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mirror of https://github.com/sqlite/sqlite.git synced 2025-11-06 15:49:35 +03:00

Fix the ".genfkey" command of the CLI so that it does not leak memory

if sqlite3_realloc() fails.  Ticket #3891. (CVS 6696)

FossilOrigin-Name: a028d69c70ae961f418052a91aa1518e80a8ddf5
This commit is contained in:
drh
2009-05-31 17:16:09 +00:00
parent 20bc393c6a
commit de7446bd85
3 changed files with 16 additions and 9 deletions

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@@ -1,5 +1,5 @@
C Fix\stypo\sreported\sby\sticket\s#3888.\s\sOther\sminor\sedits\sto\sfacilitate\ncoverage\stesting.\s(CVS\s6695) C Fix\sthe\s".genfkey"\scommand\sof\sthe\sCLI\sso\sthat\sit\sdoes\snot\sleak\smemory\nif\ssqlite3_realloc()\sfails.\s\sTicket\s#3891.\s(CVS\s6696)
D 2009-05-30T23:35:43 D 2009-05-31T17:16:10
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in 583e87706abc3026960ed759aff6371faf84c211 F Makefile.in 583e87706abc3026960ed759aff6371faf84c211
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -159,7 +159,7 @@ F src/random.c 676b9d7ac820fe81e6fb2394ac8c10cff7f38628
F src/resolve.c 42065c05d4dd56894d1ae232974668674435e468 F src/resolve.c 42065c05d4dd56894d1ae232974668674435e468
F src/rowset.c c64dafba1f9fd876836c8db8682966b9d197eb1f F src/rowset.c c64dafba1f9fd876836c8db8682966b9d197eb1f
F src/select.c a3d8a0185e437e10adf82b69cd41c987bb2e58bb F src/select.c a3d8a0185e437e10adf82b69cd41c987bb2e58bb
F src/shell.c 7eacd0bdaa887931f5ff205c9defc3e8df95a2dd F src/shell.c db2643650b9268df89a4bedca3f1c6d9e786f1bb
F src/sqlite.h.in 79210c4d8905cfb4b038486dde5f36fabb796a86 F src/sqlite.h.in 79210c4d8905cfb4b038486dde5f36fabb796a86
F src/sqlite3ext.h 1db7d63ab5de4b3e6b83dd03d1a4e64fef6d2a17 F src/sqlite3ext.h 1db7d63ab5de4b3e6b83dd03d1a4e64fef6d2a17
F src/sqliteInt.h 9d9e15a343bc56e8fc11217d5095f3c9f0508bed F src/sqliteInt.h 9d9e15a343bc56e8fc11217d5095f3c9f0508bed
@@ -731,7 +731,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
P f760bb7a0372d11ac7e3287b8a56fc4261e6371c P 164adf261d2536f16c83e44f6482dfb3d04a45d5
R 27b6ce0fb3260e877dc964dee964de13 R a7d342339bf9c4576f32028873e7110a
U drh U drh
Z 03718f2f6b19c22e54c0a99a910d7f35 Z 32569af168e17e03e21cd2b706954073

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@@ -1 +1 @@
164adf261d2536f16c83e44f6482dfb3d04a45d5 a028d69c70ae961f418052a91aa1518e80a8ddf5

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@@ -12,7 +12,7 @@
** This file contains code to implement the "sqlite" command line ** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases. ** utility for accessing SQLite databases.
** **
** $Id: shell.c,v 1.209 2009/05/21 15:15:01 drh Exp $ ** $Id: shell.c,v 1.210 2009/05/31 17:16:10 drh Exp $
*/ */
#if defined(_WIN32) || defined(WIN32) #if defined(_WIN32) || defined(WIN32)
/* This needs to come before any includes for MSVC compiler */ /* This needs to come before any includes for MSVC compiler */
@@ -623,8 +623,15 @@ static void multireplace(
} }
} }
if( (nOut+nCopy)>nMalloc ){ if( (nOut+nCopy)>nMalloc ){
char *zNew;
nMalloc = 16 + (nOut+nCopy)*2; nMalloc = 16 + (nOut+nCopy)*2;
zOut = (char *)sqlite3_realloc(zOut, nMalloc); zNew = (char*)sqlite3_realloc(zOut, nMalloc);
if( zNew==0 ){
sqlite3_result_error_nomem(context);
return;
}else{
zOut = zNew;
}
} }
assert( nMalloc>=(nOut+nCopy) ); assert( nMalloc>=(nOut+nCopy) );
memcpy(&zOut[nOut], zCopy, nCopy); memcpy(&zOut[nOut], zCopy, nCopy);