From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 12 Sep 2019 06:45:32 +0000 (-0700)
Subject: Improve error reporting for DOC file problems
X-Git-Tag: emacs-27.0.90~1551^2~94
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=ffa870fc806451b9bd4504bebbf9085f4b4c0be8;p=emacs.git

Improve error reporting for DOC file problems

* src/doc.c (get_doc_string): Report all serious errors
when DOC cannot be opened, not just fd-exhaustion errors.
---

diff --git a/src/doc.c b/src/doc.c
index 247be79adaf..b06b87c6114 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -136,7 +136,7 @@ get_doc_string (Lisp_Object filepos, bool unibyte, bool definition)
 	}
       if (fd < 0)
 	{
-	  if (errno == EMFILE || errno == ENFILE)
+	  if (errno != ENOENT && errno != ENOTDIR)
 	    report_file_error ("Read error on documentation file", file);
 
 	  SAFE_FREE ();