By inlining `name_and_item_from_var` it is easy to add later options
which are not required to have a submodule name.

Signed-off-by: Stefan Beller <sbel...@google.com>
---
 submodule-config.c | 46 +++++++++++++++++-----------------------------
 1 file changed, 17 insertions(+), 29 deletions(-)

diff --git a/submodule-config.c b/submodule-config.c
index 8b8c7d1..4d0563c 100644
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -161,22 +161,6 @@ static struct submodule *cache_lookup_name(struct 
submodule_cache *cache,
        return NULL;
 }
 
-static int name_and_item_from_var(const char *var, struct strbuf *name,
-                                 struct strbuf *item)
-{
-       const char *subsection, *key;
-       int subsection_len, parse;
-       parse = parse_config_key(var, "submodule", &subsection,
-                       &subsection_len, &key);
-       if (parse < 0 || !subsection)
-               return 0;
-
-       strbuf_add(name, subsection, subsection_len);
-       strbuf_addstr(item, key);
-
-       return 1;
-}
-
 static struct submodule *lookup_or_create_by_name(struct submodule_cache 
*cache,
                const unsigned char *gitmodules_sha1, const char *name)
 {
@@ -251,18 +235,25 @@ static int parse_config(const char *var, const char 
*value, void *data)
 {
        struct parse_config_parameter *me = data;
        struct submodule *submodule;
-       struct strbuf name = STRBUF_INIT, item = STRBUF_INIT;
-       int ret = 0;
+       int subsection_len, ret = 0;
+       const char *subsection, *key;
+       char *name;
 
-       /* this also ensures that we only parse submodule entries */
-       if (!name_and_item_from_var(var, &name, &item))
+       if (parse_config_key(var, "submodule", &subsection,
+                            &subsection_len, &key) < 0)
                return 0;
 
+       if (!subsection_len)
+               return 0;
+
+       /* subsection is not null terminated */
+       name = xmemdupz(subsection, subsection_len);
        submodule = lookup_or_create_by_name(me->cache,
                                             me->gitmodules_sha1,
-                                            name.buf);
+                                            name);
+       free(name);
 
-       if (!strcmp(item.buf, "path")) {
+       if (!strcmp(key, "path")) {
                if (!value)
                        ret = config_error_nonbool(var);
                else if (!me->overwrite && submodule->path != NULL)
@@ -275,7 +266,7 @@ static int parse_config(const char *var, const char *value, 
void *data)
                        submodule->path = xstrdup(value);
                        cache_put_path(me->cache, submodule);
                }
-       } else if (!strcmp(item.buf, "fetchrecursesubmodules")) {
+       } else if (!strcmp(key, "fetchrecursesubmodules")) {
                /* when parsing worktree configurations we can die early */
                int die_on_error = is_null_sha1(me->gitmodules_sha1);
                if (!me->overwrite &&
@@ -286,7 +277,7 @@ static int parse_config(const char *var, const char *value, 
void *data)
                        submodule->fetch_recurse = parse_fetch_recurse(
                                                                var, value,
                                                                die_on_error);
-       } else if (!strcmp(item.buf, "ignore")) {
+       } else if (!strcmp(key, "ignore")) {
                if (!value)
                        ret = config_error_nonbool(var);
                else if (!me->overwrite && submodule->ignore != NULL)
@@ -302,7 +293,7 @@ static int parse_config(const char *var, const char *value, 
void *data)
                        free((void *) submodule->ignore);
                        submodule->ignore = xstrdup(value);
                }
-       } else if (!strcmp(item.buf, "url")) {
+       } else if (!strcmp(key, "url")) {
                if (!value) {
                        ret = config_error_nonbool(var);
                } else if (!me->overwrite && submodule->url != NULL) {
@@ -312,7 +303,7 @@ static int parse_config(const char *var, const char *value, 
void *data)
                        free((void *) submodule->url);
                        submodule->url = xstrdup(value);
                }
-       } else if (!strcmp(item.buf, "update")) {
+       } else if (!strcmp(key, "update")) {
                if (!value)
                        ret = config_error_nonbool(var);
                else if (!me->overwrite && submodule->update != NULL)
@@ -324,9 +315,6 @@ static int parse_config(const char *var, const char *value, 
void *data)
                }
        }
 
-       strbuf_release(&name);
-       strbuf_release(&item);
-
        return ret;
 }
 
-- 
2.5.0.283.g1a79c94.dirty

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