cppcheck: Make many pointers const

Newer versions of cppcheck (as of 2.12.0, at least) added a warning for
pointers which could be declared to point at const data, but aren't.
Based on that, make many pointers throughout the codebase const.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/pasta.c b/pasta.c
index 9bc26d5..5fd44fe 100644
--- a/pasta.c
+++ b/pasta.c
@@ -362,7 +362,7 @@ void pasta_ns_conf(struct ctx *c)
  *
  * Return: inotify file descriptor, -1 on failure or if not needed/applicable
  */
-int pasta_netns_quit_init(struct ctx *c)
+int pasta_netns_quit_init(const struct ctx *c)
 {
 	int flags = O_NONBLOCK | O_CLOEXEC;
 	union epoll_ref ref = { .type = EPOLL_TYPE_NSQUIT };
@@ -399,7 +399,7 @@ int pasta_netns_quit_init(struct ctx *c)
 void pasta_netns_quit_handler(struct ctx *c, int inotify_fd)
 {
 	char buf[sizeof(struct inotify_event) + NAME_MAX + 1];
-	struct inotify_event *in_ev = (struct inotify_event *)buf;
+	const struct inotify_event *in_ev = (struct inotify_event *)buf;
 
 	if (read(inotify_fd, buf, sizeof(buf)) < (ssize_t)sizeof(*in_ev))
 		return;