Make fz_buffer structure private to fitz.

Move the definition of the structure contents into new fitz-imp.h
file. Make all code outside of fitz access the buffer through the
defined API.

Add a convenience API for people that want to get buffers as
null terminated C strings.

1 files changed, 15 insertions, 0 deletions

diff --git a/source/fitz/fitz-imp.h b/source/fitz/fitz-imp.h
new file mode 100644
index 00000000..9441aa9c
--- /dev/null
+++ b/source/fitz/fitz-imp.h
@@ -0,0 +1,15 @@
+#ifndef MUPDF_FITZ_IMP_H
+#define MUPDF_FITZ_IMP_H
+
+#include "mupdf/fitz.h"
+
+struct fz_buffer_s
+{
+	int refs;
+	unsigned char *data;
+	size_t cap, len;
+	int unused_bits;
+	int shared;
+};
+
+#endif