devfsd: constify, code shrink

function                                             old     new   delta
static.copy_inode                                    613     608      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-5)               Total: -5 bytes
   text	   data	    bss	    dec	    hex	filename
1087619	    827	   5088	1093534	 10af9e	busybox_old
1087654	    787	   5088	1093529	 10af99	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/miscutils/devfsd.c b/miscutils/devfsd.c
index 36b491595..642cd3637 100644
--- a/miscutils/devfsd.c
+++ b/miscutils/devfsd.c
@@ -306,7 +306,7 @@ static struct config_entry_struct *last_config = NULL;
 static char *mount_point = NULL;
 static volatile int caught_signal = FALSE;
 static volatile int caught_sighup = FALSE;
-static struct initial_symlink_struct {
+static const struct initial_symlink_struct {
         const char *dest;
         const char *name;
 } initial_symlinks[] = {
@@ -413,7 +413,7 @@ int devfsd_main(int argc, char **argv)
         int fd, proto_rev, count;
         unsigned long event_mask = 0;
         struct sigaction new_action;
-        struct initial_symlink_struct *curr;
+        const struct initial_symlink_struct *curr;
 
         if (argc < 2)
                 bb_show_usage();
@@ -1072,8 +1072,8 @@ static int copy_inode(const char *destpath, const struct stat *dest_stat,
                         if (fd < 0)
                                 break;
                         un_addr.sun_family = AF_UNIX;
-                        snprintf(un_addr.sun_path, sizeof(un_addr.sun_path), "%s", destpath);
-                        val = bind(fd, (struct sockaddr *) &un_addr, (int) sizeof un_addr);
+                        strncpy(un_addr.sun_path, destpath, sizeof(un_addr.sun_path));
+                        val = bind(fd, (struct sockaddr *) &un_addr, (int)sizeof(un_addr));
                         close(fd);
                         if (val != 0 || chmod(destpath, new_mode & ~S_IFMT) != 0)
                                 break;