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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
| ||
| 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.
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}
free(zMap);
}
}
int main(int argc, char **argv){
struct stat sbuf;
unsigned char zPgSz[2];
if( argc<2 ){
fprintf(stderr,"Usage: %s FILENAME ?PAGE? ...\n", argv[0]);
exit(1);
}
fd = open(argv[1], O_RDONLY);
if( fd<0 ){
fprintf(stderr,"%s: can't open %s\n", argv[0], argv[1]);
exit(1);
}
zPgSz[0] = 0;
zPgSz[1] = 0;
lseek(fd, 10, SEEK_SET);
read(fd, zPgSz, 2);
pagesize = zPgSz[0]*256 + zPgSz[1];
if( pagesize==0 ) pagesize = 1024;
printf("Pagesize: %d\n", pagesize);
fstat(fd, &sbuf);
if( sbuf.st_size<32 ){
printf("file too small to be a WAL\n");
return 0;
}
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}
free(zMap);
}
}
int main(int argc, char **argv){
struct stat sbuf;
unsigned char zPgSz[4];
if( argc<2 ){
fprintf(stderr,"Usage: %s FILENAME ?PAGE? ...\n", argv[0]);
exit(1);
}
fd = open(argv[1], O_RDONLY);
if( fd<0 ){
fprintf(stderr,"%s: can't open %s\n", argv[0], argv[1]);
exit(1);
}
zPgSz[0] = 0;
zPgSz[1] = 0;
lseek(fd, 8, SEEK_SET);
read(fd, zPgSz, 4);
pagesize = zPgSz[1]*65536 + zPgSz[2]*256 + zPgSz[3];
if( pagesize==0 ) pagesize = 1024;
printf("Pagesize: %d\n", pagesize);
fstat(fd, &sbuf);
if( sbuf.st_size<32 ){
printf("file too small to be a WAL\n");
return 0;
}
|