Pacify --enable-gcc-warnings for lib-src/pop.c

* lib-src/pop.c: Include c-ctype.h.
(socket_connection): Pacify --enable-gcc-warnings by rewriting to
avoid 'if (v = E) ...'.  Use c_tolower, instead of a combination
of the (undeclared) isupper and tolower.  Fix pointer constness
problem.

diff --git a/lib-src/pop.c b/lib-src/pop.c
index 74a6fc151aa0d1e040ec2ddb636036aaeed6610f..99ec1cf824aace256c29d70e5eca7c866acacbfe 100644 (file)
--- a/lib-src/pop.c
+++ b/lib-src/pop.c
@@ -90,6 +90,7 @@ extern struct servent *hes_getservbyname (/* char *, char * */);
 # endif
 #endif /* KERBEROS */
 
+#include <c-ctype.h>
 #include <min-max.h>
 
 #ifdef KERBEROS
@@ -718,7 +719,8 @@ pop_multi_next (popserver server, char **line)
       return (-1);
     }
 
-  if ((ret = pop_getline (server, &fromserver)) < 0)
+  ret = pop_getline (server, &fromserver);
+  if (ret < 0)
     {
       return (-1);
     }
@@ -1102,7 +1104,8 @@ socket_connection (char *host, int flags)
   if (! (flags & POP_NO_KERBEROS))
     {
 #ifdef KERBEROS5
-      if ((rem = krb5_init_context (&kcontext)))
+      rem = krb5_init_context (&kcontext);
+      if (rem)
        {
        krb5error:
          if (auth_context)
@@ -1115,29 +1118,29 @@ socket_connection (char *host, int flags)
          return (-1);
        }
 
-      if ((rem = krb5_auth_con_init (kcontext, &auth_context)))
+      rem = krb5_auth_con_init (kcontext, &auth_context);
+      if (rem)
        goto krb5error;
 
-      if (rem = krb5_cc_default (kcontext, &ccdef))
+      rem = krb5_cc_default (kcontext, &ccdef);
+      if (rem)
        goto krb5error;
 
-      if (rem = krb5_cc_get_principal (kcontext, ccdef, &client))
+      rem = krb5_cc_get_principal (kcontext, ccdef, &client);
+      if (rem)
        goto krb5error;
 
       for (cp = realhost; *cp; cp++)
-       {
-         if (isupper (*cp))
-           {
-             *cp = tolower (*cp);
-           }
-       }
+       *cp = c_tolower (*cp);
 
-      if (rem = krb5_sname_to_principal (kcontext, realhost,
-                                        POP_SERVICE, FALSE, &server))
+      rem = krb5_sname_to_principal (kcontext, realhost,
+                                    POP_SERVICE, FALSE, &server);
+      if (rem)
        goto krb5error;
 
       rem = krb5_sendauth (kcontext, &auth_context,
-                          (krb5_pointer) &sock, "KPOPV1.0", client, server,
+                          (krb5_pointer) &sock, (char *) "KPOPV1.0",
+                          client, server,
                          AP_OPTS_MUTUAL_REQUIRED,
                          0,    /* no checksum */
                          0,    /* no creds, use ccache instead */