From 29bbe71ccfef3440b4881259c6f8e39b6e7924c6 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
Date: Thu, 8 Jul 2021 15:57:34 +0200
Subject: lib: wrap crypt API to hide errno usage

In order to prevent using the global errno, replace it with a static
version and create a wrapper function which returns the error value.

Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
---
 include/crypt.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/crypt.h b/include/crypt.h
index e0be2832ff2..f18a1705d4d 100644
--- a/include/crypt.h
+++ b/include/crypt.h
@@ -9,5 +9,6 @@
  * @equal       Pointer to an int where the result is stored
  *                 '0' = unequal
  *                 '1' = equal
+ * @return 0 on success, error code of errno else
  */
-void crypt_compare(const char *should, const char *passphrase, int *equal);
+int crypt_compare(const char *should, const char *passphrase, int *equal);
-- 
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