diff options
| -rw-r--r-- | manifest | 12 | ||||
| -rw-r--r-- | manifest.uuid | 2 | ||||
| -rw-r--r-- | src/expr.c | 15 |
3 files changed, 19 insertions, 10 deletions
@@ -1,5 +1,5 @@ -C If\sthe\sOP_ParseSchema\sopcode\swith\sa\snon-NULL\sP4\soperand\sdoes\snot\sparse\sany\nrows\sout\sof\sthe\ssqlite_master\stable,\sthat\sindicates\sthat\sthe\ssqlite_master\ntable\sis\scorrupt,\sso\sraise\san\sSQLITE_CORRUPT\serror. -D 2019-01-05T21:09:37.530 +C Add\sthe\sexprNodeCopy()\sroutine\sthat\swill\ssafely\smemcpy()\san\sExpr\snode\sthat\nmight\sbe\sa\ssize-reduced\snode. +D 2019-01-05T21:56:12.090 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea F Makefile.in d8b254f8bb81bab43c340d70d17dc3babab40fcc8a348c8255881f780a45fee6 @@ -464,7 +464,7 @@ F src/date.c ebe1dc7c8a347117bb02570f1a931c62dd78f4a2b1b516f4837d45b7d6426957 F src/dbpage.c 135eb3b5e74f9ef74bde5cec2571192c90c86984fa534c88bf4a055076fa19b7 F src/dbstat.c 3c8bd4e77f0244fd2bd7cc90acf116ad2f8e82d70e536637f35ac2bc99b726f9 F src/delete.c 209cd8345b15d1843abeff2d91a6d9c765cf32ff4abcb24411c38fe08e18baab -F src/expr.c 18ce84bab19ef59eff99a54d83ebefd28dc10d17e617f35c730ff7c8bc2b6ee7 +F src/expr.c 9ad9c40a83c4218d79de19153b7a8ba7810564a123af7e09281927990bea2964 F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007 F src/fkey.c aaf28be73ab21e1e8bf4ac6b94269ebc8c93238d1e6997cb44b527b622e8ae6f F src/func.c 7c288b4ce309b5a8b8473514b88e1f8e69a80134509a8c0db8e39c858e367e7f @@ -1797,7 +1797,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0 -P 444c7c99beb9f8b82963e9784aa2be54124c7011f4771122b4f608c02aa26408 -R 8de40bf74ae55cb339d0834a33043a83 +P 598d7358e7329f0de6e3defc217665909e46874258ac29592ee2fd53e6411cda +R edf6239ea759255e3950d6367e524f61 U drh -Z 0ecb0f548cba4686a2646d7c9efbc968 +Z 24d644d970444f08b00aecabd19ab2a7 diff --git a/manifest.uuid b/manifest.uuid index a0bb07c98..a9143ea15 100644 --- a/manifest.uuid +++ b/manifest.uuid @@ -1 +1 @@ -598d7358e7329f0de6e3defc217665909e46874258ac29592ee2fd53e6411cda
\ No newline at end of file +a874c649960ba2e2b2fd380d08c02a45884a1060d3922be8847729008ca6766e
\ No newline at end of file diff --git a/src/expr.c b/src/expr.c index 91bb7e9e5..8754bbe78 100644 --- a/src/expr.c +++ b/src/expr.c @@ -1100,6 +1100,16 @@ static int exprStructSize(Expr *p){ } /* +** Copy the complete content of an Expr node, taking care not to read +** past the end of the structure for a reduced-size version of the source +** Expr. +*/ +static void exprNodeCopy(Expr *pDest, Expr *pSrc){ + memset(pDest, 0, sizeof(Expr)); + memcpy(pDest, pSrc, exprStructSize(pSrc)); +} + +/* ** The dupedExpr*Size() routines each return the number of bytes required ** to store a copy of an expression or expression tree. They differ in ** how much of the tree is measured. @@ -4051,7 +4061,7 @@ expr_code_doover: nExpr = pEList->nExpr; endLabel = sqlite3VdbeMakeLabel(pParse); if( (pX = pExpr->pLeft)!=0 ){ - tempX = *pX; + exprNodeCopy(&tempX, pX); testcase( pX->op==TK_COLUMN ); exprToRegister(&tempX, exprCodeVector(pParse, &tempX, ®Free1)); testcase( regFree1==0 ); @@ -4372,13 +4382,12 @@ static void exprCodeBetween( Expr exprX; /* The x subexpression */ int regFree1 = 0; /* Temporary use register */ - memset(&compLeft, 0, sizeof(Expr)); memset(&compRight, 0, sizeof(Expr)); memset(&exprAnd, 0, sizeof(Expr)); assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); - exprX = *pExpr->pLeft; + exprNodeCopy(&exprX, pExpr->pLeft); exprAnd.op = TK_AND; exprAnd.pLeft = &compLeft; exprAnd.pRight = &compRight; |