import bcd2char() and char2bcd() from OpenBSC

2 files changed, 17 insertions, 0 deletions

diff --git a/include/osmocore/utils.h b/include/osmocore/utils.h
index cf3b4607..51c6f035 100644
--- a/include/osmocore/utils.h
+++ b/include/osmocore/utils.h
@@ -13,5 +13,8 @@ struct value_string {
 const char *get_value_string(const struct value_string *vs, uint32_t val);
 int get_string_value(const struct value_string *vs, const char *str);
 
+char bcd2char(uint8_t bcd);
+/* only works for numbers in ascci */
+uint8_t char2bcd(char c);
 
 #endif
diff --git a/src/utils.c b/src/utils.c
index 0d878c7b..2a73d397 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -30,3 +30,17 @@ int get_string_value(const struct value_string *vs, const char *str)
 	}
 	return -EINVAL;
 }
+
+char bcd2char(uint8_t bcd)
+{
+	if (bcd < 0xa)
+		return '0' + bcd;
+	else
+		return 'A' + (bcd - 0xa);
+}
+
+/* only works for numbers in ascci */
+uint8_t char2bcd(char c)
+{
+	return c - 0x30;
+}