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Overview
Comment: | Check the return value of lseek() in os_unix.c to make sure it really worked. (CVS 3628) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
e4408dd1fd32e6c5057cce0fdfa70eb2 |
User & Date: | drh 2007-02-06 11:11:08.000 |
Context
2007-02-06
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13:26 | When optimizing out an ORDER BY clause due to uniqueness constraints, make sure unused terms to the right in the ORDER BY clause to not reference other tables in a join. Ticket #2211. Additional test cases needed before closing this ticket. (CVS 3629) (check-in: 912faf18d8 user: drh tags: trunk) | |
11:11 | Check the return value of lseek() in os_unix.c to make sure it really worked. (CVS 3628) (check-in: e4408dd1fd user: drh tags: trunk) | |
2007-02-05
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14:21 | Set the MEM_Term flag when an internal string has a nul-terminator appended to it. Fix for #2213. (CVS 3627) (check-in: fc969ad991 user: danielk1977 tags: trunk) | |
Changes
Changes to src/os_unix.c.
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996 997 998 999 1000 1001 1002 1003 1004 1005 | /* ** Seek to the offset in id->offset then read cnt bytes into pBuf. ** Return the number of bytes actually read. Update the offset. */ static int seekAndRead(unixFile *id, void *pBuf, int cnt){ int got; #ifdef USE_PREAD got = pread(id->h, pBuf, cnt, id->offset); #else | > | > > > | 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 | /* ** Seek to the offset in id->offset then read cnt bytes into pBuf. ** Return the number of bytes actually read. Update the offset. */ static int seekAndRead(unixFile *id, void *pBuf, int cnt){ int got; i64 newOffset; #ifdef USE_PREAD got = pread(id->h, pBuf, cnt, id->offset); #else newOffset = lseek(id->h, id->offset, SEEK_SET); if( newOffset!=id->offset ){ return -1; } got = read(id->h, pBuf, cnt); #endif if( got>0 ){ id->offset += got; } return got; } |
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1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 | /* ** Seek to the offset in id->offset then read cnt bytes into pBuf. ** Return the number of bytes actually read. Update the offset. */ static int seekAndWrite(unixFile *id, const void *pBuf, int cnt){ int got; #ifdef USE_PREAD got = pwrite(id->h, pBuf, cnt, id->offset); #else | > | > > > | 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 | /* ** Seek to the offset in id->offset then read cnt bytes into pBuf. ** Return the number of bytes actually read. Update the offset. */ static int seekAndWrite(unixFile *id, const void *pBuf, int cnt){ int got; i64 newOffset; #ifdef USE_PREAD got = pwrite(id->h, pBuf, cnt, id->offset); #else newOffset = lseek(id->h, id->offset, SEEK_SET); if( newOffset!=id->offset ){ return -1; } got = write(id->h, pBuf, cnt); #endif if( got>0 ){ id->offset += got; } return got; } |
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