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Overview
Comment:Permit the 'test_fs' test module to be compiled and used on MinGW.
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SHA1: ac27f38eef7a241d56124c263d9f8c91f372a77f
User & Date: mistachkin 2016-01-05 01:48:29
Context
2016-01-05
03:39
Another attempt to get reuse of excess opcode array space working correctly on all architectures and platforms. (check-in: 2f858374 user: drh tags: trunk)
01:48
Permit the 'test_fs' test module to be compiled and used on MinGW. (check-in: ac27f38e user: mistachkin tags: trunk)
2016-01-04
23:43
Fix a corner case in the opcode-array reuse logic where the number of bytes of reusable space might be computed to be a negative number, due to unusual system alignment restrictions and rounding error. (check-in: 1aa53014 user: drh tags: trunk)
Changes
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Changes to src/test_fs.c. 

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#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#if SQLITE_OS_UNIX
# include <unistd.h>
# include <dirent.h>
# ifndef DIRENT
#  define DIRENT dirent
# endif
#endif
#if SQLITE_OS_WIN
# include <io.h>

# include "test_windirent.h"

# ifndef S_ISREG
#  define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
# endif
#endif

#ifndef SQLITE_OMIT_VIRTUALTABLE

................................................................................
** Skip the cursor to the next entry.
*/
static int fsdirNext(sqlite3_vtab_cursor *cur){
  FsdirCsr *pCsr = (FsdirCsr*)cur;

  if( pCsr->pDir ){
    struct DIRENT *pRes = 0;






    readdir_r(pCsr->pDir, &pCsr->entry, &pRes);

    if( pRes==0 ){
      closedir(pCsr->pDir);
      pCsr->pDir = 0;
    }
    pCsr->iRowid++;
  }









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#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#if SQLITE_OS_UNIX || defined(__MINGW_H)
# include <unistd.h>
# include <dirent.h>
# ifndef DIRENT
#  define DIRENT dirent
# endif
#endif
#if SQLITE_OS_WIN
# include <io.h>
# if !defined(__MINGW_H)
#  include "test_windirent.h"
# endif
# ifndef S_ISREG
#  define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
# endif
#endif

#ifndef SQLITE_OMIT_VIRTUALTABLE

................................................................................
** Skip the cursor to the next entry.
*/
static int fsdirNext(sqlite3_vtab_cursor *cur){
  FsdirCsr *pCsr = (FsdirCsr*)cur;

  if( pCsr->pDir ){
    struct DIRENT *pRes = 0;
#if defined(__MINGW_H)
    pRes = readdir(pCsr->pDir);
    if( pRes!=0 ){
      memcpy(&pCsr->entry, pRes, sizeof(struct DIRENT));
    }
#else
    readdir_r(pCsr->pDir, &pCsr->entry, &pRes);
#endif
    if( pRes==0 ){
      closedir(pCsr->pDir);
      pCsr->pDir = 0;
    }
    pCsr->iRowid++;
  }

Changes to test/vtabH.test. 

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  CREATE TABLE t6(a, b TEXT);
  CREATE INDEX i6 ON t6(b, a);
  CREATE VIRTUAL TABLE e6 USING echo(t6);
}

foreach {tn sql expect} {
  1 "SELECT * FROM e6 WHERE b LIKE 'abc'" {
    xBestIndex {SELECT rowid, a, b FROM 't6' WHERE b like ?} 
    xFilter {SELECT rowid, a, b FROM 't6' WHERE b like ?} abc
  }

  2 "SELECT * FROM e6 WHERE b GLOB 'abc'" {
    xBestIndex {SELECT rowid, a, b FROM 't6' WHERE b glob ?} 
    xFilter {SELECT rowid, a, b FROM 't6' WHERE b glob ?} abc
  }
} {
  do_test 1.$tn {
    set echo_module {}
    execsql $sql
    set ::echo_module
................................................................................
if {1} {
  reset_db
  register_fs_module db
  do_execsql_test 3.0 {
    SELECT name FROM fsdir WHERE dir = '.' AND name = 'test.db';
    SELECT name FROM fsdir WHERE dir = '.' AND name = '.'
  } {test.db .}
  
  proc list_root_files {} {
    if {$::tcl_platform(platform) eq "windows"} {
      set res [list]
      foreach name [glob -directory $::env(SystemDrive)/ -- *] {
        if {[string index [file tail $name] 0] eq "."} continue
        lappend res $name
      }
................................................................................
      }
      return $res
    } else {
      return [glob -nocomplain $pattern]
    }
  }

