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From: Warner Losh <imp@FreeBSD.org>
Date: Fri, 3 Mar 2017 20:22:56 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r314616 - head/lib/libefivar
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Author: imp
Date: Fri Mar  3 20:22:56 2017
New Revision: 314616
URL: https://svnweb.freebsd.org/changeset/base/314616

Log:
  Only compile the known uuid table once.
  
  Sponsored by: Netflix

Modified:
  head/lib/libefivar/efivar.c

Modified: head/lib/libefivar/efivar.c
==============================================================================
--- head/lib/libefivar/efivar.c	Fri Mar  3 20:22:47 2017	(r314615)
+++ head/lib/libefivar/efivar.c	Fri Mar  3 20:22:56 2017	(r314616)
@@ -88,7 +88,10 @@ efi_guid_tbl_compile(void)
 {
 	size_t i;
 	uint32_t status;
+	static int done = 0;
 
+	if (done)
+		return;
 	for (i = 0; i < nitems(guid_tbl); i++) {
 		uuid_from_string(guid_tbl[i].uuid_str, &guid_tbl[i].guid,
 		    &status);
@@ -97,6 +100,7 @@ efi_guid_tbl_compile(void)
 			fprintf(stderr, "Can't convert %s to a uuid for %s: %d\n",
 			    guid_tbl[i].uuid_str, guid_tbl[i].name, (int)status);
 	}
+	done = 1;
 }
 
 int