From: Martin Mares <mj@ucw.cz>
Date: Sat, 25 Aug 2007 14:19:01 +0000 (+0200)
Subject: Shared file handles now use is_temp_file == 2 instead of -1
X-Git-Tag: holmes-import~506^2~13^2~82
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=91d17c7ed0cebbf992028b704e5ee4f14cce57ad;p=libucw.git

Shared file handles now use is_temp_file == 2 instead of -1
to avoid collisions with negative return values of bconfig()
meaning "not supported".
---

diff --git a/lib/fastbuf.h b/lib/fastbuf.h
index c763f243..920d83eb 100644
--- a/lib/fastbuf.h
+++ b/lib/fastbuf.h
@@ -187,7 +187,7 @@ fbatomic_commit(struct fastbuf *b)
 /* Configuring stream parameters */
 
 enum bconfig_type {
-  BCONFIG_IS_TEMP_FILE,			/* 0=normal file, 1=temporary file, -1=shared fd */
+  BCONFIG_IS_TEMP_FILE,			/* 0=normal file, 1=temporary file, 2=shared fd */
   BCONFIG_KEEP_BACK_BUF,		/* Optimize for bi-directional access */
 };
 
diff --git a/lib/fb-param.c b/lib/fb-param.c
index bbe9e340..11cd258c 100644
--- a/lib/fb-param.c
+++ b/lib/fb-param.c
@@ -164,7 +164,7 @@ struct fastbuf *
 bfdopen_shared(int fd, uns buflen)
 {
   struct fastbuf *f = bfdopen(fd, buflen);
-  bconfig(f, BCONFIG_IS_TEMP_FILE, -1);
+  bconfig(f, BCONFIG_IS_TEMP_FILE, 2);
   return f;
 }