vendor/libgit2/src/signature.c in rugged-0.25.0b2 vs vendor/libgit2/src/signature.c in rugged-0.25.0b3

@@ -198,11 +198,12 @@
 	const char *buffer = *buffer_out;
 	const char *email_start, *email_end;
 
 	memset(sig, 0, sizeof(git_signature));
 
-	if ((buffer_end = memchr(buffer, ender, buffer_end - buffer)) == NULL)
+	if (ender &&
+		(buffer_end = memchr(buffer, ender, buffer_end - buffer)) == NULL)
 		return signature_error("no newline given");
 
 	if (header) {
 		const size_t header_len = strlen(header);
 
@@ -258,9 +259,33 @@
 		}
 	}
 
 	*buffer_out = buffer_end + 1;
 	return 0;
+}
+
+int git_signature_from_buffer(git_signature **out, const char *buf)
+{
+	git_signature *sig;
+	const char *buf_end;
+	int error;
+
+	assert(out && buf);
+
+	*out = NULL;
+
+	sig = git__calloc(1, sizeof(git_signature));
+	GITERR_CHECK_ALLOC(sig);
+
+	buf_end = buf + strlen(buf);
+	error = git_signature__parse(sig, &buf, buf_end, NULL, '\0');
+
+	if (error)
+		git__free(sig);
+	else
+		*out = sig;
+
+	return error;
 }
 
 void git_signature__writebuf(git_buf *buf, const char *header, const git_signature *sig)
 {
 	int offset, hours, mins;