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-rw-r--r--src/printf.c167
1 files changed, 115 insertions, 52 deletions
diff --git a/src/printf.c b/src/printf.c
index c0dcc5d0f..669ca26b0 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -25,17 +25,17 @@
#define etPERCENT 7 /* Percent symbol. %% */
#define etCHARX 8 /* Characters. %c */
/* The rest are extensions, not normally found in printf() */
-#define etSQLESCAPE 9 /* Strings with '\'' doubled. %q */
-#define etSQLESCAPE2 10 /* Strings with '\'' doubled and enclosed in '',
- NULL pointers replaced by SQL NULL. %Q */
-#define etTOKEN 11 /* a pointer to a Token structure */
-#define etSRCITEM 12 /* a pointer to a SrcItem */
-#define etPOINTER 13 /* The %p conversion */
-#define etSQLESCAPE3 14 /* %w -> Strings with '\"' doubled */
-#define etORDINAL 15 /* %r -> 1st, 2nd, 3rd, 4th, etc. English only */
-#define etDECIMAL 16 /* %d or %u, but not %x, %o */
+#define etESCAPE_q 9 /* Strings with '\'' doubled. %q */
+#define etESCAPE_Q 10 /* Strings with '\'' doubled and enclosed in '',
+ NULL pointers replaced by SQL NULL. %Q */
+#define etTOKEN 11 /* a pointer to a Token structure */
+#define etSRCITEM 12 /* a pointer to a SrcItem */
+#define etPOINTER 13 /* The %p conversion */
+#define etESCAPE_w 14 /* %w -> Strings with '\"' doubled */
+#define etORDINAL 15 /* %r -> 1st, 2nd, 3rd, 4th, etc. English only */
+#define etDECIMAL 16 /* %d or %u, but not %x, %o */
-#define etINVALID 17 /* Any unrecognized conversion type */
+#define etINVALID 17 /* Any unrecognized conversion type */
/*
@@ -74,9 +74,9 @@ static const et_info fmtinfo[] = {
{ 's', 0, 4, etSTRING, 0, 0 },
{ 'g', 0, 1, etGENERIC, 30, 0 },
{ 'z', 0, 4, etDYNSTRING, 0, 0 },
- { 'q', 0, 4, etSQLESCAPE, 0, 0 },
- { 'Q', 0, 4, etSQLESCAPE2, 0, 0 },
- { 'w', 0, 4, etSQLESCAPE3, 0, 0 },
+ { 'q', 0, 4, etESCAPE_q, 0, 0 },
+ { 'Q', 0, 4, etESCAPE_Q, 0, 0 },
+ { 'w', 0, 4, etESCAPE_w, 0, 0 },
{ 'c', 0, 0, etCHARX, 0, 0 },
{ 'o', 8, 0, etRADIX, 0, 2 },
{ 'u', 10, 0, etDECIMAL, 0, 0 },
@@ -416,6 +416,14 @@ void sqlite3_str_vappendf(
}
prefix = 0;
}
+
+#if WHERETRACE_ENABLED
+ if( xtype==etPOINTER && sqlite3WhereTrace & 0x100000 ) longvalue = 0;
+#endif
+#if TREETRACE_ENABLED
+ if( xtype==etPOINTER && sqlite3TreeTrace & 0x100000 ) longvalue = 0;
+#endif
+
if( longvalue==0 ) flag_alternateform = 0;
if( flag_zeropad && precision<width-(prefix!=0) ){
precision = width-(prefix!=0);
@@ -673,25 +681,7 @@ void sqlite3_str_vappendf(
}
}else{
unsigned int ch = va_arg(ap,unsigned int);
- if( ch<0x00080 ){
- buf[0] = ch & 0xff;
- length = 1;
- }else if( ch<0x00800 ){
- buf[0] = 0xc0 + (u8)((ch>>6)&0x1f);
- buf[1] = 0x80 + (u8)(ch & 0x3f);
- length = 2;
- }else if( ch<0x10000 ){
- buf[0] = 0xe0 + (u8)((ch>>12)&0x0f);
- buf[1] = 0x80 + (u8)((ch>>6) & 0x3f);
- buf[2] = 0x80 + (u8)(ch & 0x3f);
- length = 3;
- }else{
