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Comment:Patches to the apple-osx-377 branch so that it will compile and run on non-Mac unix platforms.
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SHA1:b431a63437a81214d69c523d76241e6d4127ee0f
User & Date: drh 2011-10-11 00:09:13
Context
2011-10-11
00:09
Patches to the apple-osx-377 branch so that it will compile and run on non-Mac unix platforms. Leaf check-in: b431a634 user: drh tags: apple-osx-377
2011-10-10
22:11
Merging in cherry picked diffs for persist wal, alloc padding, wal-safe vacuum and sqlite3_file_control based lockstate checking check-in: db5b7b77 user: adam tags: apple-osx-377
Changes
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Changes to src/mem1.c. 

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#if (!defined(__APPLE__))

#define SQLITE_MALLOC(x) malloc(x)
#define SQLITE_FREE(x) free(x)
#define SQLITE_REALLOC(x,y) realloc((x),(y))


#else


#include <sys/sysctl.h>
#include <malloc/malloc.h>
#include <libkern/OSAtomic.h>

................................................................................
** cases of nByte<=0 will be intercepted and dealt with by higher level
** routines.
*/
static void *sqlite3MemMalloc(int nByte){
  sqlite3_int64 *p;
  assert( nByte>0 );
  nByte = ROUND8(nByte);










  p = SQLITE_MALLOC( nByte );
  if( !p ){
    testcase( sqlite3GlobalConfig.xLog!=0 );
    sqlite3_log(SQLITE_NOMEM, "failed to allocate %u bytes of memory", nByte);
  }

  return (void *)p;
}

/*
** Like free() but works for allocations obtained from sqlite3MemMalloc()
** or sqlite3MemRealloc().
**
................................................................................
** For this low-level routine, we already know that pPrior!=0 since
** cases where pPrior==0 will have been intecepted and dealt with
** by higher-level routines.
*/
static void sqlite3MemFree(void *pPrior){
  sqlite3_int64 *p = (sqlite3_int64*)pPrior;
  assert( pPrior!=0 );



  SQLITE_FREE(p);
}

/*
** Report the allocated size of a prior return from xMalloc()
** or xRealloc().
*/
static int sqlite3MemSize(void *pPrior){

  sqlite3_int64 *p;
  if( pPrior==0 ) return 0;




  return (int)SQLITE_MALLOCSIZE(pPrior);

}

/*
** Like realloc().  Resize an allocation previously obtained from
** sqlite3MemMalloc().
**
** For this low-level interface, we know that pPrior!=0.  Cases where
................................................................................
** cases where nByte<=0 will have been intercepted by higher-level
** routines and redirected to xFree.
*/
static void *sqlite3MemRealloc(void *pPrior, int nByte){
  sqlite3_int64 *p = (sqlite3_int64*)pPrior;
  assert( pPrior!=0 && nByte>0 );
  assert( nByte==ROUND8(nByte) ); /* EV: R-46199-30249 */













  p = SQLITE_REALLOC(p, nByte );
  if( !p ){
    testcase( sqlite3GlobalConfig.xLog!=0 );
    sqlite3_log(SQLITE_NOMEM,
      "failed memory resize %u to %u bytes",
      sqlite3MemSize(pPrior), nByte);
  }

  return (void*)p;
}

/*
** Round up a request size to the next valid allocation size.
*/
static int sqlite3MemRoundup(int n){








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#if (!defined(__APPLE__))

#define SQLITE_MALLOC(x) malloc(x)
#define SQLITE_FREE(x) free(x)
#define SQLITE_REALLOC(x,y) realloc((x),(y))


#else


#include <sys/sysctl.h>
#include <malloc/malloc.h>
#include <libkern/OSAtomic.h>

................................................................................
** cases of nByte<=0 will be intercepted and dealt with by higher level
** routines.
*/
static void *sqlite3MemMalloc(int nByte){
  sqlite3_int64 *p;
  assert( nByte>0 );
  nByte = ROUND8(nByte);
#ifndef SQLITE_MALLOCSIZE
  p = SQLITE_MALLOC( nByte + 8 );
  if( p ){
    p[0] = nByte;
    p++;
  }else{
    testcase( sqlite3GlobalConfig.xLog!=0 );
    sqlite3_log(SQLITE_NOMEM, "failed to allocate %u bytes of memory", nByte);
  }
#else
  p = SQLITE_MALLOC( nByte );
  if( !p ){
    testcase( sqlite3GlobalConfig.xLog!=0 );
    sqlite3_log(SQLITE_NOMEM, "failed to allocate %u bytes of memory", nByte);
  }
#endif
  return (void *)p;
}

