[PATCH v5 1/2] config: document git config getter return value

[Han-Wen Nienhuys <hanwen@xxxxxxxxxx>]

Signed-off-by: Han-Wen Nienhuys <hanwen@xxxxxxxxxx>
---
 config.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/config.h b/config.h
index bb2f506b27..183b31ebf4 100644
--- a/config.h
+++ b/config.h
@@ -188,9 +188,14 @@ 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_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