cbfstool: add bputs() to store a byte stream to a buffer
There was already a bgets() function which operates on a buffer to
copy a byte stream. Provide bputs() to store a byte stream to a
buffer, thus making the API symmetrical.
Change-Id: I6166f6b68eacb822da38c9da61a3e44f4c67136d
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/5366
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/util/cbfstool/common.h b/util/cbfstool/common.h
index 16e75f9..d0069c3 100644
--- a/util/cbfstool/common.h
+++ b/util/cbfstool/common.h
@@ -112,6 +112,7 @@
/* xdr.c */
extern struct xdr xdr_le, xdr_be;
-int bgets(struct buffer *input, void *output, size_t len);
+size_t bgets(struct buffer *input, void *output, size_t len);
+size_t bputs(struct buffer *b, const void *data, size_t len);
#endif
diff --git a/util/cbfstool/xdr.c b/util/cbfstool/xdr.c
index e2cafd1..df2c4ba 100644
--- a/util/cbfstool/xdr.c
+++ b/util/cbfstool/xdr.c
@@ -25,7 +25,7 @@
#include <stdint.h>
#include "common.h"
-int bgets(struct buffer *input, void *output, size_t len)
+size_t bgets(struct buffer *input, void *output, size_t len)
{
len = input->size < len ? input->size : len;
memmove(output, input->data, len);
@@ -34,6 +34,13 @@
return len;
}
+size_t bputs(struct buffer *b, const void *data, size_t len)
+{
+ memmove(&b->data[b->size], data, len);
+ b->size += len;
+ return len;
+}
+
/* The assumption in all this code is that we're given a pointer to enough data.
* Hence, we do not check for underflow.
*/