diff options
author | 2014-03-24 01:37:28 +0000 | |
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committer | 2014-03-24 01:37:28 +0000 | |
commit | 29ebcee2452a131560f5220abaf585648f84ce40 (patch) | |
tree | 844ef4fe135beff619b9e7b632f3b6722d6367e4 /lib/libsqlite3/src/printf.c | |
parent | annotate some packed structures with the alignment the hardware (diff) | |
download | wireguard-openbsd-29ebcee2452a131560f5220abaf585648f84ce40.tar.xz wireguard-openbsd-29ebcee2452a131560f5220abaf585648f84ce40.zip |
Update sqlite to 3.8.4. A list of changes are available here:
http://sqlite.org/changes.html.
Tested in a bulk and ok landry@
Diffstat (limited to 'lib/libsqlite3/src/printf.c')
-rw-r--r-- | lib/libsqlite3/src/printf.c | 159 |
1 files changed, 117 insertions, 42 deletions
diff --git a/lib/libsqlite3/src/printf.c b/lib/libsqlite3/src/printf.c index f9e5c6406d7..8cfa542b412 100644 --- a/lib/libsqlite3/src/printf.c +++ b/lib/libsqlite3/src/printf.c @@ -149,6 +149,31 @@ void sqlite3AppendSpace(StrAccum *pAccum, int N){ } /* +** Set the StrAccum object to an error mode. +*/ +static void setStrAccumError(StrAccum *p, u8 eError){ + p->accError = eError; + p->nAlloc = 0; +} + +/* +** Extra argument values from a PrintfArguments object +*/ +static sqlite3_int64 getIntArg(PrintfArguments *p){ + if( p->nArg<=p->nUsed ) return 0; + return sqlite3_value_int64(p->apArg[p->nUsed++]); +} +static double getDoubleArg(PrintfArguments *p){ + if( p->nArg<=p->nUsed ) return 0.0; + return sqlite3_value_double(p->apArg[p->nUsed++]); +} +static char *getTextArg(PrintfArguments *p){ + if( p->nArg<=p->nUsed ) return 0; + return (char*)sqlite3_value_text(p->apArg[p->nUsed++]); +} + + +/* ** On machines with a small stack size, you can redefine the ** SQLITE_PRINT_BUF_SIZE to be something smaller, if desired. */ @@ -161,10 +186,10 @@ void sqlite3AppendSpace(StrAccum *pAccum, int N){ ** Render a string given by "fmt" into the StrAccum object. */ void sqlite3VXPrintf( - StrAccum *pAccum, /* Accumulate results here */ - int useExtended, /* Allow extended %-conversions */ - const char *fmt, /* Format string */ - va_list ap /* arguments */ + StrAccum *pAccum, /* Accumulate results here */ + u32 bFlags, /* SQLITE_PRINTF_* flags */ + const char *fmt, /* Format string */ + va_list ap /* arguments */ ){ int c; /* Next character in the format string */ char *bufpt; /* Pointer to the conversion buffer */ @@ -182,6 +207,8 @@ void sqlite3VXPrintf( etByte flag_longlong; /* True if the "ll" flag is present */ etByte done; /* Loop termination flag */ etByte xtype = 0; /* Conversion paradigm */ + u8 bArgList; /* True for SQLITE_PRINTF_SQLFUNC */ + u8 useIntern; /* Ok to use internal conversions (ex: %T) */ char prefix; /* Prefix character. "+" or "-" or " " or '\0'. */ sqlite_uint64 longvalue; /* Value for integer types */ LONGDOUBLE_TYPE realvalue; /* Value for real types */ @@ -196,9 +223,18 @@ void sqlite3VXPrintf( etByte flag_dp; /* True if decimal point should be shown */ etByte flag_rtz; /* True if trailing zeros should be removed */ #endif + PrintfArguments *pArgList = 0; /* Arguments for SQLITE_PRINTF_SQLFUNC */ char buf[etBUFSIZE]; /* Conversion buffer */ bufpt = 0; + if( bFlags ){ + if( (bArgList = (bFlags & SQLITE_PRINTF_SQLFUNC))!=0 ){ + pArgList = va_arg(ap, PrintfArguments*); + } + useIntern = bFlags & SQLITE_PRINTF_INTERNAL; + }else{ + bArgList = useIntern = 0; + } for(; (c=(*fmt))!=0; ++fmt){ if( c!