From: Martin Mares <mj@ucw.cz>
Date: Tue, 6 Jul 2004 11:18:27 +0000 (+0000)
Subject: Introduced bfilesize().
X-Git-Tag: holmes-import~962
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=be2907b0805c4d55f89657f07afda7e28bcbda02;p=libucw.git

Introduced bfilesize().
---

diff --git a/lib/fastbuf.c b/lib/fastbuf.c
index d2e08f86..85df8250 100644
--- a/lib/fastbuf.c
+++ b/lib/fastbuf.c
@@ -355,3 +355,15 @@ bskip(struct fastbuf *f, uns len)
       len -= l;
     }
 }
+
+sh_off_t
+bfilesize(struct fastbuf *f)
+{
+  if (!f)
+    return 0;
+  sh_off_t pos = btell(f);
+  bseek(f, 0, SEEK_END);
+  sh_off_t len = btell(f);
+  bsetpos(f, pos);
+  return len;
+}
diff --git a/lib/fastbuf.h b/lib/fastbuf.h
index 45ce0691..65245b62 100644
--- a/lib/fastbuf.h
+++ b/lib/fastbuf.h
@@ -122,6 +122,7 @@ void bseek(struct fastbuf *f, sh_off_t pos, int whence);
 void bsetpos(struct fastbuf *f, sh_off_t pos);
 void brewind(struct fastbuf *f);
 void bskip(struct fastbuf *f, uns len);
+sh_off_t bfilesize(struct fastbuf *f);
 
 static inline sh_off_t btell(struct fastbuf *f)
 {