[PATCH 1/2] config: document git config getter return value.

[Han-Wen Nienhuys <hanwen@xxxxxxxxxx>]

---
 config.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/config.h b/config.h
index b95bb7649..41700f40b 100644
--- a/config.h
+++ b/config.h
@@ -178,10 +178,16 @@ struct config_set {
 };
 
 extern void git_configset_init(struct config_set *cs);
-extern int git_configset_add_file(struct config_set *cs, const char *filename);
-extern int git_configset_get_value(struct config_set *cs, const char *key, const char **value);
+
 extern const struct string_list *git_configset_get_value_multi(struct config_set *cs, const char *key);
 extern void git_configset_clear(struct config_set *cs);
+
+/*
+ * These functions return 1 if not found, and 0 if found, leaving the found
+ * value in the 'dest' pointer.
+ */
+extern int git_configset_add_file(struct config_set *cs, const char *filename);
+extern int git_configset_get_value(struct config_set *cs, const char *key, const char **dest);
 extern int git_configset_get_string_const(struct config_set *cs, const char *key, const char **dest);
 extern int git_configset_get_string(struct config_set *cs, const char *key, char **dest);
 extern int git_configset_get_int(struct config_set *cs, const char *key, int *dest);
-- 
2.18.0.597.ga71716f1ad-goog