[PATCH 7/9] submodule config: remove name_and_item_from_var

[Stefan Beller <sbeller@xxxxxxxxxx>]

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 <sbeller@xxxxxxxxxx>
---
 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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