SQLite

Check-in [c829868aa2]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Fix two compiler warnings. No functional code changes.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: c829868aa2254c5e2268cdb803462cc6ec5cb71e
User & Date: drh 2011-03-08 13:06:41.560
Context
2011-03-08
14:05
Unix errno integer can vary from one system to the next. So do not depend on specific errno values in test cases. (check-in: ddb747d33a user: drh tags: trunk)
13:06
Fix two compiler warnings. No functional code changes. (check-in: c829868aa2 user: drh tags: trunk)
02:38
Fix additional cases of possible signed integer overflow, especially with regard to negation. (check-in: 2d5800bd8c user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/os_unix.c.
︙︙
1353
1354
1355
1356
1357
1358
1359

1360
1361
1362
1363
1364
1365
1366

    **  2:   [....W]
    **  3:   [RRRRW]
    **  4:   [RRRR.]
    */
    if( eFileLock==SHARED_LOCK ){

#if !defined(__APPLE__) || !SQLITE_ENABLE_LOCKING_STYLE

      assert( handleNFSUnlock==0 );
#endif
#if defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
      if( handleNFSUnlock ){
        off_t divSize = SHARED_SIZE - 1;
        
        lock.l_type = F_UNLCK;








>








1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367

    **  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
      if( handleNFSUnlock ){
        off_t divSize = SHARED_SIZE - 1;
        
        lock.l_type = F_UNLCK;
︙︙
Changes to src/util.c.
︙︙
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150


/*
** Compute the absolute value of a 32-bit signed integer, of possible.  Or 
** if the integer has a value of -2147483648, return +2147483647
*/
int sqlite3AbsInt32(int x){
  if( x>=0 ) return x;
  if( x==0x80000000 ) return 0x7fffffff;
  return -x;
}








|



1141
1142
1143
1144
1145
1146
1147
1148
1149
1150


/*
** Compute the absolute value of a 32-bit signed integer, of possible.  Or 
** if the integer has a value of -2147483648, return +2147483647
*/
int sqlite3AbsInt32(int x){
  if( x>=0 ) return x;
  if( x==(int)0x80000000 ) return 0x7fffffff;
  return -x;
}