pledge: use uint64_t instead of int for temporary storing a 64bit integer

affects only 32 bits platform (like i386).

problem spotted and diff from pelikan@

ok deraadt@ jca@

diff --git a/sys/kern/kern_pledge.c b/sys/kern/kern_pledge.c
index 2d254dc..45ce0bc 100644 (file)
--- a/sys/kern/kern_pledge.c
+++ b/sys/kern/kern_pledge.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: kern_pledge.c,v 1.175 2016/07/10 00:39:23 guenther Exp $      */
+/*     $OpenBSD: kern_pledge.c,v 1.176 2016/07/10 14:21:24 semarie Exp $       */
 
 /*
  * Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org>
@@ -79,7 +79,7 @@
 #include "drm.h"
 #endif
 
-int pledgereq_flags(const char *req);
+uint64_t pledgereq_flags(const char *req);
 int canonpath(const char *input, char *buf, size_t bufsize);
 int substrcmp(const char *p1, size_t s1, const char *p2, size_t s2);
 int resolvpath(struct proc *p, char **rdir, size_t *rdirlen, char **cwd,
@@ -404,7 +404,7 @@ sys_pledge(struct proc *p, void *v, register_t *retval)
        if (SCARG(uap, request)) {
                size_t rbuflen;
                char *rbuf, *rp, *pn;
-               int f;
+               uint64_t f;
 
                rbuf = malloc(MAXPATHLEN, M_TEMP, M_WAITOK);
                error = copyinstr(SCARG(uap, request), rbuf, MAXPATHLEN,
@@ -1515,7 +1515,7 @@ pledge_swapctl(struct proc *p)
 }
 
 /* bsearch over pledgereq. return flags value if found, 0 else */
-int
+uint64_t
 pledgereq_flags(const char *req_name)
 {
        int base = 0, cmp, i, lim;