grub2/0172-Introduce-function-grub_debug_is_enabled-void-return.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Renaud=20M=C3=A9trich?= <rmetrich@redhat.com>
Date: Mon, 25 Nov 2019 09:29:53 +0100
Subject: [PATCH] Introduce function grub_debug_is_enabled(void) returning 1 if
 'debug' is in the environment and not empty
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Signed-off-by: Renaud Métrich <rmetrich@redhat.com>
---
 grub-core/kern/misc.c | 13 +++++++++++++
 include/grub/misc.h   |  1 +
 2 files changed, 14 insertions(+)

diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
index 9f54b6b7d2d..a186ad3dd41 100644
--- a/grub-core/kern/misc.c
+++ b/grub-core/kern/misc.c
@@ -163,6 +163,19 @@ int grub_err_printf (const char *fmt, ...)
 __attribute__ ((alias("grub_printf")));
 #endif
 
+/* Return 1 if 'debug' is set and not empty */
+int
+grub_debug_is_enabled (void)
+{
+  const char *debug;
+
+  debug = grub_env_get ("debug");
+  if (!debug || debug[0] == '\0')
+    return 0;
+
+  return 1;
+}
+
 int
 grub_debug_enabled (const char * condition)
 {
diff --git a/include/grub/misc.h b/include/grub/misc.h
index 3adc4036e3b..6c4aa85ac50 100644
--- a/include/grub/misc.h
+++ b/include/grub/misc.h
@@ -340,6 +340,7 @@ grub_puts (const char *s)
 }
 
 int EXPORT_FUNC(grub_puts_) (const char *s);
+int EXPORT_FUNC(grub_debug_is_enabled) (void);
 int EXPORT_FUNC(grub_debug_enabled) (const char *condition);
 void EXPORT_FUNC(grub_real_dprintf) (const char *file,
                                      const int line,