Export git_buf_text_is_binary and git_buf_text_contains_nul.

So that users don’t need to implement binary detection themselves.

include/git2.h

@@ -13,6 +13,7 @@
 #include "git2/blame.h"
 #include "git2/branch.h"
 #include "git2/buffer.h"
+#include "git2/buf_text.h"
 #include "git2/checkout.h"
 #include "git2/cherrypick.h"
 #include "git2/clone.h"

include/git2/buf_text.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_git_buf_text_h__
+#define INCLUDE_git_buf_text_h__
+
+#include "common.h"
+#include "buffer.h"
+
+/**
+ * @file git2/buf_text.h
+ * @brief Buffer text export structure
+ *
+ * @ingroup Git
+ * @{
+ */
+GIT_BEGIN_DECL
+
+/**
+ * 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_text_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_text_contains_nul(const git_buf *buf);
+
+GIT_END_DECL
+
+/** @} */
+
+#endif

src/buf_text.c

@@ -176,7 +176,7 @@ int git_buf_text_common_prefix(git_buf *buf, const git_strarray *strings)
 	return 0;
 }
 
-bool git_buf_text_is_binary(const git_buf *buf)
+int git_buf_text_is_binary(const git_buf *buf)
 {
 	const char *scan = buf->ptr, *end = buf->ptr + buf->size;
 	git_bom_t bom;
@@ -201,7 +201,7 @@ bool git_buf_text_is_binary(const git_buf *buf)
 	return ((printable >> 7) < nonprintable);
 }
 
-bool git_buf_text_contains_nul(const git_buf *buf)
+int git_buf_text_contains_nul(const git_buf *buf)
 {
 	return (memchr(buf->ptr, '\0', buf->size) != NULL);
 }

src/buf_text.h

@@ -7,6 +7,7 @@
 #ifndef INCLUDE_buf_text_h__
 #define INCLUDE_buf_text_h__
 
+#include "git2/buf_text.h"
 #include "buffer.h"
 
 typedef enum {
@@ -77,22 +78,6 @@ extern int git_buf_text_lf_to_crlf(git_buf *tgt, const git_buf *src);
  */
 extern int git_buf_text_common_prefix(git_buf *buf, const git_strarray *strs);
 
-/**
- * Check quickly if buffer looks like it contains binary data
- *
- * @param buf Buffer to check
- * @return true if buffer looks like non-text data
- */
-extern bool git_buf_text_is_binary(const git_buf *buf);
-
-/**
- * Check quickly if buffer contains a NUL byte
- *
- * @param buf Buffer to check
- * @return true if buffer contains a NUL byte
- */
-extern bool git_buf_text_contains_nul(const git_buf *buf);
-
 /**
  * Check if a buffer begins with a UTF BOM
  *