tag.c: use 'ref-filter' data structures

diff --git a/strbuf.h b/strbuf.h
index 8c8f8d56f931442e1827b9a1f4e131584be344a5..aef2794651985b5c4177690f69a1ff0aac612d18 100644 (file)
--- a/strbuf.h
+++ b/strbuf.h
@@ -370,7 +370,7 @@ extern ssize_t strbuf_read(struct strbuf *, int fd, size_t hint);
  * Read the contents of a file, specified by its path. The third argument
  * can be used to give a hint about the file size, to avoid reallocs.
  */
-extern int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint);
+extern ssize_t strbuf_read_file(struct strbuf *sb, const char *path, size_t hint);
 
 /**
  * Read the target of a symbolic link, specified by its path.  The third