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Silence compiler warning.
authorSimon Kelley <simon@thekelleys.org.uk>
Fri, 21 Feb 2025 00:04:34 +0000 (00:04 +0000)
committerSimon Kelley <simon@thekelleys.org.uk>
Fri, 14 Mar 2025 15:12:46 +0000 (15:12 +0000)
src/option.c patch | blob | history

diff --git a/src/option.c b/src/option.c
index 636b238..0cc76a3 100644 (file)
--- a/src/option.c
+++ b/src/option.c
@@ -2675,15 +2675,15 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
                        if (msize > 128)
                          ret_err_free(_("bad prefix length"), new);
                        
-                       mask = (1LLU << (128 - msize)) - 1LLU;
+                       /* prefix==64 overflows the mask calculation */
+                       if (msize <= 64)
+                         mask = (u64)-1LL;
+                       else
+                         mask = (1LLU << (128 - msize)) - 1LLU;
                        
                        new->is6 = 1;
                        new->prefixlen = msize;
                        
-                       /* prefix==64 overflows the mask calculation above */
-                       if (msize <= 64)
-                         mask = (u64)-1LL;
-                         
                        new->end6 = new->start6;
                        setaddr6part(&new->start6, addrpart & ~mask);
                        setaddr6part(&new->end6, addrpart | mask);
Dnsmasq DNS proxy and DHCP server.