commit 6c24d194f2260b073d8e8ad3e756efa3ce20dd2e
from: Omar Polo <op@omarpolo.com>
via: Thomas Adam <thomas@xteddy.org>
date: Thu Jun 15 11:27:15 2023 UTC

change got_get_repo_tags' limit argument to size_t

The function already carefully avoids wrapping around zero.  While
here add a sanity check for limit == 0, like what was previously done
for got_get_repo_commits().

commit - 90757f0a7eedde53f109f67061bb39256412dd60
commit + 6c24d194f2260b073d8e8ad3e756efa3ce20dd2e
blob - 4b1d31115a72093e73d61604cd06935239a86044
blob + d87c6a8af195b8ced89fc29785a307e6156dba73
--- gotwebd/got_operations.c
+++ gotwebd/got_operations.c
@@ -449,7 +449,7 @@ got_get_repo_commits(struct request *c, size_t limit)
 }
 
 const struct got_error *
-got_get_repo_tags(struct request *c, int limit)
+got_get_repo_tags(struct request *c, size_t limit)
 {
 	const struct got_error *error = NULL;
 	struct got_object_id *id = NULL;
@@ -471,6 +471,9 @@ got_get_repo_tags(struct request *c, int limit)
 
 	TAILQ_INIT(&refs);
 
+	if (limit == 0)
+		return got_error(GOT_ERR_RANGE);
+
 	if (asprintf(&repo_path, "%s/%s", srv->repos_path,
 	    repo_dir->name) == -1)
 		return got_error_from_errno("asprintf");
blob - cfcd977e45fabb46eb8dc44a05b3bf82623e74e0
blob + 3286dbc6e6022af719d350d5ae32579808a5c37e
--- gotwebd/gotwebd.h
+++ gotwebd/gotwebd.h
@@ -512,7 +512,7 @@ const struct got_error *got_get_repo_owner(char **, st
 const struct got_error *got_get_repo_age(time_t *, struct request *,
     const char *);
 const struct got_error *got_get_repo_commits(struct request *, size_t);
-const struct got_error *got_get_repo_tags(struct request *, int);
+const struct got_error *got_get_repo_tags(struct request *, size_t);
 const struct got_error *got_get_repo_heads(struct request *);
 const struct got_error *got_open_diff_for_output(FILE **, struct request *);
 int got_output_repo_tree(struct request *,