* Delete failed temp userfiles

src/mod/share.mod/share.c

@@ -1251,8 +1251,10 @@ write_tmp_userfile(char *fn, const struct userrec *bu, int idx)
   int ok = 1;
 
   if ((f = fopen(fn, "wb"))) {
-    if (real_writeuserfile(idx, bu, f, 1))
+    if (real_writeuserfile(idx, bu, f, 1)) {
+      unlink(fn);
       ok = 0;
+    }
     fclose(f);
     fixmod(fn);
   }

src/userrec.c

@@ -513,6 +513,7 @@ int write_userfile(int idx)
 
   if (real_writeuserfile(idx, userlist, f)) {
     putlog(LOG_MISC, "*", "ERROR writing user file. (%s)", strerror(ferror(f)));
+    unlink(new_userfile);
     fclose(f);
     free(new_userfile);
     return 3;