- buf[0] = 0xf0 + (u8)((ch>>18) & 0x07);
- buf[1] = 0x80 + (u8)((ch>>12) & 0x3f);
- buf[2] = 0x80 + (u8)((ch>>6) & 0x3f);
- buf[3] = 0x80 + (u8)(ch & 0x3f);
- length = 4;
- }
+ length = sqlite3AppendOneUtf8Character(buf, ch);
}
if( precision>1 ){
i64 nPrior = 1;
@@ -771,22 +761,31 @@ void sqlite3_str_vappendf(
while( ii>=0 ) if( (bufpt[ii--] & 0xc0)==0x80 ) width++;
}
break;
- case etSQLESCAPE: /* %q: Escape ' characters */
- case etSQLESCAPE2: /* %Q: Escape ' and enclose in '...' */
- case etSQLESCAPE3: { /* %w: Escape " characters */
+ case etESCAPE_q: /* %q: Escape ' characters */
+ case etESCAPE_Q: /* %Q: Escape ' and enclose in '...' */
+ case etESCAPE_w: { /* %w: Escape " characters */
i64 i, j, k, n;
- int needQuote, isnull;
+ int needQuote = 0;
char ch;
- char q = ((xtype==etSQLESCAPE3)?'"':'\''); /* Quote character */
char *escarg;
+ char q;
if( bArgList ){
escarg = getTextArg(pArgList);
}else{
escarg = va_arg(ap,char*);
}
- isnull = escarg==0;
- if( isnull ) escarg = (xtype==etSQLESCAPE2 ? "NULL" : "(NULL)");
+ if( escarg==0 ){
+ escarg = (xtype==etESCAPE_Q ? "NULL" : "(NULL)");
+ }else if( xtype==etESCAPE_Q ){
+ needQuote = 1;
+ }
+ if( xtype==etESCAPE_w ){
+ q = '"';
+ flag_alternateform = 0;
+ }else{
+ q = '\'';
+ }
/* For %q, %Q, and %w, the precision is the number of bytes (or
** characters if the ! flags is present) to use from the input.
** Because of the extra quoting characters inserted, the number
@@ -799,7 +798,30 @@ void sqlite3_str_vappendf(
while( (escarg[i+1]&0xc0)==0x80 ){ i++; }
}
}
- needQuote = !isnull && xtype==etSQLESCAPE2;
+ if( flag_alternateform ){
+ /* For %#q, do unistr()-style backslash escapes for
+ ** all control characters, and for backslash itself.
+ ** For %#Q, do the same but only if there is at least
+ ** one control character. */
+ u32 nBack = 0;
+ u32 nCtrl = 0;
+ for(k=0; k<i; k++){
+ if( escarg[k]=='\\' ){
+ nBack++;
+ }else if( ((u8*)escarg)[k]<=0x1f ){
+ nCtrl++;
+ }
+ }
+ if( nCtrl || xtype==etESCAPE_q ){
+ n += nBack + 5*nCtrl;
+ if( xtype==etESCAPE_Q ){
+ n += 10;
+ needQuote = 2;
+ }
+ }else{
+ flag_alternateform = 0;
+ }
+ }
n += i + 3;
if( n>etBUFSIZE ){
bufpt = zExtra = printfTempBuf(pAccum, n);
@@ -808,13 +830,41 @@ void sqlite3_str_vappendf(
bufpt = buf;
}
j = 0;
- if( needQuote ) bufpt[j++] = q;
+ if( needQuote ){
+ if( needQuote==2 ){
+ memcpy(&bufpt[j], "unistr('", 8);
+ j += 8;
+ }else{
+ bufpt[j++] = '\'';
+ }
+ }
k = i;
- for(i=0; i<k; i++){
- bufpt[j++] = ch = escarg[i];
- if( ch==q ) bufpt[j++] = ch;
+ if( flag_alternateform ){
+ for(i=0; i<k; i++){
+ bufpt[j++] = ch = escarg[i];
+ if( ch==q ){
+ bufpt[j++] = ch;
+ }else if( ch=='\\' ){
+ bufpt[j++] = '\\';
+ }else if( ((unsigned char)ch)<=0x1f ){
+ bufpt[j-1] = '\\';
+ bufpt[j++] = 'u';
+ bufpt[j++] = '0';
+ bufpt[j++] = '0';
+ bufpt[j++] = ch>=0x10 ? '1' : '0';
+ bufpt[j++] = "0123456789abcdef"[ch&0xf];
