grub2/0209-Add-grub_debug_enabled.patch

From 73a860b83bc81959baabceeec6e9a32102884a57 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Thu, 30 Nov 2017 15:11:39 -0500
Subject: [PATCH 209/227] Add grub_debug_enabled()

---
 grub-core/kern/misc.c | 21 ++++++++++++++++-----
 include/grub/misc.h   |  1 +
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
index 636f97e1ba1..e758ab3416d 100644
--- a/grub-core/kern/misc.c
+++ b/grub-core/kern/misc.c
@@ -159,17 +159,28 @@ int grub_err_printf (const char *fmt, ...)
 __attribute__ ((alias("grub_printf")));
 #endif
 
+int
+grub_debug_enabled (const char * condition)
+{
+  const char *debug;
+
+  debug = grub_env_get ("debug");
+  if (!debug)
+    return 0;
+
+  if (grub_strword (debug, "all") || grub_strword (debug, condition))
+    return 1;
+
+  return 0;
+}
+
 void
 grub_real_dprintf (const char *file, const int line, const char *condition,
 		   const char *fmt, ...)
 {
   va_list args;
-  const char *debug = grub_env_get ("debug");
 
-  if (! debug)
-    return;
-
-  if (grub_strword (debug, "all") || grub_strword (debug, condition))
+  if (grub_debug_enabled (condition))
     {
       grub_printf ("%s:%d: ", file, line);
       va_start (args, fmt);
diff --git a/include/grub/misc.h b/include/grub/misc.h
index 3d55bafd64e..493e328d968 100644
--- a/include/grub/misc.h
+++ b/include/grub/misc.h
@@ -367,6 +367,7 @@ grub_puts (const char *s)
 }
 
 int EXPORT_FUNC(grub_puts_) (const char *s);
+int EXPORT_FUNC(grub_debug_enabled) (const char *condition);
 void EXPORT_FUNC(grub_real_dprintf) (const char *file,
                                      const int line,
                                      const char *condition,
-- 
2.15.0