In order to reuse the logic to format the configuration value while
honouring the requested type, split this function into two.

Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
 builtin/config.c | 42 +++++++++++++++++++++---------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/builtin/config.c b/builtin/config.c
index 33c9bf9..12c5073 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -100,25 +100,13 @@ struct strbuf_list {
        int alloc;
 };
 
-static int collect_config(const char *key_, const char *value_, void *cb)
+static int format_config(struct strbuf *buf, const char *key_, const char 
*value_)
 {
-       struct strbuf_list *values = cb;
-       struct strbuf *buf;
-       char value[256];
-       const char *vptr = value;
        int must_free_vptr = 0;
        int must_print_delim = 0;
+       char value[256];
+       const char *vptr = value;
 
-       if (!use_key_regexp && strcmp(key_, key))
-               return 0;
-       if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
-               return 0;
-       if (regexp != NULL &&
-           (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
-               return 0;
-
-       ALLOC_GROW(values->items, values->nr + 1, values->alloc);
-       buf = &values->items[values->nr++];
        strbuf_init(buf, 0);
 
        if (show_keys) {
@@ -126,7 +114,7 @@ static int collect_config(const char *key_, const char 
*value_, void *cb)
                must_print_delim = 1;
        }
        if (types == TYPE_INT)
-               sprintf(value, "%d", git_config_int(key_, value_?value_:""));
+               sprintf(value, "%d", git_config_int(key_, value_ ? value_ : 
""));
        else if (types == TYPE_BOOL)
                vptr = git_config_bool(key_, value_) ? "true" : "false";
        else if (types == TYPE_BOOL_OR_INT) {
@@ -154,15 +142,27 @@ static int collect_config(const char *key_, const char 
*value_, void *cb)
        strbuf_addch(buf, term);
 
        if (must_free_vptr)
-               /* If vptr must be freed, it's a pointer to a
-                * dynamically allocated buffer, it's safe to cast to
-                * const.
-               */
                free((char *)vptr);
-
        return 0;
 }
 
+static int collect_config(const char *key_, const char *value_, void *cb)
+{
+       struct strbuf_list *values = cb;
+
+       if (!use_key_regexp && strcmp(key_, key))
+               return 0;
+       if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
+               return 0;
+       if (regexp != NULL &&
+           (do_not_match ^ !!regexec(regexp, (value_?value_:""), 0, NULL, 0)))
+               return 0;
+
+       ALLOC_GROW(values->items, values->nr + 1, values->alloc);
+
+       return format_config(&values->items[values->nr++], key_, value_);
+}
+
 static int get_value(const char *key_, const char *regex_)
 {
        int ret = CONFIG_GENERIC_ERROR;
-- 
1.8.4-rc0-137-g17832d4

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