Coverity fixes

[sxemacs] / src / sysdep.c

diff --git a/src/sysdep.c b/src/sysdep.c
index c806b5a..fa74c2d 100644 (file)
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -2128,11 +2128,10 @@ void init_system_name(void)
                        hints.ai_socktype = SOCK_STREAM;
                        hints.ai_protocol = 0;
                        if (!getaddrinfo(hostname, NULL, &hints, &res)) {
-                               hostname =
-                                   (char *)alloca(strlen(res->ai_canonname) +
-                                                  1);
-                               strcpy(hostname, res->ai_canonname);
+                               ssize_t canon_len=strlen(res->ai_canonname)+1;
 
+                               hostname = (char *)alloca(canon_len);
+                               strncpy(hostname, res->ai_canonname, canon_len);
                                freeaddrinfo(res);
                        }
 #  endif                       /* !(HAVE_GETADDRINFO && HAVE_GETNAMEINFO) */