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Overview
Comment:Cleanup superfluous whitespace changes.
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Timelines: family | ancestors | descendants | both | readonly-wal-recovery
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SHA3-256: a2908e2c88f7a30638a7e791fc7ad0325b663097c12cecd1f4726b0d60a9a3ed
User & Date: mistachkin 2017-11-09 22:25:58.319
Context
2017-11-09
23:24
Avoid superfluous SHM unlock call in the Win32 VFS. (check-in: 5a384be697 user: mistachkin tags: readonly-wal-recovery)
22:25
Cleanup superfluous whitespace changes. (check-in: a2908e2c88 user: mistachkin tags: readonly-wal-recovery)
22:23
Revise and vastly simplify the Win32 SHM file locking semantics, allowing all new tests to pass. (check-in: d0997b0f5b user: mistachkin tags: readonly-wal-recovery)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/os_win.c.
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** Open the shared-memory area associated with database file pDbFd.
**
** When opening a new shared-memory file, if no other instances of that
** file are currently open, in this process or in other processes, then
** the file must be truncated to zero length or have its header cleared.
*/
static int winOpenSharedMemory(winFile *pDbFd){
  struct winShm *p;         /* The connection to be opened */
  winShmNode *pShmNode = 0; /* The underlying mmapped file */
  int rc = SQLITE_OK;       /* Result code */
  int rc2 = SQLITE_ERROR;   /* winOpen result code */
  winShmNode *pNew;         /* Newly allocated winShmNode */
  int nName;                /* Size of zName in bytes */

  assert( pDbFd->pShm==0 );    /* Not previously opened */

  /* Allocate space for the new sqlite3_shm object.  Also speculatively
  ** allocate space for a new winShmNode and filename.
  */
  p = sqlite3MallocZero( sizeof(*p) );








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3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873

** Open the shared-memory area associated with database file pDbFd.
**
** When opening a new shared-memory file, if no other instances of that
** file are currently open, in this process or in other processes, then
** the file must be truncated to zero length or have its header cleared.
*/
static int winOpenSharedMemory(winFile *pDbFd){
  struct winShm *p;                  /* The connection to be opened */
  winShmNode *pShmNode = 0;          /* The underlying mmapped file */
  int rc = SQLITE_OK;                /* Result code */
  int rc2 = SQLITE_ERROR;            /* winOpen result code */
  winShmNode *pNew;                  /* Newly allocated winShmNode */
  int nName;                         /* Size of zName in bytes */

  assert( pDbFd->pShm==0 );    /* Not previously opened */

  /* Allocate space for the new sqlite3_shm object.  Also speculatively
  ** allocate space for a new winShmNode and filename.
  */
  p = sqlite3MallocZero( sizeof(*p) );
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