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ktrace: tidy up ktrstruct

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- minor style fixes
- avoid doing strlen twice [1]

PR:		206648
Submitted by:	C Turt <ecturt gmail.com> (original version) [1]
This commit is contained in:
Mateusz Guzik 2016-01-27 19:55:02 +00:00
parent fac4a7ac31
commit 4dd3a21fb3
1 changed files with 6 additions and 5 deletions
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11
sys/kern/kern_ktrace.c
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@ -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;