From: Jonas Fonseca <fonseca@diku.dk>
Date: Wed, 23 Jun 2010 02:23:35 +0000 (-0400)
Subject: Refactor argv_size out from argv_append
X-Git-Url: https://git.tokkee.org/?p=tig.git;a=commitdiff_plain;h=e63f5aaf6f56ebcb60bc34615db52d849585740d

Refactor argv_size out from argv_append
---

diff --git a/tig.c b/tig.c
index a82a468..e2e83ff 100644
--- a/tig.c
+++ b/tig.c
@@ -684,15 +684,23 @@ argv_free(const char *argv[])
 	argv[0] = NULL;
 }
 
+static size_t
+argv_size(const char **argv)
+{
+	int argc = 0;
+
+	while (argv && argv[argc])
+		argc++;
+
+	return argc;
+}
+
 DEFINE_ALLOCATOR(argv_realloc, const char *, SIZEOF_ARG)
 
 static bool
 argv_append(const char ***argv, const char *arg)
 {
-	int argc = 0;
-
-	while (*argv && (*argv)[argc])
-		argc++;
+	size_t argc = argv_size(*argv);
 
 	if (!argv_realloc(argv, argc, 2))
 		return FALSE;