-static char tmpbuf[128];
-static char* mktmpname(char*ptr) {
-// used to be mktemp. This does remove the warnings, but
-// It's not exactly an improvement.
+
+static char* getTempDir()
+{
+#ifdef WIN32
+ char*dir = getenv("TMP");
+ if(!dir) dir = getenv("TEMP");
+ if(!dir) dir = getenv("tmp");
+ if(!dir) dir = getenv("temp");
+ if(!dir) dir = "C:\\";
+#else
+ char* dir = "/tmp/";
+#endif
+ return dir;
+}
+
+char* mktmpname(char*ptr) {
+ static char tmpbuf[128];
+ char*dir = getTempDir();
+ int l = strlen(dir);
+ char*sep = "";
+ if(!ptr)
+ ptr = tmpbuf;
+ if(l && dir[l-1]!='/' && dir[l-1]!='\\') {
+#ifdef WIN32
+ sep = "\\";
+#else
+ sep = "/";
+#endif
+ }
+
+ // used to be mktemp. This does remove the warnings, but
+ // It's not exactly an improvement.