From e24091398d50961ece2fcb2924d7c37d329abc09 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Mon, 4 Jul 2016 11:58:13 -0600
Subject: [PATCH] tiny-printf: Support assert()
At present assert() is not supported with tiny-printf, so when DEBUG is
enabled a build error is generated for each assert().
Add an __assert_fail() function to correct this. It prints a message and
then hangs.
Signed-off-by: Simon Glass <sjg@chromium.org>
---
lib/tiny-printf.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c
index b334f053cc0..1aa43aba44b 100644
--- a/lib/tiny-printf.c
+++ b/lib/tiny-printf.c
@@ -185,3 +185,12 @@ int snprintf(char *buf, size_t size, const char *fmt, ...)
return ret;
}
+
+void __assert_fail(const char *assertion, const char *file, unsigned line,
+ const char *function)
+{
+ /* This will not return */
+ printf("%s:%u: %s: Assertion `%s' failed.", file, line, function,
+ assertion);
+ hang();
+}
--
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