commit-graph: return with errors during write

diff --git a/vcs-svn/line_buffer.h b/vcs-svn/line_buffer.h
index d0b22dda76e8a193f15fa5483abd217cdde101da..e192aedea2964e9045f9e71fa95863b9fc03d8c9 100644 (file)
--- a/vcs-svn/line_buffer.h
+++ b/vcs-svn/line_buffer.h
@@ -1,5 +1,5 @@
-#ifndef LINE_BUFFER_H_
-#define LINE_BUFFER_H_
+#ifndef LINE_BUFFER_H
+#define LINE_BUFFER_H
 
 #include "strbuf.h"
 
@@ -14,7 +14,6 @@ struct line_buffer {
 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. */
@@ -23,7 +22,7 @@ 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);
+size_t buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, size_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);