Hi,
I just discovered, that there may be a little memory leak in libsqlite version 0.8.6 (2.3.18). I compiled a small test application (see below) with gcc and the tool ccmalloc (http://www2.inf.ethz.ch/personal/biere/projects/ccmalloc/). ccmalloc reported a memory leak of 128 bytes (see the report below).
Is this a feature or a bug ?
Thanks for your help Marcel
My test application (compiled with g++ version 2.95.4 / debian stable / ccmalloc version 0.4.0):
---
#include <stdlib.h>
#include <sqlite.h>
int main (void) {
sqlite * db;
db = sqlite_open("test.db", 0, NULL);
sqlite_close(db);return 0; } ---
Report of ccmalloc:
.---------------. |ccmalloc report| ======================================================= | total # of| allocated | deallocated | garbage | +-----------+-------------+-------------+-------------+ | bytes| 48231 | 48103 | 128 | +-----------+-------------+-------------+-------------+ |allocations| 238 | 236 | 2 | +-----------------------------------------------------+ | number of checks: 1 | | number of counts: 474 | | retrieving function names for addresses ... done. | | reading file info from gdb ... done. | | sorting by number of not reclaimed bytes ... done. | | number of call chains: 2 | | number of ignored call chains: 0 | | number of reported call chains: 2 | | number of internal call chains: 2 | | number of library call chains: 0 | ======================================================= | * 50.0% = 64 Bytes of garbage allocated in 1 allocation | | 1 allocated (64 Bytes = 0.1% of total allocated) | | | @ [ | | +0x080cdb68 | | ] | | | | 0x400a314f in <__libc_start_main> | | | | 0x08049647 in <main> | | | | 0x0804a122 in <sqlite_open> | | at ./src/main.c:494 | | | | 0x0804ad82 in <sqliteBtreeFactory> | | at ./src/main.c:1134 | | | | 0x0805c202 in <sqliteBtreeOpen> | | at ./src/btree.c:711 | | | | 0x0806af4d in <sqlitepager_open> | | at ./src/pager.c:938 | | | | 0x0804b0c3 in <sqliteOsOpenReadWrite> | | at ./src/os.c:476 | | | | 0x0804aeee in <findLockInfo> | | at ./src/os.c:320 | | | | 0x08068870 in <sqliteHashInsert> | | at ./src/hash.c:328 | | | | 0x080684bf in <rehash> | | at ./src/hash.c:172 | | | | 0x0804dd54 in <sqliteMalloc> | | at ./src/util.c:254 | | | `-----> 0x080861f2 in <malloc> | at src/wrapper.c:318 | * 50.0% = 64 Bytes of garbage allocated in 1 allocation | | 1 allocated (64 Bytes = 0.1% of total allocated) | | | @ [ | | +0x080ce0e0 | | ] | | | | 0x400a314f in <__libc_start_main> | | | | 0x08049647 in <main> | | | | 0x0804a122 in <sqlite_open> | | at ./src/main.c:494 | | | | 0x0804ad82 in <sqliteBtreeFactory> | | at ./src/main.c:1134 | | | | 0x0805c202 in <sqliteBtreeOpen> | | at ./src/btree.c:711 | | | | 0x0806af4d in <sqlitepager_open> | | at ./src/pager.c:938 | | | | 0x0804b0c3 in <sqliteOsOpenReadWrite> | | at ./src/os.c:476 | | | | 0x0804afc1 in <findLockInfo> | | at ./src/os.c:343 | | | | 0x08068870 in <sqliteHashInsert> | | at ./src/hash.c:328 | | | | 0x080684bf in <rehash> | | at ./src/hash.c:172 | | | | 0x0804dd54 in <sqliteMalloc> | | at ./src/util.c:254 | | | `-----> 0x080861f2 in <malloc> | at src/wrapper.c:318 | `------------------------------------------------------
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