+ }
+ }
+ }else{
+ for(i=0; i<k; i++){
+ bufpt[j++] = ch = escarg[i];
+ if( ch==q ) bufpt[j++] = ch;
+ }
+ }
+ if( needQuote ){
+ bufpt[j++] = '\'';
+ if( needQuote==2 ) bufpt[j++] = ')';
}
- if( needQuote ) bufpt[j++] = q;
bufpt[j] = 0;
length = j;
goto adjust_width_for_utf8;
@@ -848,16 +898,19 @@ void sqlite3_str_vappendf(
if( pItem->zAlias && !flag_altform2 ){
sqlite3_str_appendall(pAccum, pItem->zAlias);
}else if( pItem->zName ){
- if( pItem->zDatabase ){
- sqlite3_str_appendall(pAccum, pItem->zDatabase);
+ if( pItem->fg.fixedSchema==0
+ && pItem->fg.isSubquery==0
+ && pItem->u4.zDatabase!=0
+ ){
+ sqlite3_str_appendall(pAccum, pItem->u4.zDatabase);
sqlite3_str_append(pAccum, ".", 1);
}
sqlite3_str_appendall(pAccum, pItem->zName);
}else if( pItem->zAlias ){
sqlite3_str_appendall(pAccum, pItem->zAlias);
- }else{
- Select *pSel = pItem->pSelect;
- assert( pSel!=0 ); /* Because of tag-20240424-1 */
+ }else if( ALWAYS(pItem->fg.isSubquery) ){/* Because of tag-20240424-1 */
+ Select *pSel = pItem->u4.pSubq->pSelect;
+ assert( pSel!=0 );
if( pSel->selFlags & SF_NestedFrom ){
sqlite3_str_appendf(pAccum, "(join-%u)", pSel->selId);
}else if( pSel->selFlags & SF_MultiValue ){
@@ -935,6 +988,7 @@ void sqlite3RecordErrorOffsetOfExpr(sqlite3 *db, const Expr *pExpr){
pExpr = pExpr->pLeft;
}
if( pExpr==0 ) return;
+ if( ExprHasProperty(pExpr, EP_FromDDL) ) return;
db->errByteOffset = pExpr->w.iOfst;
}
@@ -1053,7 +1107,7 @@ void sqlite3_str_appendall(sqlite3_str *p, const char *z){
static SQLITE_NOINLINE char *strAccumFinishRealloc(StrAccum *p){
char *zText;
assert( p->mxAlloc>0 && !isMalloced(p) );
- zText = sqlite3DbMallocRaw(p->db, p->nChar+1 );
+ zText = sqlite3DbMallocRaw(p->db, 1+(u64)p->nChar );
if( zText ){
memcpy(zText, p->zText, p->nChar+1);
p->printfFlags |= SQLITE_PRINTF_MALLOCED;
@@ -1298,6 +1352,15 @@ char *sqlite3_snprintf(int n, char *zBuf, const char *zFormat, ...){
return zBuf;
}
+/* Maximum size of an sqlite3_log() message. */
+#if defined(SQLITE_MAX_LOG_MESSAGE)
+ /* Leave the definition as supplied */
+#elif SQLITE_PRINT_BUF_SIZE*10>10000
+# define SQLITE_MAX_LOG_MESSAGE 10000
+#else
+# define SQLITE_MAX_LOG_MESSAGE (SQLITE_PRINT_BUF_SIZE*10)
+#endif
+
/*
** This is the routine that actually formats the sqlite3_log() message.
** We house it in a separate routine from sqlite3_log() to avoid using
@@ -1314,7 +1377,7 @@ char *sqlite3_snprintf(int n, char *zBuf, const char *zFormat, ...){
*/
static void renderLogMsg(int iErrCode, const char *zFormat, va_list ap){
StrAccum acc; /* String accumulator */
- char zMsg[SQLITE_PRINT_BUF_SIZE*3]; /* Complete log message */
+ char zMsg[SQLITE_MAX_LOG_MESSAGE]; /* Complete log message */
sqlite3StrAccumInit(&acc, 0, zMsg, sizeof(zMsg), 0);
sqlite3_str_vappendf(&acc, zFormat, ap);
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-18 17:33:20 +0000