[coreboot-gerrit] Patch set updated for coreboot: cbfstool: Add bintohex function
Patrick Georgi (pgeorgi@google.com)
gerrit at coreboot.org
Thu Oct 1 14:36:50 CET 2015
Patrick Georgi (pgeorgi at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/11766
-gerrit
commit 1ca43d48f8b7ed4fdcf8b72e74650814954676de
Author: Patrick Georgi <patrick at georgi-clan.de>
Date: Thu Oct 1 15:52:56 2015 +0200
cbfstool: Add bintohex function
We need to emit some hex strings.
Change-Id: I9e7e184282f6ad0470f2e269f5dc874e78f8b697
Signed-off-by: Patrick Georgi <patrick at georgi-clan.de>
---
util/cbfstool/common.c | 17 +++++++++++++++++
util/cbfstool/common.h | 7 +++++++
2 files changed, 24 insertions(+)
diff --git a/util/cbfstool/common.c b/util/cbfstool/common.c
index e0474b3..7e36b7f 100644
--- a/util/cbfstool/common.c
+++ b/util/cbfstool/common.c
@@ -196,3 +196,20 @@ uint64_t intfiletype(const char *name)
return filetypes[i].type;
return -1;
}
+
+char *bintohex(uint8_t *data, size_t len)
+{
+ static const char translate[16] = "0123456789abcdef";
+
+ char *result = malloc(len * 2 + 1);
+ if (result == NULL)
+ return NULL;
+
+ result[len*2] = '\0';
+ unsigned int i;
+ for (i = 0; i < len; i++) {
+ result[i*2] = translate[(data[i] >> 4) & 0xf];
+ result[i*2+1] = translate[data[i] & 0xf];
+ }
+ return result;
+}
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 @@ extern struct xdr xdr_le, xdr_be;
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
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