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Overview
| Comment: | Changes to avoid a harmless UB warning from clang. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
19f5c1400054df10688ab448e7e23afe |
| User & Date: | drh 2018-01-27 14:25:27 |
Context
|
2018-01-27
| ||
| 16:29 | If a zipfile virtual table is created with no argument - "CREATE VIRTUAL TABLE zzz USING zipfile()" - accumulate data in memory. Support "SELECT zipfile_blob(z) FROM zzz LIMIT 1" to retrieve a zip archive image. check-in: e63185ed user: dan tags: trunk | |
| 14:25 | Changes to avoid a harmless UB warning from clang. check-in: 19f5c140 user: drh tags: trunk | |
| 13:55 | New test case for ticket [ec32177c99ccac2b1] that works without the STAT4. check-in: 5259d484 user: drh tags: trunk | |
Changes
Changes to src/util.c.
637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 |
while( zNum<zEnd && zNum[0]=='0' ){ zNum+=incr; } /* Skip leading zeros. */
for(i=0; &zNum[i]<zEnd && (c=zNum[i])>='0' && c<='9'; i+=incr){
u = u*10 + c - '0';
}
testcase( i==18*incr );
testcase( i==19*incr );
testcase( i==20*incr );
if( neg ){
*pNum = -(i64)u;
}else{
*pNum = (i64)u;
}
rc = 0;
if( (i==0 && zStart==zNum) /* No digits */
|| nonNum /* UTF16 with high-order bytes non-zero */
|
> > > > > > | |
637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 |
while( zNum<zEnd && zNum[0]=='0' ){ zNum+=incr; } /* Skip leading zeros. */
for(i=0; &zNum[i]<zEnd && (c=zNum[i])>='0' && c<='9'; i+=incr){
u = u*10 + c - '0';
}
testcase( i==18*incr );
testcase( i==19*incr );
testcase( i==20*incr );
if( u>LARGEST_INT64 ){
/* This test and assignment is needed only to suppress UB warnings
** from clang and -fsanitize=undefined. This test and assignment make
** the code a little larger and slower, and no harm comes from omitting
** them, but we must appaise the undefined-behavior pharisees. */
*pNum = neg ? SMALLEST_INT64 : LARGEST_INT64;
}else if( neg ){
*pNum = -(i64)u;
}else{
*pNum = (i64)u;
}
rc = 0;
if( (i==0 && zStart==zNum) /* No digits */
|| nonNum /* UTF16 with high-order bytes non-zero */
|