write(git_oid *oid, git_odb_backend *_backend, const void *data, size_t len, git_otype type)
+static int loose_backend__write(git_oid *oid, git_odb_backend *_backend, const void *data, size_t len, git_otype type)
 {
 	int error, header_len;
 	char final_path[GIT_PATH_MAX], header[64];
@@ -815,7 +815,7 @@ cleanup:
 	return error;
 }
 
-void loose_backend__free(git_odb_backend *_backend)
+static void loose_backend__free(git_odb_backend *_backend)
 {
 	loose_backend *backend;
 	assert(_backend);

src/odb_pack.c

@@ -381,7 +381,7 @@ int pack_backend__read_header(git_rawobj *obj, git_odb_backend *backend, const g
 }
 */
 
-int pack_backend__read(void **buffer_p, size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid)
+static int pack_backend__read(void **buffer_p, size_t *len_p, git_otype *type_p, git_odb_backend *backend, const git_oid *oid)
 {
 	struct git_pack_entry e;
 	git_rawobj raw;
@@ -400,7 +400,7 @@ int pack_backend__read(void **buffer_p, size_t *len_p, git_otype *type_p, git_od
 	return GIT_SUCCESS;
 }
 
-int pack_backend__read_prefix(
+static int pack_backend__read_prefix(
 	git_oid *out_oid,
 	void **buffer_p,
 	size_t *len_p,
@@ -439,13 +439,13 @@ int pack_backend__read_prefix(
 	return GIT_SUCCESS;
 }
 
-int pack_backend__exists(git_odb_backend *backend, const git_oid *oid)
+static int pack_backend__exists(git_odb_backend *backend, const git_oid *oid)
 {
 	struct git_pack_entry e;
 	return pack_entry_find(&e, (struct pack_backend *)backend, oid) == GIT_SUCCESS;
 }
 
-void pack_backend__free(git_odb_backend *_backend)
+static void pack_backend__free(git_odb_backend *_backend)
 {
 	struct pack_backend *backend;
 	size_t i;

src/refs.c

@@ -1566,7 +1566,7 @@ int git_reference_foreach(git_repository *repo, unsigned int list_flags, int (*c
 	return git_futils_direach(refs_path, GIT_PATH_MAX, _dirent_loose_listall, &data);
 }
 
-int cb__reflist_add(const char *ref, void *data)
+static int cb__reflist_add(const char *ref, void *data)
 {
 	return git_vector_insert((git_vector *)data, git__strdup(ref));
 }

src/remote.c

@@ -234,11 +234,6 @@ int git_remote_download(char **filename, git_remote *remote)
 	return git_fetch_download_pack(filename, remote);
 }
 
-git_headarray *git_remote_tips(git_remote *remote)
-{
-	return &remote->refs;
-}
-
 int git_remote_update_tips(struct git_remote *remote)
 {
 	int error = GIT_SUCCESS;

src/revwalk.c

@@ -70,7 +70,7 @@ struct git_revwalk {
 	unsigned int sorting;
 };
 
-commit_list *commit_list_insert(commit_object *item, commit_list **list_p)
+static commit_list *commit_list_insert(commit_object *item, commit_list **list_p)
 {
 	commit_list *new_list = git__malloc(sizeof(commit_list));
 	new_list->item = item;
@@ -79,7 +79,7 @@ commit_list *commit_list_insert(commit_object *item, commit_list **list_p)
 	return new_list;
 }
 
-void commit_list_free(commit_list **list_p)
+static void commit_list_free(commit_list **list_p)
 {
 	commit_list *list = *list_p;
 
@@ -92,7 +92,7 @@ void commit_list_free(commit_list **list_p)
 	*list_p = NULL;
 }
 
-commit_object *commit_list_pop(commit_list **stack)
+static commit_object *commit_list_pop(commit_list **stack)
 {
 	commit_list *top = *stack;
 	commit_object *item = top ? top->item : NULL;

src/signature.c

@@ -221,7 +221,7 @@ static int parse_timezone_offset(const char *buffer, int *offset_out)
 	return GIT_SUCCESS;
 }
 
-int process_next_token(const char **buffer_out, char **storage,
+static int process_next_token(const char **buffer_out, char **storage,
 	const char *token_end, const char *right_boundary)
 {
 	int error = process_trimming(*buffer_out, storage, token_end, 0);
@@ -236,7 +236,7 @@ int process_next_token(const char **buffer_out, char **storage,
 	return GIT_SUCCESS;
 }
 
