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Overview
| Comment: | Fix tool/showwal.c so that it handles WAL files that contain 64KiB pages. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
4060efb646c873c4abde7ab9ddf33048 |
| User & Date: | dan 2014-09-15 16:53:23 |
Context
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2014-09-16
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| 03:24 | Performance improvement to the sqlite3MemCompare() routine by factoring out sqlite3BlobCompare(). check-in: 20ed2321 user: drh tags: trunk | |
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2014-09-15
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| 16:57 | Merge latest trunk fixes into this branch. check-in: 5efafef5 user: dan tags: ota-update | |
| 16:53 | Fix tool/showwal.c so that it handles WAL files that contain 64KiB pages. check-in: 4060efb6 user: dan tags: trunk | |
| 16:50 | Avoid attempting to call the xFetch() method of an sqlite3_io_methods object with a version number less than 3. check-in: dedaa6fb user: dan tags: trunk | |
Changes
Changes to tool/showwal.c.
506 506 } 507 507 free(zMap); 508 508 } 509 509 } 510 510 511 511 int main(int argc, char **argv){ 512 512 struct stat sbuf; 513 - unsigned char zPgSz[2]; 513 + unsigned char zPgSz[4]; 514 514 if( argc<2 ){ 515 515 fprintf(stderr,"Usage: %s FILENAME ?PAGE? ...\n", argv[0]); 516 516 exit(1); 517 517 } 518 518 fd = open(argv[1], O_RDONLY); 519 519 if( fd<0 ){ 520 520 fprintf(stderr,"%s: can't open %s\n", argv[0], argv[1]); 521 521 exit(1); 522 522 } 523 523 zPgSz[0] = 0; 524 524 zPgSz[1] = 0; 525 - lseek(fd, 10, SEEK_SET); 526 - read(fd, zPgSz, 2); 527 - pagesize = zPgSz[0]*256 + zPgSz[1]; 525 + lseek(fd, 8, SEEK_SET); 526 + read(fd, zPgSz, 4); 527 + pagesize = zPgSz[1]*65536 + zPgSz[2]*256 + zPgSz[3]; 528 528 if( pagesize==0 ) pagesize = 1024; 529 529 printf("Pagesize: %d\n", pagesize); 530 530 fstat(fd, &sbuf); 531 531 if( sbuf.st_size<32 ){ 532 532 printf("file too small to be a WAL\n"); 533 533 return 0; 534 534 }