[PATCH v2 7/7] strvec API users: change some "int" tracking "nr" to "size_t"

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Now that the strvec.h "int nr" has been changed to "size_t nr" in the
preceding commit change various users of the API so that their local
tracking (usually for-loop iteration) of the number of items in the
array uses "size_t" as well.

These were found by changing the "nr" member to a pointer temporarily,
and manually looking at the codepaths that the compiler complained
about.

As argued in <YTIBnT8Ue1HZXs82@xxxxxxxxxxxxxxxxxxxxxxx>[1] these
changes are not strictly necessary as a follow-up, but let's do them
anyway so we don't need to wonder about the "size_t" v.s. "int"
inconsistency going forward.

As noted in <87v93i8svd.fsf@xxxxxxxxxxxxxxxxxxx> in that thread we
have various things that interact with the "int argc" passed from
main() (e.g. setup_revisions()) and "struct strvec". Those things
could consistently use "int" before, but will now use some mixture of
"int" and "size_t". That's OK, but is the reason we're not converting
all API users to use "size_t" here for their own copies of "nr", or
when they pass that "nr" to other functions.

1. https://lore.kernel.org/git/YTIBnT8Ue1HZXs82@xxxxxxxxxxxxxxxxxxxxxxx/
2. https://lore.kernel.org/git/87v93i8svd.fsf@xxxxxxxxxxxxxxxxxxx/

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx>
---
 builtin/rebase.c | 7 ++++---
 connect.c        | 8 ++++----
 fetch-pack.c     | 4 ++--
 ls-refs.c        | 2 +-
 remote-curl.c    | 2 +-
 sequencer.c      | 2 +-
 serve.c          | 2 +-
 submodule.c      | 2 +-
 8 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/builtin/rebase.c b/builtin/rebase.c
index dcd897fda9c..b96faaa7fea 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1424,7 +1424,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 			 N_("apply all changes, even those already present upstream")),
 		OPT_END(),
 	};
-	int i;
+	size_t i;
+	unsigned int j;
 
 	if (argc == 2 && !strcmp(argv[1], "-h"))
 		usage_with_options(builtin_rebase_usage,
@@ -1654,8 +1655,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
 		}
 	}
 
-	for (i = 0; i < exec.nr; i++)
-		if (check_exec_cmd(exec.items[i].string))
+	for (j = 0; j < exec.nr; j++)
+		if (check_exec_cmd(exec.items[j].string))
 			exit(1);
 
 	if (!(options.flags & REBASE_NO_QUIET))
diff --git a/connect.c b/connect.c
index aff13a270e6..a54d4aa4d90 100644
--- a/connect.c
+++ b/connect.c
@@ -68,7 +68,7 @@ static NORETURN void die_initial_contact(int unexpected)
 /* Checks if the server supports the capability 'c' */
 int server_supports_v2(const char *c, int die_on_error)
 {
-	int i;
+	size_t i;
 
 	for (i = 0; i < server_capabilities_v2.nr; i++) {
 		const char *out;
@@ -85,7 +85,7 @@ int server_supports_v2(const char *c, int die_on_error)
 
 int server_feature_v2(const char *c, const char **v)
 {
-	int i;
+	size_t i;
 
 	for (i = 0; i < server_capabilities_v2.nr; i++) {
 		const char *out;
@@ -101,7 +101,7 @@ int server_feature_v2(const char *c, const char **v)
 int server_supports_feature(const char *c, const char *feature,
 			    int die_on_error)
 {
-	int i;
+	size_t i;
 
 	for (i = 0; i < server_capabilities_v2.nr; i++) {
 		const char *out;
@@ -479,7 +479,7 @@ struct ref **get_remote_refs(int fd_out, struct packet_reader *reader,
 			     const struct string_list *server_options,
 			     int stateless_rpc)
 {
-	int i;
+	size_t i;
 	const char *hash_name;
 	struct strvec *ref_prefixes = transport_options ?
 		&transport_options->ref_prefixes : NULL;
diff --git a/fetch-pack.c b/fetch-pack.c
index 0bf7ed7e477..d20f9a046f7 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -945,7 +945,7 @@ static int get_pack(struct fetch_pack_args *args,
 	}
 
 	if (index_pack_args) {
-		int i;
+		size_t i;
 
 		for (i = 0; i < cmd.args.nr; i++)
 			strvec_push(index_pack_args, cmd.args.v[i]);
@@ -1674,7 +1674,7 @@ static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
 	}
 
 	for (i = 0; i < packfile_uris.nr; i++) {
-		int j;
+		size_t j;
 		struct child_process cmd = CHILD_PROCESS_INIT;
 		char packname[GIT_MAX_HEXSZ + 1];
 		const char *uri = packfile_uris.items[i].string +
diff --git a/ls-refs.c b/ls-refs.c
index 84021416ca5..9622bc46072 100644
--- a/ls-refs.c
+++ b/ls-refs.c
@@ -46,7 +46,7 @@ static void ensure_config_read(void)
  */
 static int ref_match(const struct strvec *prefixes, const char *refname)
 {
-	int i;
+	size_t i;
 
 	if (!prefixes->nr)
 		return 1; /* no restriction */
diff --git a/remote-curl.c b/remote-curl.c
index 1f177e86f11..682643bb842 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -1288,7 +1288,7 @@ static int push_dav(struct strvec *specs)
 static int push_git(struct discovery *heads, struct strvec *specs)
 {
 	struct rpc_state rpc;
-	int i;
+	size_t i;
 	int err;
 	struct strvec args;
 	struct string_list_item *cas_option;
diff --git a/sequencer.c b/sequencer.c
index a4ba434f173..ca3ee2e4167 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -919,7 +919,7 @@ static char *get_author(const char *message)
 
 static const char *author_date_from_env_array(const struct strvec *env)
 {
-	int i;
+	size_t i;
 	const char *date;
 
 	for (i = 0; i < env->nr; i++)
diff --git a/serve.c b/serve.c
index f11c0e07c45..0271bf946cc 100644
--- a/serve.c
+++ b/serve.c
@@ -159,7 +159,7 @@ static int is_command(const char *key, struct protocol_capability **command)
 int has_capability(const struct strvec *keys, const char *capability,
 		   const char **value)
 {
-	int i;
+	size_t i;
 	for (i = 0; i < keys->nr; i++) {
 		const char *out;
 		if (skip_prefix(keys->v[i], capability, &out) &&
diff --git a/submodule.c b/submodule.c
index 8e611fe1dbf..38ee56782c7 100644
--- a/submodule.c
+++ b/submodule.c
@@ -1606,7 +1606,7 @@ int fetch_populated_submodules(struct repository *r,
 			       int default_option,
 			       int quiet, int max_parallel_jobs)
 {
-	int i;
+	size_t i;
 	struct submodule_parallel_fetch spf = SPF_INIT;
 
 	spf.r = r;
-- 
2.33.0.998.ga4d44345d43




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