thodg/libgit2

diff --git a/include/git2/buffer.h b/include/git2/buffer.h
index 36a61e6..1c216bf 100644
--- a/include/git2/buffer.h
+++ b/include/git2/buffer.h
@@ -105,6 +105,22 @@ GIT_EXTERN(int) git_buf_grow(git_buf *buffer, size_t target_size);
 GIT_EXTERN(int) git_buf_set(
 	git_buf *buffer, const void *data, size_t datalen);
 
+/**
+* Check quickly if buffer looks like it contains binary data
+*
+* @param buf Buffer to check
+* @return 1 if buffer looks like non-text data
+*/
+GIT_EXTERN(int) git_buf_is_binary(const git_buf *buf);
+
+/**
+* Check quickly if buffer contains a NUL byte
+*
+* @param buf Buffer to check
+* @return 1 if buffer contains a NUL byte
+*/
+GIT_EXTERN(int) git_buf_contains_nul(const git_buf *buf);
+
 GIT_END_DECL
 
 /** @} */
diff --git a/src/buffer.c b/src/buffer.c
index b8f8660..1bee9d7 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -7,6 +7,7 @@
 #include "buffer.h"
 #include "posix.h"
 #include "git2/buffer.h"
+#include "buf_text.h"
 #include <ctype.h>
 
 /* Used as default value for git_buf->ptr so that people can always
@@ -141,6 +142,16 @@ int git_buf_set(git_buf *buf, const void *data, size_t len)
 	return 0;
 }
 
+int git_buf_is_binary(const git_buf *buf)
+{
+	return git_buf_text_is_binary(buf);
+}
+
+int git_buf_contains_nul(const git_buf *buf)
+{
+	return git_buf_text_contains_nul(buf);
+}
+
 int git_buf_sets(git_buf *buf, const char *string)
 {
 	return git_buf_set(buf, string, string ? strlen(string) : 0);