File xosview-1.19-appdef.patch of Package xosview

---
 Xrm.cc |   14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

--- Xrm.cc
+++ Xrm.cc	2016-12-05 10:31:19.076186648 +0000
@@ -9,6 +9,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>	//  For snprintf().
+#include <sys/stat.h>   //  For stat().
 #include <ctype.h>
 #include <unistd.h>  //  for access(), etc.  BCG
 #include <iostream>
@@ -135,34 +136,35 @@ Listed from weakest to strongest:
 
   //  Merge in the system resource database.
   char rfilename[2048];
+  struct stat st;
   int result;
   const int rlen = sizeof rfilename;
 
   // Get the app-defaults
   result = snprintf(rfilename, sizeof rfilename, "/etc/X11/app-defaults/%s",
     XrmQuarkToString(_class));
-  if (result >= 0 && result < rlen)
+  if (result >= 0 && result < rlen && stat(rfilename, &st) == 0)
     XrmCombineFileDatabase (rfilename, &_db, 1);
   result = snprintf(rfilename, sizeof rfilename, "/usr/lib/X11/app-defaults/%s",
     XrmQuarkToString(_class));
-  if (result >= 0 && result < rlen)
+  if (result >= 0 && result < rlen && stat(rfilename, &st) == 0)
     XrmCombineFileDatabase (rfilename, &_db, 1);
   result = snprintf(rfilename, sizeof rfilename, "/usr/X11R6/lib/X11/app-defaults/%s",
     XrmQuarkToString(_class));
-  if (result >= 0 && result < rlen)
+  if (result >= 0 && result < rlen && stat(rfilename, &st) == 0)
     XrmCombineFileDatabase (rfilename, &_db, 1);
   result = snprintf(rfilename, sizeof rfilename, "/usr/share/X11/app-defaults/%s",
     XrmQuarkToString(_class));
-  if (result >= 0 && result < rlen)
+  if (result >= 0 && result < rlen && stat(rfilename, &st) == 0)
     XrmCombineFileDatabase (rfilename, &_db, 1);
   //  Try a few more, for SunOS/Solaris folks.
   result = snprintf(rfilename, sizeof rfilename, "/usr/openwin/lib/X11/app-defaults/%s",
     XrmQuarkToString(_class));
-  if (result >= 0 && result < rlen)
+  if (result >= 0 && result < rlen && stat(rfilename, &st) == 0)
     XrmCombineFileDatabase (rfilename, &_db, 1);
   result = snprintf(rfilename, sizeof rfilename, "/usr/local/X11R6/lib/X11/app-defaults/%s",
       XrmQuarkToString(_class));
-  if (result >= 0 && result < rlen)
+  if (result >= 0 && result < rlen && stat(rfilename, &st) == 0)
     XrmCombineFileDatabase (rfilename, &_db, 1);
 
   //  Now, check for an XOSView file in the XAPPLRESDIR directory...