#ifndef LINE_BUFFER_H_
#define LINE_BUFFER_H_
-int buffer_init(const char *filename);
-int buffer_deinit(void);
-char *buffer_read_line(void);
-char *buffer_read_string(uint32_t len);
-void buffer_copy_bytes(uint32_t len);
-void buffer_skip_bytes(uint32_t len);
-void buffer_reset(void);
+#include "strbuf.h"
+
+#define LINE_BUFFER_LEN 10000
+
+struct line_buffer {
+ char line_buffer[LINE_BUFFER_LEN];
+ FILE *infile;
+};
+#define LINE_BUFFER_INIT { "", NULL }
+
+int buffer_init(struct line_buffer *buf, const char *filename);
+int buffer_fdinit(struct line_buffer *buf, int fd);
+int buffer_deinit(struct line_buffer *buf);
+void buffer_reset(struct line_buffer *buf);
+
+int buffer_tmpfile_init(struct line_buffer *buf);
+FILE *buffer_tmpfile_rewind(struct line_buffer *buf); /* prepare to write. */
+long buffer_tmpfile_prepare_to_read(struct line_buffer *buf);
+
+int buffer_ferror(struct line_buffer *buf);
+char *buffer_read_line(struct line_buffer *buf);
+int buffer_read_char(struct line_buffer *buf);
+void buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, uint32_t len);
+/* Returns number of bytes read (not necessarily written). */
+off_t buffer_copy_bytes(struct line_buffer *buf, off_t len);
+off_t buffer_skip_bytes(struct line_buffer *buf, off_t len);
#endif