hush: code shrink

function                                             old     new   delta
run_pipe                                            1589    1591      +2
pseudo_exec_argv                                     374     375      +1
builtin_type                                         114     115      +1
find_function                                          8       -      -8
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 3/0 up/down: 4/-8)               Total: -4 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/shell/hush.c b/shell/hush.c
index 762cc3f..6e64efb 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -7181,21 +7181,22 @@ static const struct built_in_command *find_builtin(const char *name)
 #if ENABLE_HUSH_FUNCTIONS
 static struct function **find_function_slot(const char *name)
 {
+	struct function *funcp;
 	struct function **funcpp = &G.top_func;
-	while (*funcpp) {
-		if (strcmp(name, (*funcpp)->name) == 0) {
+
+	while ((funcp = *funcpp) != NULL) {
+		if (strcmp(name, funcp->name) == 0) {
+			debug_printf_exec("found function '%s'\n", name);
 			break;
 		}
-		funcpp = &(*funcpp)->next;
+		funcpp = &funcp->next;
 	}
 	return funcpp;
 }
 
-static const struct function *find_function(const char *name)
+static ALWAYS_INLINE const struct function *find_function(const char *name)
 {
 	const struct function *funcp = *find_function_slot(name);
-	if (funcp)
-		debug_printf_exec("found function '%s'\n", name);
 	return funcp;
 }