/*
** Like free() but works for allocations obtained from sqlite3MemMalloc()
** or sqlite3MemRealloc().
**
................................................................................
** For this low-level routine, we already know that pPrior!=0 since
** cases where pPrior==0 will have been intecepted and dealt with
** by higher-level routines.
*/
static void sqlite3MemFree(void *pPrior){
  sqlite3_int64 *p = (sqlite3_int64*)pPrior;
  assert( pPrior!=0 );
#ifndef SQLITE_MALLOCSIZE
  p--;
#endif
  SQLITE_FREE(p);
}

/*
** Report the allocated size of a prior return from xMalloc()
** or xRealloc().
*/
static int sqlite3MemSize(void *pPrior){
#ifndef SQLITE_MALLOCSIZE
  sqlite3_int64 *p;
  if( pPrior==0 ) return 0;
  p = (sqlite3_int64*)pPrior;
  p--;
  return (int)p[0];
#else
  return (int)SQLITE_MALLOCSIZE(pPrior);
#endif
}

/*
** Like realloc().  Resize an allocation previously obtained from
** sqlite3MemMalloc().
**
** For this low-level interface, we know that pPrior!=0.  Cases where
................................................................................
** cases where nByte<=0 will have been intercepted by higher-level
** routines and redirected to xFree.
*/
static void *sqlite3MemRealloc(void *pPrior, int nByte){
  sqlite3_int64 *p = (sqlite3_int64*)pPrior;
  assert( pPrior!=0 && nByte>0 );
  assert( nByte==ROUND8(nByte) ); /* EV: R-46199-30249 */
#ifndef SQLITE_MALLOCSIZE
  p--;
  p = SQLITE_REALLOC(p, nByte+8 );
  if( p ){
    p[0] = nByte;
    p++;
  }else{
     testcase( sqlite3GlobalConfig.xLog!=0 );
     sqlite3_log(SQLITE_NOMEM,
       "failed memory resize %u to %u bytes",
       sqlite3MemSize(pPrior), nByte);
  }
#else
  p = SQLITE_REALLOC(p, nByte );
  if( !p ){
    testcase( sqlite3GlobalConfig.xLog!=0 );
    sqlite3_log(SQLITE_NOMEM,
      "failed memory resize %u to %u bytes",
      sqlite3MemSize(pPrior), nByte);
  }
#endif
  return (void*)p;
}

/*
** Round up a request size to the next valid allocation size.
*/
static int sqlite3MemRoundup(int n){

Changes to src/os_unix.c. 

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    ** write lock until the rest is covered by a read lock:
    **  1:   [WWWWW]
    **  2:   [....W]
    **  3:   [RRRRW]
    **  4:   [RRRR.]
    */
    if( eFileLock==SHARED_LOCK ){


#if !defined(__APPLE__) || !SQLITE_ENABLE_LOCKING_STYLE
      (void)handleNFSUnlock;
      assert( handleNFSUnlock==0 );
#endif
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
      int tErrno;               /* Error code from system call errors */
      if( handleNFSUnlock ){
        off_t divSize = SHARED_SIZE - 1;
        
        lock.l_type = F_UNLCK;
        lock.l_whence = SEEK_SET;
        lock.l_start = SHARED_FIRST;
        lock.l_len = divSize;








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    ** write lock until the rest is covered by a read lock:
    **  1:   [WWWWW]
    **  2:   [....W]
    **  3:   [RRRRW]
    **  4:   [RRRR.]
    */
    if( eFileLock==SHARED_LOCK ){
      int tErrno;               /* Error code from system call errors */

#if !defined(__APPLE__) || !SQLITE_ENABLE_LOCKING_STYLE
      (void)handleNFSUnlock;
      assert( handleNFSUnlock==0 );
#endif
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE

      if( handleNFSUnlock ){
        off_t divSize = SHARED_SIZE - 1;
        
        lock.l_type = F_UNLCK;
        lock.l_whence = SEEK_SET;
        lock.l_start = SHARED_FIRST;
        lock.l_len = divSize;

Changes to src/test1.c. 

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 */
static int path_is_local(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  sqlite3 *db;
  const char *zPath;
  int nPath;
  
  if( objc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
                     Tcl_GetStringFromObj(objv[0], 0), " PATH", 0);
    return TCL_ERROR;
................................................................................
 */
static int path_is_dos(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  sqlite3 *db;
  const char *zPath;
  int nPath;
  
  if( objc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
                     Tcl_GetStringFromObj(objv[0], 0), " PATH", 0);
    return TCL_ERROR;








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static int path_is_local(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){

  const char *zPath;
  int nPath;
  
  if( objc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
                     Tcl_GetStringFromObj(objv[0], 0), " PATH", 0);
    return TCL_ERROR;
................................................................................
 */
static int path_is_dos(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){

  const char *zPath;
  int nPath;
  
  if( objc!=2 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
                     Tcl_GetStringFromObj(objv[0], 0), " PATH", 0);
    return TCL_ERROR;

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