Fixes for dtfile on OpenBSD, plus missing prototypes. Use statfs() on BSD to find out if a file system is NFS.

cde/programs/dtfile/dtcopy/sharedFuncs.c

@@ -69,7 +69,7 @@
 #  define ROOTINO UFSROOTINO
 #endif
 
-#if defined(linux)
+#if defined(linux) || defined(CSRG_BASED)
 #  include <sys/param.h>
 #  define ROOTINO 2
 #endif
@@ -80,9 +80,12 @@
 #include <stdio.h>
 #include <errno.h>
 #include <sys/types.h>
+#include <sys/mount.h>
 #include <pwd.h>
 #include <fcntl.h>
+#if !defined(CSRG_BASED)
 #include <ustat.h>
+#endif
 #include <dirent.h>
 
 
@@ -373,6 +376,7 @@ ImageInitialize( Display *display )
     return ;
 }  /*  end ImageInitialize */
 
+#if !defined(CSRG_BASED)
 static int
 CopyFileSysType(
    int dev)
@@ -382,6 +386,7 @@ CopyFileSysType(
      return -2;
   return u1.f_tinode;
 }
+#endif
 
 static int
 CopyCheckDeletePermissionRecur(
@@ -446,17 +451,29 @@ CopyCheckDeletePermission(
   char *parentdir,
   char *destinationPath)
 {
+#if defined(CSRG_BASED)
+  struct statfs statbuf;
+#else
   struct stat statbuf;
+#endif
   char fname[1024];
 
+#if defined(CSRG_BASED)
+  if (statfs(parentdir,&statbuf) < 0)  /* does not exist */
+#else
   if (lstat(parentdir,&statbuf) < 0)  /* does not exist */
+#endif
     return -1;
 
   /* check if we are root */
   if (getuid() == 0)
   {
     /* if NFS, need to check if server trusts root */
+#if defined(CSRG_BASED)
+    if (!strcmp(statbuf.f_fstypename, "nfs"))  /* Root user and nfs */
+#else
     if (CopyFileSysType(statbuf.st_dev) < 0)  /* Root user and nfs */
+#endif
     {
        char *tmpfile;
        tmpfile = tempnam(parentdir,"quang");