='%' ){ int amt; @@ -230,7 +266,11 @@ void sqlite3VXPrintf( /* Get the field width */ width = 0; if( c=='*' ){ - width = va_arg(ap,int); + if( bArgList ){ + width = (int)getIntArg(pArgList); + }else{ + width = va_arg(ap,int); + } if( width<0 ){ flag_leftjustify = 1; width = -width; @@ -247,7 +287,11 @@ void sqlite3VXPrintf( precision = 0; c = *++fmt; if( c=='*' ){ - precision = va_arg(ap,int); + if( bArgList ){ + precision = (int)getIntArg(pArgList); + }else{ + precision = va_arg(ap,int); + } if( precision<0 ) precision = -precision; c = *++fmt; }else{ @@ -278,7 +322,7 @@ void sqlite3VXPrintf( for(idx=0; idx<ArraySize(fmtinfo); idx++){ if( c==fmtinfo[idx].fmttype ){ infop = &fmtinfo[idx]; - if( useExtended || (infop->flags & FLAG_INTERN)==0 ){ + if( useIntern || (infop->flags & FLAG_INTERN)==0 ){ xtype = infop->type; }else{ return; @@ -318,7 +362,9 @@ void sqlite3VXPrintf( case etRADIX: if( infop->flags & FLAG_SIGNED ){ i64 v; - if( flag_longlong ){ + if( bArgList ){ + v = getIntArg(pArgList); + }else if( flag_longlong ){ v = va_arg(ap,i64); }else if( flag_long ){ v = va_arg(ap,long int); @@ -339,7 +385,9 @@ void sqlite3VXPrintf( else prefix = 0; } }else{ - if( flag_longlong ){ + if( bArgList ){ + longvalue = (u64)getIntArg(pArgList); + }else if( flag_longlong ){ longvalue = va_arg(ap,u64); }else if( flag_long ){ longvalue = va_arg(ap,unsigned long int); @@ -359,7 +407,7 @@ void sqlite3VXPrintf( nOut = precision + 10; zOut = zExtra = sqlite3Malloc( nOut ); if( zOut==0 ){ - pAccum->accError = STRACCUM_NOMEM; + setStrAccumError(pAccum, STRACCUM_NOMEM); return; } } @@ -399,7 +447,11 @@ void sqlite3VXPrintf( case etFLOAT: case etEXP: case etGENERIC: - realvalue = va_arg(ap,double); + if( bArgList ){ + realvalue = getDoubleArg(pArgList); + }else{ + realvalue = va_arg(ap,double); + } #ifdef SQLITE_OMIT_FLOATING_POINT length = 0; #else @@ -471,7 +523,7 @@ void sqlite3VXPrintf( if( MAX(e2,0)+precision+width > etBUFSIZE - 15 ){ bufpt = zExtra = sqlite3Malloc( MAX(e2,0)+precision+width+15 ); if( bufpt==0 ){ - pAccum->accError = STRACCUM_NOMEM; + setStrAccumError(pAccum, STRACCUM_NOMEM); return; } } @@ -554,7 +606,9 @@ void sqlite3VXPrintf( #endif /* !defined(SQLITE_OMIT_FLOATING_POINT) */ break; case etSIZE: - *(va_arg(ap,int*)) = pAccum->nChar; + if( !bArgList ){ + *(va_arg(ap,int*)) = pAccum->nChar; + } length = width = 0; break; case etPERCENT: @@ -563,7 +617,12 @@ void sqlite3VXPrintf( length = 1; break; case etCHARX: - c = va_arg(ap,int); + if( bArgList ){ + bufpt = getTextArg(pArgList); + c = bufpt ? bufpt[0] : 0; + }else{ + c = va_arg(ap,int); + } buf[0] = (char)c; if( precision>=0 ){ for(idx=1; idx<precision; idx++) buf[idx] = (char)c; @@ -575,10 +634,14 @@ void sqlite3VXPrintf( break; case etSTRING: case etDYNSTRING: - bufpt = va_arg(ap,char*); + if( bArgList ){ + bufpt = getTextArg(pArgList); + }else{ + bufpt = va_arg(ap,char*); + } if( bufpt==0 ){ bufpt = ""; - }else if( xtype==etDYNSTRING ){ + }else if( xtype==etDYNSTRING && !bArgList ){ zExtra = bufpt; } if( precision>=0 ){ @@ -594,7 +657,13 @@ void sqlite3VXPrintf( int needQuote; char ch; char q = ((xtype==etSQLESCAPE3)?'"':'\''); /* Quote character */ - char *escarg = va_arg(ap,char*); + char *escarg; + + if( bArgList ){ + escarg = getTextArg(pArgList); + }else{ + escarg = va_arg(ap,char*); + } isnull = escarg==0; if( isnull ) escarg = (xtype==etSQLESCAPE2 ? "NULL" : "(NULL)"); k = precision; @@ -606,7 +675,7 @@ void sqlite3VXPrintf( if( n>etBUFSIZE ){ bufpt = zExtra = sqlite3Malloc( n ); if( bufpt==0 ){ - pAccum->accError = STRACCUM_NOMEM; + setStrAccumError(pAccum, STRACCUM_NOMEM); return; } }else{ @@ -629,7 +698,8 @@ void sqlite3VXPrintf( } case etTOKEN: { Token *pToken = va_arg(ap, Token*); - if( pToken ){ + assert( bArgList==0 ); + if( pToken && pToken->n ){ sqlite3StrAccumAppend(pAccum, (const char*)pToken->z, pToken->n); } length = width = 0; @@ -639,12 +709,13 @@ void sqlite3VXPrintf( SrcList *pSrc = va_arg(ap, SrcList*); int k = va_arg(ap, int); struct SrcList_item *pItem = &pSrc->a[k]; + assert( bArgList==0 ); assert( k>=0 && k<pSrc->nSrc ); if( pItem->zDatabase ){ - sqlite3StrAccumAppend(pAccum, pItem->zDatabase, -1); + sqlite3StrAccumAppendAll(pAccum, pItem->zDatabase); sqlite3StrAccumAppend(pAccum, ".", 1); } - sqlite3StrAccumAppend(pAccum, pItem->zName, -1); + sqlite3StrAccumAppendAll(pAccum, pItem->zName); length = width = 0; break; } @@ -675,7 +746,7 @@ void sqlite3VXPrintf( sqlite3AppendSpace(pAccum, nspace); } } - sqlite3_free(zExtra); + if( zExtra ) sqlite3_free(zExtra); }/* End for loop over the format string */ } /* End of function */ @@ -683,22 +754,20 @@ void sqlite3VXPrintf( ** Append N bytes of text from z to the StrAccum object. */ void sqlite3StrAccumAppend(StrAccum *p, const char *z, int N){ - assert( z!=0 || N==0 ); - if( p->accError ){ - testcase(p->accError==STRACCUM_TOOBIG); - testcase(p->accError==STRACCUM_NOMEM); - return; - } - assert( p->zText!=0 || p->nChar==0 ); - if( N<=0 ){ - if( N==0 || z[0]==0 ) return; - N = sqlite3Strlen30(z); - } + assert( z!=0 ); + assert( p->zText!=0 || p->nChar==0 || p->accError ); + assert( N>=0 ); + assert( p->accError==0 || p->nAlloc==0 ); if( p->nChar+N >= p->nAlloc ){ char *zNew; + if( p->accError ){ + testcase(p->accError==STRACCUM_TOOBIG); + testcase(p->accError==STRACCUM_NOMEM); + return; + } if( !p->useMalloc ){ - p->accError = STRACCUM_TOOBIG; N = p->nAlloc - p->nChar - 1; + setStrAccumError(p, STRACCUM_TOOBIG); if( N<=0 ){ return; } @@ -708,7 +777,7 @@ void sqlite3StrAccumAppend(StrAccum *p, const char *z, int N){ szNew += N + 1; if( szNew > p->mxAlloc ){ sqlite3StrAccumReset(p); - p->accError = STRACCUM_TOOBIG; + setStrAccumError(p, STRACCUM_TOOBIG); return; }else{ p->nAlloc = (int)szNew; @@ -722,8 +791,8 @@ void sqlite3StrAccumAppend(StrAccum *p, const char *z, int N){ if( zOld==0 && p->nChar>0 ) memcpy(zNew, p->zText, p->nChar); p->zText = zNew; }else{ - p->accError = STRACCUM_NOMEM; sqlite3StrAccumReset(p); + setStrAccumError(p, STRACCUM_NOMEM); return; } } @@ -734,6 +803,14 @@ void sqlite3StrAccumAppend(StrAccum *p, const char *z, int N){ } /* +** Append the complete text of zero-terminated string z[] to the p string. +*/ +void sqlite3StrAccumAppendAll(StrAccum *p, const char *z){ + sqlite3StrAccumAppend(p, z, sqlite3Strlen30(z)); +} + + +/* ** Finish off a string by making sure it is zero-terminated. ** Return a pointer to the resulting string. Return a NULL ** pointer if any kind of error was encountered. @@ -750,7 +827,7 @@ char *sqlite3StrAccumFinish(StrAccum *p){ if( p->zText ){ memcpy(p->zText, p->zBase, p->nChar+1); }else{ - p->accError = STRACCUM_NOMEM; + setStrAccumError(p, STRACCUM_NOMEM); } } } @@ -796,7 +873,7 @@ char *sqlite3VMPrintf(sqlite3 *db, const char *zFormat, va_list ap){ sqlite3StrAccumInit(&acc, zBase, sizeof(zBase), db->aLimit[SQLITE_LIMIT_LENGTH]); acc.db = db; - sqlite3VXPrintf(&acc, 1, zFormat, ap); + sqlite3VXPrintf(&acc, SQLITE_PRINTF_INTERNAL, zFormat, ap); z = sqlite3StrAccumFinish(&acc); if( acc.accError==STRACCUM_NOMEM ){ db->mallocFailed = 1; @@ -952,14 +1029,12 @@ void sqlite3DebugPrintf(const char *zFormat, ...){ } #endif -#ifndef SQLITE_OMIT_TRACE /* ** variable-argument wrapper around sqlite3VXPrintf(). */ -void sqlite3XPrintf(StrAccum *p, const char *zFormat, ...){ +void sqlite3XPrintf(StrAccum *p, u32 bFlags, const char *zFormat, ...){ va_list ap; va_start(ap,zFormat); - sqlite3VXPrintf(p, 1, zFormat, ap); + sqlite3VXPrintf(p, bFlags, zFormat, ap); va_end(ap); } -#endif |