Author: mjg
Date: Wed Jan 27 19:55:02 2016
New Revision: 294934
URL: https://svnweb.freebsd.org/changeset/base/294934
Log:
ktrace: tidy up ktrstruct
- minor style fixes
- avoid doing strlen twice [1]
PR: 206648
Submitted by: C Turt <ecturt gmail.com> (original version) [1]
Modified:
head/sys/kern/kern_ktrace.c
Modified: head/sys/kern/kern_ktrace.c
==============================================================================
--- head/sys/kern/kern_ktrace.c Wed Jan 27 19:11:11 2016 (r294933)
+++ head/sys/kern/kern_ktrace.c Wed Jan 27 19:55:02 2016 (r294934)
@@ -757,15 +757,16 @@ ktrstruct(name, data, datalen)
size_t datalen;
{
struct ktr_request *req;
- char *buf = NULL;
- size_t buflen;
+ char *buf;
+ size_t buflen, namelen;
- if (!data)
+ if (data == NULL)
datalen = 0;
- buflen = strlen(name) + 1 + datalen;
+ namelen = strlen(name) + 1;
+ buflen = namelen + datalen;
buf = malloc(buflen, M_KTRACE, M_WAITOK);
strcpy(buf, name);
- bcopy(data, buf + strlen(name) + 1, datalen);
+ bcopy(data, buf + namelen, datalen);
if ((req = ktr_getrequest(KTR_STRUCT)) == NULL) {
free(buf, M_KTRACE);
return;
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