From 130b1e17297f3853c31521e323517eb6dee17c4a Mon Sep 17 00:00:00 2001
From: nishi <nishi@d4a5a174-5a4a-5b4b-b672-37683c10d7d5>
Date: Sat, 18 May 2024 17:09:52 +0000
Subject: [PATCH] make lock work on linux too

git-svn-id: file:///raid/svn-main/nishi-dataworks/trunk@36 d4a5a174-5a4a-5b4b-b672-37683c10d7d5
---
 Library/util.c | 6 ++++--
 common-decl.mk | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Library/util.c b/Library/util.c
index cb47e65..9273a17 100644
--- a/Library/util.c
+++ b/Library/util.c
@@ -51,7 +51,8 @@ bool __dw_lockfile(FILE* fp){
 	OVERLAPPED overlap = {0};
 	LockFileEx(fp, LOCKFILE_EXCLUSIVE_LOCK, 0, MAXDWORD, MAXDWORD, &overlap);
 #else
-	lockf(fp, F_LOCK);
+	fseek(fp, SEEK_SET, 0);
+	lockf(fileno(fp), F_LOCK, 0);
 #endif
 	return false;
 }
@@ -61,7 +62,8 @@ bool __dw_unlockfile(FILE* fp){
 	OVERLAPPED overlap = {0};
 	UnlockFileEx(fp, 0, MAXDWORD, MAXDWORD, &overlap);
 #else
-	lockf(fp, F_ULOCK);
+	fseek(fp, SEEK_SET, 0);
+	lockf(fileno(fp), F_ULOCK, 0);
 #endif
 	return false;
 }
diff --git a/common-decl.mk b/common-decl.mk
index 03d5677..ea523c7 100644
--- a/common-decl.mk
+++ b/common-decl.mk
@@ -1,7 +1,7 @@
 # $Id$
 
 CC = cc
-CFLAGS = -std=c99
+CFLAGS = -std=c99 -D_DEFAULT_SOURCE
 LDFLAGS = -L`pwd`/Library
 LIBS =
 LIB_PREFIX = lib
-- 
2.43.0