format_config: don't init strbuf
It's unusual for a function which writes to a passed-in
strbuf to call strbuf_init; that will throw away anything
already there, leaking memory. In this case, there are
exactly two callers; one relies on this initialization and
the other passes in an already-initialized buffer.
There's no leak, as the initialized buffer doesn't have
anything in it. But let's bump the strbuf_init out to the
one caller who needs it, making format_config more
idiomatic.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/config.c b/builtin/config.c
index 810e104..91aa56f 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -108,8 +108,6 @@
static int format_config(struct strbuf *buf, const char *key_, const char *value_)
{
- strbuf_init(buf, 0);
-
if (show_keys)
strbuf_addstr(buf, key_);
if (!omit_values) {
@@ -166,6 +164,7 @@
return 0;
ALLOC_GROW(values->items, values->nr + 1, values->alloc);
+ strbuf_init(&values->items[values->nr], 0);
return format_config(&values->items[values->nr++], key_, value_);
}
