i'm using the current SQLite from cvs with
gcc 3.3.1 Linux 2.4.21-199
and i think it is great fun coding with SQLite.
When i test my code with valgrind i get following error:
====================================================================== ==23150== ERROR SUMMARY: 12 errors from 1 contexts (suppressed: 1 from 1) ==23150== ==23150== 12 errors in context 1 of 1: ==23150== Syscall param write(buf) contains uninitialised or unaddressable byte(s) ==23150== at 0x4039A108: __GI___libc_write (in /lib/i686/libc.so.6) ==23150== by 0x4024533E: sqliteOsWrite (os.c:1000) ==23150== by 0x402470AE: pager_write_pagelist (pager.c:1262) ==23150== by 0x402483E2: sqlitepager_commit (pager.c:2020) ==23150== Address 0x415E5252 is 142 bytes inside a block of size 1364 alloc'd ==23150== at 0x4002CEAF: malloc (vg_replace_malloc.c:160) ==23150== by 0x40254A1C: sqliteMallocRaw (util.c:268) ==23150== by 0x402471EC: sqlitepager_get (pager.c:1387) ==23150== by 0x40230BCA: newDatabase (btree.c:840) --23150-- --23150-- supp: 1 __pthread_mutex_unlock/_IO_funlockfile ==23150== ==23150== IN SUMMARY: 12 errors from 1 contexts (suppressed: 1 from 1) ==23150== ==23150== malloc/free: in use at exit: 128 bytes in 2 blocks. ==23150== malloc/free: 1946 allocs, 1944 frees, 447323 bytes allocated. ==23150== ==23150== searching for pointers to 2 not-freed blocks. ==23150== checked 4115340 bytes. ==23150== ==23150== ==23150== 128 bytes in 2 blocks are still reachable in loss record 1 of 1 ==23150== at 0x4002CEAF: malloc (vg_replace_malloc.c:160) ==23150== by 0x402549BD: sqliteMalloc (util.c:254) ==23150== by 0x40240E15: rehash (hash.c:172) ==23150== by 0x40241311: sqliteHashInsert (hash.c:344) ==23150== ==23150== LEAK SUMMARY: ==23150== definitely lost: 0 bytes in 0 blocks. ==23150== possibly lost: 0 bytes in 0 blocks. ==23150== still reachable: 128 bytes in 2 blocks. ==23150== suppressed: 0 bytes in 0 blocks. --23150-- TT/TC: 0 tc sectors discarded. --23150-- 5986 chainings, 0 unchainings. --23150-- translate: new 6886 (116999 -> 1604243; ratio 137:10) ======================================================================
Note the the only change i have made to the cvs from today is:
-------------------------------------------- RCS file: /sqlite/sqlite/src/os.c,v retrieving revision 1.66 diff -r1.66 os.c 19a20,21 > #define THREADSAFE 1 > --------------------------------------------
so you need to correct the line number in the above os.c error.
Is this an error in my code using SQLite or is this a problem in SQLite?
thanks,
Marcel
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