cbfstool: Add bintohex function
We need to emit some hex strings.
Change-Id: I9e7e184282f6ad0470f2e269f5dc874e78f8b697
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/11766
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/util/cbfstool/common.h b/util/cbfstool/common.h
index 8073d12..86ae484 100644
--- a/util/cbfstool/common.h
+++ b/util/cbfstool/common.h
@@ -210,4 +210,11 @@
size_t bgets(struct buffer *input, void *output, size_t len);
size_t bputs(struct buffer *b, const void *data, size_t len);
+/* Returns a 0-terminated string containing a hex representation of
+ * len bytes starting at data.
+ * The string is malloc'd and it's the caller's responsibility to free
+ * the memory.
+ * On error, bintohex returns NULL.
+ */
+char *bintohex(uint8_t *data, size_t len);
#endif