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Overview
Comment:Fix some harmless compiler warnings that were occurring with THREADSAFE=0.
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SHA1:9b191bb4c7c1e1b12b188c0b3eee1f8f587887c8
User & Date: drh 2011-06-24 11:29:51
Context
2011-06-24
13:50
Fix a Windows line ending issue in a test case that was causing an incrblob test to fail. check-in: afbe9023 user: shaneh tags: trunk
11:29
Fix some harmless compiler warnings that were occurring with THREADSAFE=0. check-in: 9b191bb4 user: drh tags: trunk
2011-06-23
19:49
Version 3.7.7. check-in: 4374b7e8 user: drh tags: trunk, release, version-3.7.7
Changes
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Changes to src/date.c.

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** routine will always fail.
*/
static int osLocaltime(time_t *t, struct tm *pTm){
  int rc;
#if (!defined(HAVE_LOCALTIME_R) || !HAVE_LOCALTIME_R) \
      && (!defined(HAVE_LOCALTIME_S) || !HAVE_LOCALTIME_S)
  struct tm *pX;

  sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER);

  sqlite3_mutex_enter(mutex);
  pX = localtime(t);
#ifndef SQLITE_OMIT_BUILTIN_TEST
  if( sqlite3GlobalConfig.bLocaltimeFault ) pX = 0;
#endif
  if( pX ) *pTm = *pX;
  sqlite3_mutex_leave(mutex);







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** routine will always fail.
*/
static int osLocaltime(time_t *t, struct tm *pTm){
  int rc;
#if (!defined(HAVE_LOCALTIME_R) || !HAVE_LOCALTIME_R) \
      && (!defined(HAVE_LOCALTIME_S) || !HAVE_LOCALTIME_S)
  struct tm *pX;
#if SQLITE_THREADSAFE>0
  sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER);
#endif
  sqlite3_mutex_enter(mutex);
  pX = localtime(t);
#ifndef SQLITE_OMIT_BUILTIN_TEST
  if( sqlite3GlobalConfig.bLocaltimeFault ) pX = 0;
#endif
  if( pX ) *pTm = *pX;
  sqlite3_mutex_leave(mutex);

Changes to src/os_unix.c.

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*/
static void unixShmPurge(unixFile *pFd){
  unixShmNode *p = pFd->pInode->pShmNode;
  assert( unixMutexHeld() );
  if( p && p->nRef==0 ){
    int i;
    assert( p->pInode==pFd->pInode );
    if( p->mutex ) sqlite3_mutex_free(p->mutex);
    for(i=0; i<p->nRegion; i++){
      if( p->h>=0 ){
        munmap(p->apRegion[i], p->szRegion);
      }else{
        sqlite3_free(p->apRegion[i]);
      }
    }







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*/
static void unixShmPurge(unixFile *pFd){
  unixShmNode *p = pFd->pInode->pShmNode;
  assert( unixMutexHeld() );
  if( p && p->nRef==0 ){
    int i;
    assert( p->pInode==pFd->pInode );
    sqlite3_mutex_free(p->mutex);
    for(i=0; i<p->nRegion; i++){
      if( p->h>=0 ){
        munmap(p->apRegion[i], p->szRegion);
      }else{
        sqlite3_free(p->apRegion[i]);
      }
    }

Changes to tool/warnings.sh.

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# compiler warnings in SQLite.
#
make sqlite3.c
echo '********** No optimizations.  Includes FTS4 and RTREE *********'
gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
      sqlite3.c




echo '********** Optimized -O3.  Includes FTS4 and RTREE *********'
gcc -O3 -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
      sqlite3.c







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# compiler warnings in SQLite.
#
make sqlite3.c
echo '********** No optimizations.  Includes FTS4 and RTREE *********'
gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
      sqlite3.c
echo '********** No optimizations. ENABLE_STAT2. THREADSAFE=0 *******'
gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DSQLITE_ENABLE_STAT2 -DSQLITE_THREADSAFE=0 \
      sqlite3.c
echo '********** Optimized -O3.  Includes FTS4 and RTREE ************'
gcc -O3 -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
      -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
      sqlite3.c