scripts: bareboxcrc32 as host and target userspacetool

This patch adds the crc32 command to be build
as host and optionally as target tool.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 25 insertions, 0 deletions

diff --git a/scripts/compiler.h b/scripts/compiler.h
index 53f84b6d1b..0891c3bfa6 100644
--- a/scripts/compiler.h
+++ b/scripts/compiler.h
@@ -107,4 +107,29 @@ typedef uint32_t __u32;
 # define be64_to_cpu(x)		(x)
 #endif
 
+#define min(x, y) ({                            \
+	typeof(x) _min1 = (x);                  \
+	typeof(y) _min2 = (y);                  \
+	(void) (&_min1 == &_min2);              \
+	_min1 < _min2 ? _min1 : _min2; })
+
+inline void *xmalloc(size_t size)
+{
+	void *p = NULL;
+
+	if (!(p = malloc(size))) {
+		printf("ERROR: out of memory\n");
+		exit(1);
+	}
+
+	return p;
+}
+
+inline void *xzalloc(size_t size)
+{
+	void *p = xmalloc(size);
+	memset(p, 0, size);
+	return p;
+}
+
 #endif