1 files changed, 23 insertions, 2 deletions
diff --git a/lib/lanplus/lanplus_crypt_impl.c b/lib/lanplus/lanplus_crypt_impl.c
index 1daf230..389a436 100644
--- a/lib/lanplus/lanplus_crypt_impl.c
+++ b/lib/lanplus/lanplus_crypt_impl.c
@@ -41,7 +41,27 @@
 #include <openssl/err.h>
 #include <assert.h>
 
-
+#ifdef WIN32
+/* win_rand_filename 
+   Custom RAND_file_name routine to use better path than C:\ 
+   Use: %USERPROFILE%, %HOME%, %HOMEPATH%, 
+   USERPROFILE=C:\Users\acress
+   HOMEDRIVE=C:
+   HOMEPATH=\Users\acress
+ */
+char *win_rand_filename(char *buffer, int bufsz)
+{
+   char *root = "C:\\";
+   char *envpath = NULL;
+   
+   envpath = getenv("USERPROFILE");
+   if ((envpath == NULL) || (envpath[0] == '\0')) {
+		envpath = root;
+   }
+   snprintf(buffer,bufsz,"%s\\.rnd",envpath);
+   return(buffer);
+}
+#endif
 
 /*
  * lanplus_seed_prng
@@ -60,7 +80,8 @@ int lanplus_seed_prng(uint32_t bytes)
         char buffer[200];
         static FILE *fp = NULL;
         size_t i;
-        randfile = RAND_file_name(buffer, sizeof buffer); /* usu C:\.rnd */
+        // randfile = RAND_file_name(buffer, sizeof buffer); /* usu C:\.rnd */
+        randfile = win_rand_filename(buffer, sizeof buffer); 
         if ((randfile != NULL) && (fp == NULL)) {  
 		   fp = fopen(randfile,"r");  /*check the randfile*/
            if (fp == NULL) {   /*does not exist, create it*/