From dc27851e21a94a0200bace098f61ec6deb4b427a Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Mon, 7 Dec 2015 18:18:33 +0000
Subject: [PATCH] Fix the openDirectory() routine in the unix VFS so that it
 works for databases located in the root of the filesystem and for database
 files that have no pathname at all.

FossilOrigin-Name: e7ae120d04cffafd9bc2b4ecd68571c17e05ed72
---
 manifest      | 12 ++++++------
 manifest.uuid |  2 +-
 src/os_unix.c | 15 +++++++++------
 3 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/manifest b/manifest
index 35182fc887..1054bbef33 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Changes\sto\savoid\sobscure,\stheoretical\sundefined\sbehavior.\sThis\sis\spreventative\nmeasures\sonly\s-\sno\sactual\sproblems\sobserved\son\stested\scompilers.
-D 2015-12-07T16:43:44.102
+C Fix\sthe\sopenDirectory()\sroutine\sin\sthe\sunix\sVFS\sso\sthat\sit\sworks\sfor\sdatabases\nlocated\sin\sthe\sroot\sof\sthe\sfilesystem\sand\sfor\sdatabase\sfiles\sthat\shave\sno\npathname\sat\sall.
+D 2015-12-07T18:18:33.086
 F Makefile.in 28bcd6149e050dff35d4dcfd97e890cd387a499d
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc e8fdca1cb89a1b58b5f4d3a130ea9a3d28cb314d
@@ -323,7 +323,7 @@ F src/os.c 8fd25588eeba74068d41102d26810e216999b6c8
 F src/os.h 3e57a24e2794a94d3cf2342c6d9a884888cd96bf
 F src/os_common.h abdb9a191a367793268fe553d25bab894e986a0e
 F src/os_setup.h c9d4553b5aaa6f73391448b265b89bed0b890faa
-F src/os_unix.c 2563734669b06432cea640cbb4f7e9d543f227b9
+F src/os_unix.c 0ca6d8710366fbb01a275160f018334cd347cbda
 F src/os_win.c 386fba30419e8458b13209781c2af5590eab2811
 F src/os_win.h eb7a47aa17b26b77eb97e4823f20a00b8bda12ca
 F src/pager.c f92aacd5216d8815136c9e0190041783c602641a
@@ -1408,7 +1408,7 @@ F tool/vdbe_profile.tcl 246d0da094856d72d2c12efec03250d71639d19f
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 4ecbc75b465533cf80e166a9d0879b9afd3fe2be
-R 52003d35f295f961555bc017c6dea8be
+P a9e819082ba19e72db03bba37edfb7702ff489a5
+R 24074b14133d8cbad307bf1c20e69806
 U drh
-Z df68b9901f4a3c159da303c7427e83e3
+Z bce64672fed9a01eb65d3786fa37a9f1
diff --git a/manifest.uuid b/manifest.uuid
index 72ed16cea5..dc8c28b89e 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-a9e819082ba19e72db03bba37edfb7702ff489a5
\ No newline at end of file
+e7ae120d04cffafd9bc2b4ecd68571c17e05ed72
\ No newline at end of file
diff --git a/src/os_unix.c b/src/os_unix.c
index beaac0d15d..791ba5d8d9 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -3465,13 +3465,16 @@ static int openDirectory(const char *zFilename, int *pFd){
   char zDirname[MAX_PATHNAME+1];
 
   sqlite3_snprintf(MAX_PATHNAME, zDirname, "%s", zFilename);
-  for(ii=(int)strlen(zDirname); ii>1 && zDirname[ii]!='/'; ii--);
-  if( ii>1 ){
+  for(ii=(int)strlen(zDirname); ii>0 && zDirname[ii]!='/'; ii--);
+  if( ii>0 ){
     zDirname[ii] = '\0';
-    fd = robust_open(zDirname, O_RDONLY|O_BINARY, 0);
-    if( fd>=0 ){
-      OSTRACE(("OPENDIR %-3d %s\n", fd, zDirname));
-    }
+  }else{
+    if( zDirname[0]!='/' ) zDirname[0] = '.';
+    zDirname[1] = 0;
+  }
+  fd = robust_open(zDirname, O_RDONLY|O_BINARY, 0);
+  if( fd>=0 ){
+    OSTRACE(("OPENDIR %-3d %s\n", fd, zDirname));
   }
   *pFd = fd;
   if( fd>=0 ) return SQLITE_OK;
-- 
2.47.3