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Overview
Comment:Suppress some compiler warnings (where possible). Ticket #3696. (CVS 6331)
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SHA1:a2373e5409e4e59903f315a4446db8cb6ba000cc
User & Date: drh 2009-03-01 22:29:20
Context
2009-03-02
01:22
Fix a bug in the GROUP BY alias name resolution. The bug was by check-in (6305). Discovered by regression test on 64-bit linux. Test cases added so that the problems is detected on 32-bit systems. (CVS 6332) check-in: fa000850 user: drh tags: trunk
2009-03-01
22:29
Suppress some compiler warnings (where possible). Ticket #3696. (CVS 6331) check-in: a2373e54 user: drh tags: trunk
19:42
Fix a critical bug in the VDBE opcode array resizer introduced by check-in (6307). Bug detected by regression testing. (CVS 6330) check-in: ec3b18ac user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/os_unix.c.

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**   *  Definitions of sqlite3_io_methods objects for all locking
**      methods plus "finder" functions for each locking method.
**   *  sqlite3_vfs method implementations.
**   *  Locking primitives for the proxy uber-locking-method. (MacOSX only)
**   *  Definitions of sqlite3_vfs objects for all locking methods
**      plus implementations of sqlite3_os_init() and sqlite3_os_end().
**
** $Id: os_unix.c,v 1.241 2009/02/09 17:34:07 drh Exp $
*/
#include "sqliteInt.h"
#if SQLITE_OS_UNIX              /* This file is used on unix only */

/*
** There are various methods for file locking used for concurrency
** control:
................................................................................
static int unixSleep(sqlite3_vfs *NotUsed, int microseconds){
#if OS_VXWORKS
  struct timespec sp;

  sp.tv_sec = microseconds / 1000000;
  sp.tv_nsec = (microseconds % 1000000) * 1000;
  nanosleep(&sp, NULL);

  return microseconds;
#elif defined(HAVE_USLEEP) && HAVE_USLEEP
  usleep(microseconds);

  return microseconds;
#else
  int seconds = (microseconds+999999)/1000000;
  sleep(seconds);

  return seconds*1000000;
#endif
  UNUSED_PARAMETER(NotUsed);
}

/*
** The following variable, if set to a non-zero value, is interpreted as
** the number of seconds since 1970 and is used to set the result of
** sqlite3OsCurrentTime() during testing.
*/







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**   *  Definitions of sqlite3_io_methods objects for all locking
**      methods plus "finder" functions for each locking method.
**   *  sqlite3_vfs method implementations.
**   *  Locking primitives for the proxy uber-locking-method. (MacOSX only)
**   *  Definitions of sqlite3_vfs objects for all locking methods
**      plus implementations of sqlite3_os_init() and sqlite3_os_end().
**
** $Id: os_unix.c,v 1.242 2009/03/01 22:29:20 drh Exp $
*/
#include "sqliteInt.h"
#if SQLITE_OS_UNIX              /* This file is used on unix only */

/*
** There are various methods for file locking used for concurrency
** control:
................................................................................
static int unixSleep(sqlite3_vfs *NotUsed, int microseconds){
#if OS_VXWORKS
  struct timespec sp;

  sp.tv_sec = microseconds / 1000000;
  sp.tv_nsec = (microseconds % 1000000) * 1000;
  nanosleep(&sp, NULL);
  UNUSED_PARAMETER(NotUsed);
  return microseconds;
#elif defined(HAVE_USLEEP) && HAVE_USLEEP
  usleep(microseconds);
  UNUSED_PARAMETER(NotUsed);
  return microseconds;
#else
  int seconds = (microseconds+999999)/1000000;
  sleep(seconds);
  UNUSED_PARAMETER(NotUsed);
  return seconds*1000000;
#endif

}

/*
** The following variable, if set to a non-zero value, is interpreted as
** the number of seconds since 1970 and is used to set the result of
** sqlite3OsCurrentTime() during testing.
*/

Changes to src/util.c.

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**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.248 2009/02/04 03:59:25 shane Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>

/*
** Routine needed to support the testcase() macro.
*/
................................................................................

  p++;
  a = a<<14;
  a |= *p;
  /* a: p2<<28 | p4<<14 | p6 (unmasked) */
  if (!(a&0x80))
  {
    a &= (0x7f<<28)|(0x7f<<14)|(0x7f);
    b &= (0x7f<<14)|(0x7f);
    b = b<<7;
    a |= b;
    s = s>>11;
    *v = ((u64)s)<<32 | a;
    return 7;
  }
................................................................................
  a &= (0x7f<<14)|(0x7f);
  p++;
  b = b<<14;
  b |= *p;
  /* b: p3<<28 | p5<<14 | p7 (unmasked) */
  if (!(b&0x80))
  {
    b &= (0x7f<<28)|(0x7f<<14)|(0x7f);
    /* moved CSE2 up */
    /* a &= (0x7f<<14)|(0x7f); */
    a = a<<7;
    a |= b;
    s = s>>4;
    *v = ((u64)s)<<32 | a;
    return 8;
................................................................................

  p++;
  a = a<<14;
  a |= *p;
  /* a: p0<<28 | p2<<14 | p4 (unmasked) */
  if (!(a&0x80))
  {
    a &= (0x7f<<28)|(0x7f<<14)|(0x7f);
    b &= (0x7f<<28)|(0x7f<<14)|(0x7f);
    b = b<<7;
    *v = a | b;
    return 5;
  }

  /* We can only reach this point when reading a corrupt database
  ** file.  In that case we are not in any hurry.  Use the (relatively







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**
*************************************************************************
** Utility functions used throughout sqlite.
**
** This file contains functions for allocating memory, comparing
** strings, and stuff like that.
**
** $Id: util.c,v 1.249 2009/03/01 22:29:20 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>

/*
** Routine needed to support the testcase() macro.
*/
................................................................................

  p++;
  a = a<<14;
  a |= *p;
  /* a: p2<<28 | p4<<14 | p6 (unmasked) */
  if (!(a&0x80))
  {
    a &= (0x1f<<28)|(0x7f<<14)|(0x7f);
    b &= (0x7f<<14)|(0x7f);
    b = b<<7;
    a |= b;
    s = s>>11;
    *v = ((u64)s)<<32 | a;
    return 7;
  }
................................................................................
  a &= (0x7f<<14)|(0x7f);
  p++;
  b = b<<14;
  b |= *p;
  /* b: p3<<28 | p5<<14 | p7 (unmasked) */
  if (!(b&0x80))
  {
    b &= (0x1f<<28)|(0x7f<<14)|(0x7f);
    /* moved CSE2 up */
    /* a &= (0x7f<<14)|(0x7f); */
    a = a<<7;
    a |= b;
    s = s>>4;
    *v = ((u64)s)<<32 | a;
    return 8;
................................................................................

  p++;
  a = a<<14;
  a |= *p;
  /* a: p0<<28 | p2<<14 | p4 (unmasked) */
  if (!(a&0x80))
  {
    a &= (0x1f<<28)|(0x7f<<14)|(0x7f);
    b &= (0x1f<<28)|(0x7f<<14)|(0x7f);
    b = b<<7;
    *v = a | b;
    return 5;
  }

  /* We can only reach this point when reading a corrupt database
  ** file.  In that case we are not in any hurry.  Use the (relatively