*: introduce and use FAST_FUNC: regparm on i386, otherwise no-on

   text    data     bss     dec     hex filename
 808035     611    6868  815514   c719a busybox_old
 804472     611    6868  811951   c63af busybox_unstripped

1 files changed, 1 insertions, 1 deletions

diff --git a/loginutils/addgroup.c b/loginutils/addgroup.c
index c9495b2c1..863ccdf72 100644
--- a/loginutils/addgroup.c
+++ b/loginutils/addgroup.c
@@ -72,7 +72,7 @@ static void new_group(char *group, gid_t gid)
 #if ENABLE_FEATURE_ADDUSER_TO_GROUP
 static void add_user_to_group(char **args,
                 const char *path,
-                FILE *(*fopen_func)(const char *fileName, const char *mode))
+                FILE* FAST_FUNC (*fopen_func)(const char *fileName, const char *mode))
 {
         char *line;
         int len = strlen(args[1]);