-const char *scan_for_previous_token(const char *buffer, const char *left_boundary)
+static const char *scan_for_previous_token(const char *buffer, const char *left_boundary)
 {
 	const char *start;
 
@@ -252,7 +252,7 @@ const char *scan_for_previous_token(const char *buffer, const char *left_boundar
 	return start;
 }
 
-int parse_time(git_time_t *time_out, const char *buffer)
+static int parse_time(git_time_t *time_out, const char *buffer)
 {
 	long time;
 	int error;

src/tree.c

@@ -42,7 +42,7 @@ struct tree_key_search {
 	size_t filename_len;
 };
 
-int entry_search_cmp(const void *key, const void *array_member)
+static int entry_search_cmp(const void *key, const void *array_member)
 {
 	const struct tree_key_search *ksearch = key;
 	const git_tree_entry *entry = array_member;
@@ -55,7 +55,7 @@ int entry_search_cmp(const void *key, const void *array_member)
 	return result ? result : ((int)ksearch->filename_len - (int)entry->filename_len);
 }
 
-int entry_sort_cmp(const void *a, const void *b)
+static int entry_sort_cmp(const void *a, const void *b)
 {
 	const git_tree_entry *entry_a = (const git_tree_entry *)(a);
 	const git_tree_entry *entry_b = (const git_tree_entry *)(b);

tests/t04-commit.c

@@ -498,9 +498,6 @@ BEGIN_TEST(signature4, "creating a zero character signature")
 END_TEST
 
 
-/* External declaration for testing the buffer parsing method */
-int commit_parse_buffer(git_commit *commit, void *data, size_t len);
-
 BEGIN_TEST(parse2, "parse a whole commit buffer")
 	const int broken_commit_count = sizeof(test_commits_broken) / sizeof(*test_commits_broken);
 	const int working_commit_count = sizeof(test_commits_working) / sizeof(*test_commits_working);
@@ -516,7 +513,7 @@ BEGIN_TEST(parse2, "parse a whole commit buffer")
 		memset(commit, 0x0, sizeof(git_commit));
 		commit->object.repo = repo;
 
-		must_fail(commit_parse_buffer(
+		must_fail(git_commit__parse_buffer(
 					commit,
 					test_commits_broken[i],
 					strlen(test_commits_broken[i]))
@@ -532,7 +529,7 @@ BEGIN_TEST(parse2, "parse a whole commit buffer")
 		memset(commit, 0x0, sizeof(git_commit));
 		commit->object.repo = repo;
 
-		must_pass(commit_parse_buffer(
+		must_pass(git_commit__parse_buffer(
 					commit,
 					test_commits_working[i],
 					strlen(test_commits_working[i]))
@@ -544,7 +541,7 @@ BEGIN_TEST(parse2, "parse a whole commit buffer")
 		memset(commit, 0x0, sizeof(git_commit));
 		commit->object.repo = repo;
 
-		must_pass(commit_parse_buffer(
+		must_pass(git_commit__parse_buffer(
 					commit,
 					test_commits_working[i],
 					strlen(test_commits_working[i]))

tests/t07-hashtable.c

@@ -34,7 +34,7 @@ typedef struct _aux_object {
 	int visited;
 } table_item;
 
-uint32_t hash_func(const void *key, int hash_id)
+static uint32_t hash_func(const void *key, int hash_id)
 {
 	uint32_t r;
 	const git_oid *id = key;
@@ -43,7 +43,7 @@ uint32_t hash_func(const void *key, int hash_id)
 	return r;
 }
 
-int hash_cmpkey(const void *a, const void *b)
+static int hash_cmpkey(const void *a, const void *b)
 {
 	return git_oid_cmp(a, b);
 }

tests/t12-repo.c

@@ -34,7 +34,7 @@ typedef struct {
 	int position;
 } fake_backend;
 
-git_odb_backend *new_backend(int position)
+static git_odb_backend *new_backend(int position)
 {
 	fake_backend *b;
 
@@ -47,7 +47,7 @@ git_odb_backend *new_backend(int position)
 	return (git_odb_backend *)b;
 }
 
-int test_backend_sorting(git_odb *odb)
+static int test_backend_sorting(git_odb *odb)
 {
 	unsigned int i;
 

tests/test_lib.h

@@ -13,6 +13,7 @@
 #define SUITE_NAME(SNAME) libgit2_suite_##SNAME
 
 #define BEGIN_SUITE(SNAME) \
+	git_testsuite *libgit2_suite_##SNAME(void);\
 	git_testsuite *libgit2_suite_##SNAME(void) {\
 		git_testsuite *_gitsuite = git_testsuite_new(#SNAME);