commit 209dd468fb233be5691639024212ff291da3f5b2
author Benjamin Peterson <benjamin@python.org> Thu Nov 27 20:39:02 2014 -0600
committer Benjamin Peterson <benjamin@python.org> Thu Nov 27 20:39:02 2014 -0600
tree 4c4bed972fd0d063eb59857d8bcb523693fd458e
parent eeab49a8a497b5ba44d712ed95e8d951a0b3e755

give a nice message when installer is launched w/o admin rights (closes #16561)

PC/bdist_wininst/install.c

diff --git a/PC/bdist_wininst/install.c b/PC/bdist_wininst/install.c
index 2b1deef..8b5be61 100644
--- a/PC/bdist_wininst/install.c
+++ b/PC/bdist_wininst/install.c
@@ -1742,6 +1742,16 @@
 
     sprintf(buffer, "%s\\%s-wininst.log", dir, meta_name);
     logfile = fopen(buffer, "a");
+    if (!logfile) {
+        char error[1024];
+
+        sprintf(error, "Can't create \"%s\" (%s).\n\n"
+                "Try to execute the installer as administrator.",
+                buffer, strerror(errno));
+        MessageBox(GetFocus(), error, NULL, MB_OK | MB_ICONSTOP);
+        return FALSE;
+    }
+
     time(&ltime);
     now = localtime(&ltime);
     strftime(buffer, sizeof(buffer),