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authorDenys Vlasenko2016-02-26 14:56:18 +0100
committerDenys Vlasenko2016-02-26 14:56:18 +0100
commit5bec08cebd559c906eb94b8b957afb9f0b8db338 (patch)
treed4165f1abe7d0dd568c8febd4b2aaa5c291e3650 /networking/udhcp/domain_codec.c
parent5fa9fefddce56fab75b2e6c88c4516e2b21d2f5a (diff)
downloadbusybox-5bec08cebd559c906eb94b8b957afb9f0b8db338.zip
busybox-5bec08cebd559c906eb94b8b957afb9f0b8db338.tar.gz
udhcp: trivial shrink
function old new delta dname_dec 337 332 -5 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking/udhcp/domain_codec.c')
-rw-r--r--networking/udhcp/domain_codec.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/networking/udhcp/domain_codec.c b/networking/udhcp/domain_codec.c
index c1325d8..05cdf51 100644
--- a/networking/udhcp/domain_codec.c
+++ b/networking/udhcp/domain_codec.c
@@ -42,7 +42,7 @@ char* FAST_FUNC dname_dec(const uint8_t *cstr, int clen, const char *pre)
*/
while (1) {
/* note: "return NULL" below are leak-safe since
- * dst isn't yet allocated */
+ * dst isn't allocated yet */
const uint8_t *c;
unsigned crtpos, retpos, depth, len;
@@ -95,9 +95,8 @@ char* FAST_FUNC dname_dec(const uint8_t *cstr, int clen, const char *pre)
if (!dst) { /* first pass? */
/* allocate dst buffer and copy pre */
unsigned plen = strlen(pre);
- ret = dst = xmalloc(plen + len);
- memcpy(dst, pre, plen);
- dst += plen;
+ ret = xmalloc(plen + len);
+ dst = stpcpy(ret, pre);
} else {
dst[len - 1] = '\0';
break;