  # Read the first 5 entries from the root directory.  Except, ignore
  # files that contain the "$" character in their names as these are
  # special files on some Windows platforms.
  #
  set res [list]
  foreach p [lrange [list_root_files] 0 4] {
    if {$::tcl_platform(platform) eq "windows"} {
      if {![regexp {\$} $p]} {lappend res $p}
    } else {
      lappend res "/$p"
    }
  }
  do_execsql_test 3.1 {
    SELECT path FROM fstree WHERE path NOT GLOB '*$*' LIMIT 5;
  } $res
  
  # Read all entries in the current directory.
  #
  proc contents {pattern} {
    set res [list]
    foreach f [list_files $pattern] {
      lappend res $f
      if {[file isdir $f]} {
................................................................................
    set res
  }
  set pwd "[pwd]/*"
  set res [contents $pwd]
  do_execsql_test 3.2 {
    SELECT path FROM fstree WHERE path GLOB $pwd ORDER BY 1
  } [lsort $res]
  
  # Add some sub-directories and files to the current directory.
  #
  do_test 3.3 {
    catch { file delete -force subdir }
    foreach {path sz} {
      subdir/x1.txt     143
      subdir/x2.txt     153
    } { 
      set dir [file dirname $path]
      catch { file mkdir $dir }
      set fd [open $path w]
      puts -nonewline $fd [string repeat 1 $sz]
      close $fd
    }
  } {}
  
  set pwd [pwd]
  do_execsql_test 3.5 {
    SELECT path, size FROM fstree WHERE path GLOB $pwd || '/subdir/*' ORDER BY 1
  } [list \
    "$pwd/subdir/x1.txt" 143 \
    "$pwd/subdir/x2.txt" 153 \
  ]








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  CREATE TABLE t6(a, b TEXT);
  CREATE INDEX i6 ON t6(b, a);
  CREATE VIRTUAL TABLE e6 USING echo(t6);
}

foreach {tn sql expect} {
  1 "SELECT * FROM e6 WHERE b LIKE 'abc'" {
    xBestIndex {SELECT rowid, a, b FROM 't6' WHERE b like ?}
    xFilter {SELECT rowid, a, b FROM 't6' WHERE b like ?} abc
  }

  2 "SELECT * FROM e6 WHERE b GLOB 'abc'" {
    xBestIndex {SELECT rowid, a, b FROM 't6' WHERE b glob ?}
    xFilter {SELECT rowid, a, b FROM 't6' WHERE b glob ?} abc
  }
} {
  do_test 1.$tn {
    set echo_module {}
    execsql $sql
    set ::echo_module
................................................................................
if {1} {
  reset_db
  register_fs_module db
  do_execsql_test 3.0 {
    SELECT name FROM fsdir WHERE dir = '.' AND name = 'test.db';
    SELECT name FROM fsdir WHERE dir = '.' AND name = '.'
  } {test.db .}

  proc list_root_files {} {
    if {$::tcl_platform(platform) eq "windows"} {
      set res [list]
      foreach name [glob -directory $::env(SystemDrive)/ -- *] {
        if {[string index [file tail $name] 0] eq "."} continue
        lappend res $name
      }
................................................................................
      }
      return $res
    } else {
      return [glob -nocomplain $pattern]
    }
  }

















  # Read all entries in the current directory.
  #
  proc contents {pattern} {
    set res [list]
    foreach f [list_files $pattern] {
      lappend res $f
      if {[file isdir $f]} {
................................................................................
    set res
  }
  set pwd "[pwd]/*"
  set res [contents $pwd]
  do_execsql_test 3.2 {
    SELECT path FROM fstree WHERE path GLOB $pwd ORDER BY 1
  } [lsort $res]

  # Add some sub-directories and files to the current directory.
  #
  do_test 3.3 {
    catch { file delete -force subdir }
    foreach {path sz} {
      subdir/x1.txt     143
      subdir/x2.txt     153
    } {
      set dir [file dirname $path]
      catch { file mkdir $dir }
      set fd [open $path w]
      puts -nonewline $fd [string repeat 1 $sz]
      close $fd
    }
  } {}

  set pwd [pwd]
  do_execsql_test 3.5 {
    SELECT path, size FROM fstree WHERE path GLOB $pwd || '/subdir/*' ORDER BY 1
  } [list \
    "$pwd/subdir/x1.txt" 143 \
    "$pwd/subdir/x2.txt" 153 \
  ]

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