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journal: PAGE_SIZE is not known on ppc and other archs

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Let's use NAME_MAX, as suggested by Dan Walsh
This commit is contained in:
Lennart Poettering
2012-03-21 23:47:44 +01:00
parent 0071d9f1db
commit 7264278fbb
1 changed files with 12 additions and 3 deletions
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src/journal/journald.c
+12 -3
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@@ -29,7 +29,6 @@
#include <sys/ioctl.h>
#include <linux/sockios.h>
#include <sys/statvfs.h>
#include <sys/user.h>
#include <systemd/sd-journal.h>
#include <systemd/sd-login.h>
@@ -2149,10 +2148,20 @@ static int process_event(Server *s, struct epoll_event *ev) {
size_t label_len = 0;
union {
struct cmsghdr cmsghdr;
/* We use NAME_MAX space for the
* SELinux label here. The kernel
* currently enforces no limit, but
* according to suggestions from the
* SELinux people this will change and
* it will probably be identical to
* NAME_MAX. For now we use that, but
* this should be updated one day when
* the final limit is known.*/
uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +
CMSG_SPACE(sizeof(struct timeval)) +
CMSG_SPACE(sizeof(int)) +
CMSG_SPACE(PAGE_SIZE)]; /* selinux label */
CMSG_SPACE(sizeof(int)) + /* fd */
CMSG_SPACE(NAME_MAX)]; /* selinux label */
} control;
ssize_t n;
int v;