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authorlulf <lulf@FreeBSD.org>2010-07-29 16:06:40 +0000
committerlulf <lulf@FreeBSD.org>2010-07-29 16:06:40 +0000
commit87c9a96183cedc8ff5345a48039bd1369aee8a6a (patch)
treec083cb59ba019428161f4f808c11cbe7a16386ae /sbin
parent1b486040f01d7bae1a5d0a07ab7f05761ba28146 (diff)
downloadFreeBSD-src-87c9a96183cedc8ff5345a48039bd1369aee8a6a.zip
FreeBSD-src-87c9a96183cedc8ff5345a48039bd1369aee8a6a.tar.gz
- Avoid calling the copy constructor when it is not necessary.
Diffstat (limited to 'sbin')
-rw-r--r--sbin/devd/devd.cc7
1 files changed, 3 insertions, 4 deletions
diff --git a/sbin/devd/devd.cc b/sbin/devd/devd.cc
index c2ff49c..7af6f4e 100644
--- a/sbin/devd/devd.cc
+++ b/sbin/devd/devd.cc
@@ -264,7 +264,7 @@ match::~match()
bool
match::do_match(config &c)
{
- string value = c.get_variable(_var);
+ const string &value = c.get_variable(_var);
bool retval;
if (Dflag)
@@ -577,7 +577,7 @@ void
config::expand_one(const char *&src, string &dst)
{
int count;
- string buffer, varstr;
+ string buffer;
src++;
// $$ -> $
@@ -615,8 +615,7 @@ config::expand_one(const char *&src, string &dst)
buffer.append(src++, 1);
} while (is_id_char(*src));
buffer.append("", 1);
- varstr = get_variable(buffer.c_str());
- dst.append(varstr);
+ dst.append(get_variable(buffer.c_str()));
}
const string
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