Add helper functions for uint32_t in octet strings

1 files changed, 13 insertions, 0 deletions

diff --git a/src/asn1helpers.c b/src/asn1helpers.c
index 25f4af4..638cdb6 100644
--- a/src/asn1helpers.c
+++ b/src/asn1helpers.c
@@ -90,6 +90,13 @@ int BIT_STRING_fromBuf(BIT_STRING_t *st, const uint8_t *str, unsigned int bit_le
 	return 0;
 }
 
+void asn1_u32_to_str(OCTET_STRING_t *str, uint32_t *buf, uint32_t in)
+{
+	*buf = htonl(in);
+	str->buf = (uint8_t *) buf;
+	str->size = sizeof(uint32_t);
+}
+
 void asn1_u16_to_str(OCTET_STRING_t *str, uint16_t *buf, uint16_t in)
 {
 	*buf = htons(in);
@@ -117,6 +124,12 @@ int asn1_strncpy(char *out, const OCTET_STRING_t *in, size_t n)
 	return cpylen;
 }
 
+uint32_t asn1str_to_u32(const OCTET_STRING_t *in)
+{
+	OSMO_ASSERT(in && in->size == sizeof(uint32_t));
+	return ntohl(*(uint32_t *)in->buf);
+}
+
 uint16_t asn1str_to_u16(const OCTET_STRING_t *in)
 {
 	OSMO_ASSERT(in && in->size == sizeof(uint16_t));