diff -Naur gv.orig/src/file.c gv/src/file.c
--- gv.orig/src/file.c	2005-08-10 15:33:21 +0400
+++ gv/src/file.c	2007-07-06 18:04:17 +0400
@@ -40,6 +40,10 @@
 */
 #include "message.h"
 
+#define _GNU_SOURCE
+#include <errno.h>
+#include <error.h>
+#include <unistd.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -156,6 +160,7 @@
    char *baseDirectory;
    char *baseFilename;
 {
+#if 0
    char tempFilename[256];
    char *tempFilenameP;
    char tmpNameBuf[256];
@@ -208,6 +213,34 @@
    } 
    SMESSAGE(tempFilename)
    tempFilenameP = GV_XtNewString(tempFilename);
+#else
+   char *tempFilename;
+   char *tempFilenameP;
+   const char *tmpDir = baseDirectory; 
+   const char *tmpName = baseFilename;
+
+   BEGINMESSAGE(file_getTmpFilename)
+
+   if (!tmpDir)
+      tmpDir = getenv("TMPDIR")?:P_tmpdir;
+
+   if (tmpName)
+      tmpName = basename (tmpName);
+
+   if (asprintf (&tempFilename, "%s/%s.XXXXXX", tmpDir, tmpName) < 0)
+      error (EXIT_FAILURE, errno, "file_getTmpFilename: asprintf");
+
+   {
+      int fd = mkstemp (tempFilename);
+      if (fd < 0)
+         error (EXIT_FAILURE, errno, "file_getTmpFilename: mkstemp: %s", tempFilename);
+      close (fd);
+   }
+
+   SMESSAGE(tempFilename)
+   tempFilenameP = GV_XtNewString(tempFilename);
+   free (tempFilename);
+#endif
    ENDMESSAGE(file_getTmpFilename)
    return(tempFilenameP);
 }