Documentation: refactor common operations into variables

diff --git a/builtin/clean.c b/builtin/clean.c
index 8926ca851c697d7a867dd4e5572f88656d7bbc4c..3beeea6ec0fdc3883f2456caf46f3e1c4dadc682 100644 (file)
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -67,7 +67,7 @@ struct menu_item {
        char hotkey;
        const char *title;
        int selected;
-       int (*fn)();
+       int (*fn)(void);
 };
 
 enum menu_stuff_type {
@@ -154,7 +154,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
        DIR *dir;
        struct strbuf quoted = STRBUF_INIT;
        struct dirent *e;
-       int res = 0, ret = 0, gone = 1, original_len = path->len, len, i;
+       int res = 0, ret = 0, gone = 1, original_len = path->len, len;
        unsigned char submodule_head[20];
        struct string_list dels = STRING_LIST_INIT_DUP;
 
@@ -242,6 +242,7 @@ static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
        }
 
        if (!*dir_gone && !quiet) {
+               int i;
                for (i = 0; i < dels.nr; i++)
                        printf(dry_run ?  _(msg_would_remove) : _(msg_remove), dels.items[i].string);
        }
@@ -620,8 +621,7 @@ static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
                                nr += chosen[i];
                }
 
-               result = xmalloc(sizeof(int) * (nr + 1));
-               memset(result, 0, sizeof(int) * (nr + 1));
+               result = xcalloc(nr + 1, sizeof(int));
                for (i = 0; i < stuff->nr && j < nr; i++) {
                        if (chosen[i])
                                result[j++] = i;