Make "oneline" the default for nameopt

There's no reason why we should default to a output format that is
old, and confusing in some cases.

This affects the commands "ca", "crl", "req" and "x509".

Reviewed-by: Rich Salz <rsalz@openssl.org>
diff --git a/apps/ca.c b/apps/ca.c
index a0f9f79..0a8d7b7 100644
--- a/apps/ca.c
+++ b/apps/ca.c
@@ -325,7 +325,7 @@
                 ret = 0;
                 goto end;
             case OPT_IN:
-		req = 1;
+                req = 1;
                 infile = opt_arg();
                 break;
             case OPT_OUT:
@@ -638,8 +638,10 @@
             goto end;
         }
         default_op = 0;
-    } else
+    } else {
+        nameopt = XN_FLAG_ONELINE;
         ERR_clear_error();
+    }
 
     f = NCONF_get_string(conf, section, ENV_CERTOPT);
 
diff --git a/apps/crl.c b/apps/crl.c
index c897335..b4c9c75 100644
--- a/apps/crl.c
+++ b/apps/crl.c
@@ -114,6 +114,7 @@
     EVP_PKEY *pkey;
     const EVP_MD *digest = EVP_sha1();
     unsigned long nmflag = 0;
+    char nmflag_set = 0;
     char *infile = NULL, *outfile = NULL, *crldiff = NULL, *keyfile = NULL;
     char *CAfile = NULL, *CApath = NULL, *prog;
     OPTION_CHOICE o;
@@ -206,6 +207,7 @@
             badsig = 1;
             break;
         case OPT_NAMEOPT:
+            nmflag_set = 1;
             if (!set_name_ex(&nmflag, opt_arg()))
                 goto opthelp;
             break;
@@ -217,6 +219,9 @@
     argc = opt_num_rest();
     argv = opt_rest();
 
+    if (!nmflag_set)
+        nmflag = XN_FLAG_ONELINE;
+
     if (!app_load_modules(NULL))
         goto end;
 
diff --git a/apps/req.c b/apps/req.c
index 03736cc..b3220ba 100644
--- a/apps/req.c
+++ b/apps/req.c
@@ -211,6 +211,7 @@
     int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
     long newkey = -1;
     unsigned long chtype = MBSTRING_ASC, nmflag = 0, reqflag = 0;
+    char nmflag_set = 0;
 
 #ifndef OPENSSL_NO_DES
     cipher = EVP_des_ede3_cbc();
@@ -323,6 +324,7 @@
             chtype = MBSTRING_UTF8;
             break;
         case OPT_NAMEOPT:
+            nmflag_set = 1;
             if (!set_name_ex(&nmflag, opt_arg()))
                 goto opthelp;
             break;
@@ -352,7 +354,7 @@
                 goto opthelp;
             break;
         case OPT_SUBJECT:
-	    subject = 1;
+            subject = 1;
             break;
         case OPT_SUBJ:
             subj = opt_arg();
@@ -375,6 +377,10 @@
     }
     argc = opt_num_rest();
     argv = opt_rest();
+
+    if (!nmflag_set)
+        nmflag = XN_FLAG_ONELINE;
+
     private = newreq && (pkey == NULL) ? 1 : 0;
 
     if (!app_passwd(passargin, passargout, &passin, &passout)) {
diff --git a/apps/x509.c b/apps/x509.c
index 8293a6e..18e13e7 100644
--- a/apps/x509.c
+++ b/apps/x509.c
@@ -227,6 +227,7 @@
     int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0;
     int checkoffset = 0, enddate = 0;
     unsigned long nmflag = 0, certflag = 0;
+    char nmflag_set = 0;
     OPTION_CHOICE o;
     ENGINE *e = NULL;
 #ifndef OPENSSL_NO_MD5
@@ -360,6 +361,7 @@
                 goto opthelp;
             break;
         case OPT_NAMEOPT:
+            nmflag_set = 1;
             if (!set_name_ex(&nmflag, opt_arg()))
                 goto opthelp;
             break;
@@ -488,6 +490,9 @@
         goto opthelp;
     }
 
+    if (!nmflag_set)
+        nmflag = XN_FLAG_ONELINE;
+
     if (!app_load_modules(NULL))
         goto end;