Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Fix the %c substitution in printf() so that it works with unicode characters. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | printf-enhancement |
| Files: | files | file ages | folders |
| SHA3-256: |
c35be1d9e9132fbadc74d207c1088e5a |
| User & Date: | drh 2018-02-19 18:56:52 |
Context
|
2018-02-19
| ||
| 20:23 | Test cases and a bug fix on the new unicode handling in %c. (check-in: e41d64e9 user: drh tags: printf-enhancement) | |
| 18:56 | Fix the %c substitution in printf() so that it works with unicode characters. (check-in: c35be1d9 user: drh tags: printf-enhancement) | |
| 18:03 | Make the alternate-form-2 flag ("!") change the meaning of width and precision from bytes to characters for the %q, %Q, and %w extensions of printf(). (check-in: 391540ac user: drh tags: printf-enhancement) | |
Changes
Changes to src/printf.c.
620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 |
buf[0] = '%';
bufpt = buf;
length = 1;
break;
case etCHARX:
if( bArgList ){
bufpt = getTextArg(pArgList);
c = bufpt ? bufpt[0] : 0;
}else{
c = va_arg(ap,int);
}
if( precision>1 ){
width -= precision-1;
if( width>1 && !flag_leftjustify ){
sqlite3AppendChar(pAccum, width-1, ' ');
width = 0;
}
sqlite3AppendChar(pAccum, precision-1, c);
}
length = 1;
buf[0] = c;
bufpt = buf;
break;
case etSTRING:
case etDYNSTRING:
if( bArgList ){
bufpt = getTextArg(pArgList);
xtype = etSTRING;
|
> | > > > > > > > > | > > > > > > > > > > > > > > > > > > > | > | < < > |
620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 |
buf[0] = '%';
bufpt = buf;
length = 1;
break;
case etCHARX:
if( bArgList ){
bufpt = getTextArg(pArgList);
length = 0;
if( bufpt ){
buf[0] = c = *(bufpt++);
length = 1;
if( (c&0xc0)==0xc0 ){
while( length<4 && (bufpt[0]&0xc0)==0x80 ){
buf[length++] = *(bufpt++);
}
}
}
}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;
}
}
if( precision>1 ){
width -= precision-1;
if( width>1 && !flag_leftjustify ){
sqlite3AppendChar(pAccum, width-1, ' ');
width = 0;
}
while( precision-- > 1 ){
sqlite3StrAccumAppend(pAccum, buf, length);
}
}
bufpt = buf;
break;
case etSTRING:
case etDYNSTRING:
if( bArgList ){
bufpt = getTextArg(pArgList);
xtype = etSTRING;
|