commit 948cc14e076b2165b646f941e1e6a51be1590c4c
from: Russ Cox <rsc@swtch.com>
date: Sun Jun 15 03:12:20 2008 UTC

vac: plan9 compatibility

commit - 62e69a48c7a6c5c2bc78b59be839977c3337dc56
commit + 948cc14e076b2165b646f941e1e6a51be1590c4c
blob - 035b27774ce3660735c5af110b3d8d941524f553
blob + 53cc95e3d65b51f55206b25b2c72f1d031c744f1
--- src/cmd/vac/file.c
+++ src/cmd/vac/file.c
@@ -952,7 +952,6 @@ filemetaalloc(VacFile *fp, VacDir *dir, u32int start)
 			start = 0;
 	}
 	
-	b = nil;
 	if(start > nb)
 		start = nb;
 	for(bo=start; bo<nb; bo++){
@@ -969,7 +968,6 @@ filemetaalloc(VacFile *fp, VacDir *dir, u32int start)
 			goto Found;
 		}
 		vtblockput(b);
-		b = nil;
 	}
 
 	/* No block found, extend the file by one metablock. */
@@ -1179,7 +1177,6 @@ vacfileflush(VacFile *f, int recursive)
 	 */
 	if(filelock(f) < 0)
 		return -1;
-	fileunlock(f);
 	vtfilelock(f->source, -1);
 	if(vtfileflush(f->source) < 0)
 		ret = -1;
@@ -1304,7 +1301,7 @@ vacfilecreate(VacFile *fp, char *elem, ulong mode)
 	dir->ctime = dir->mtime;
 	dir->atime = dir->mtime;
 	dir->mode = mode;
-	if((bo = filemetaalloc(fp, &ff->dir, NilBlock)) < 0)
+	if((bo = filemetaalloc(fp, &ff->dir, NilBlock)) == NilBlock)
 		goto Err;
 
 	/*
blob - 24165ae1d7b525be4c9fa2e166002d2a48e89b06
blob + d9c21c469b5145c090e4b00ca83b1c02e93e3f3d
--- src/cmd/vac/unvac.c
+++ src/cmd/vac/unvac.c
@@ -2,6 +2,10 @@
 #include <fcall.h>	/* dirmodefmt */
 #include "vac.h"
 
+#ifndef PLAN9PORT
+#pragma varargck type "t" ulong
+#endif
+
 VacFs *fs;
 int tostdout;
 int nwant;
@@ -160,12 +164,13 @@ unvac(VacFile *f, char *name, VacDir *vdir)
 				mode9 = vdir->mode&0777;
 				if(mode&ModeDir)
 					mode9 |= DMDIR;
-				if(mode&ModeLink)
-					mode9 |= DMSYMLINK;
 				if(mode&ModeAppend)
 					mode9 |= DMAPPEND;
 				if(mode&ModeExclusive)
 					mode9 |= DMEXCL;
+#ifdef PLAN9PORT
+				if(mode&ModeLink)
+					mode9 |= DMSYMLINK;
 				if(mode&ModeNamedPipe)
 					mode9 |= DMNAMEDPIPE;
 				if(mode&ModeSetUid)
@@ -174,6 +179,7 @@ unvac(VacFile *f, char *name, VacDir *vdir)
 					mode9 |= DMSETGID;
 				if(mode&ModeDevice)
 					mode9 |= DMDEVICE;
+#endif
 				print("%M %-10s %-10s %11lld %t %s\n",
 					mode9, vdir->uid, vdir->gid, vdir->size,
 					vdir->mtime, name);