From: Martin Mares <mj@ucw.cz>
Date: Fri, 16 Jan 2004 14:16:00 +0000 (+0000)
Subject: The combination of bflush() with bsetpos() to the beginning is a very
X-Git-Tag: holmes-import~1137
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=dfbf964395a2d01f4089138b4d9ecdd204a7e8c7;p=libucw.git

The combination of bflush() with bsetpos() to the beginning is a very
common idiom. Make it a library function brewind().
---

diff --git a/lib/fastbuf.c b/lib/fastbuf.c
index 0929f101..bf887a18 100644
--- a/lib/fastbuf.c
+++ b/lib/fastbuf.c
@@ -1,7 +1,7 @@
 /*
  *	Sherlock Library -- Fast Buffered I/O
  *
- *	(c) 1997--2000 Martin Mares <mj@ucw.cz>
+ *	(c) 1997--2004 Martin Mares <mj@ucw.cz>
  *
  *	This software may be freely distributed and used according to the terms
  *	of the GNU Lesser General Public License.
@@ -335,3 +335,10 @@ bconfig(struct fastbuf *f, uns item, int value)
 {
   return f->config ? f->config(f, item, value) : -1;
 }
+
+void
+brewind(struct fastbuf *f)
+{
+  bflush(f);
+  bsetpos(f, 0);
+}
diff --git a/lib/fastbuf.h b/lib/fastbuf.h
index 266ea220..7d4ac407 100644
--- a/lib/fastbuf.h
+++ b/lib/fastbuf.h
@@ -1,7 +1,7 @@
 /*
  *	Sherlock Library -- Fast Buffered I/O
  *
- *	(c) 1997--2002 Martin Mares <mj@ucw.cz>
+ *	(c) 1997--2004 Martin Mares <mj@ucw.cz>
  *
  *	This software may be freely distributed and used according to the terms
  *	of the GNU Lesser General Public License.
@@ -108,6 +108,7 @@ void bclose(struct fastbuf *f);
 void bflush(struct fastbuf *f);
 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);
 
 static inline sh_off_t btell(struct fastbuf *f)
 {