setup.c: convert check_repository_format_gently to use strbuf

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/setup.c b/setup.c
index 6c52f7585399edca9088f2b6f269b49bba8f6d6a..00a23e6edf454bce0a30783e57195f251c1e1e11 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -342,7 +342,9 @@ void setup_work_tree(void)
 
 static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
 {
-       char repo_config[PATH_MAX+1];
+       struct strbuf sb = STRBUF_INIT;
+       const char *repo_config;
+       int ret = 0;
 
        /*
         * git_config() can't be used here because it calls git_pathdup()
@@ -353,7 +355,8 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
         * Use a gentler version of git_config() to check if this repo
         * is a good one.
         */
-       snprintf(repo_config, PATH_MAX, "%s/config", gitdir);
+       strbuf_addf(&sb, "%s/config", gitdir);
+       repo_config = sb.buf;
        git_config_early(check_repository_format_version, NULL, repo_config);
        if (GIT_REPO_VERSION < repository_format_version) {
                if (!nongit_ok)
@@ -363,9 +366,10 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
                        GIT_REPO_VERSION, repository_format_version);
                warning("Please upgrade Git");
                *nongit_ok = -1;
-               return -1;
+               ret = -1;
        }
-       return 0;
+       strbuf_release(&sb);
+       return ret;
 }
 
 /*