int main(int argc, char **argv){
struct stat sbuf;
unsigned char zPgSz[2];
if( argc<2 ){
usage(argv[0]);
exit(1);
}
db = open(argv[1], O_RDONLY);
if( db<0 ){
fprintf(stderr,"%s: can't open %s\n", argv[0], argv[1]);
exit(1);
}
zPgSz[0] = 0;
zPgSz[1] = 0;
lseek(db, 16, SEEK_SET);
read(db, zPgSz, 2);
pagesize = zPgSz[0]*256 + zPgSz[1]*65536;
if( pagesize==0 ) pagesize = 1024;
printf("Pagesize: %d\n", pagesize);
fstat(db, &sbuf);
mxPage = sbuf.st_size/pagesize;
printf("Available pages: 1..%d\n", mxPage);
if( argc==2 ){
int i;
for(i=1; i<=mxPage; i++) print_page(i);
}else{
int i;
for(i=2; i<argc; i++){
int iStart, iEnd;
char *zLeft;
if( strcmp(argv[i], "dbheader")==0 ){
print_db_header();
continue;
}
if( strcmp(argv[i], "pgidx")==0 ){
page_usage_report(argv[1]);
continue;
}
if( !isdigit(argv[i][0]) ){
fprintf(stderr, "%s: unknown option: [%s]\n", argv[0], argv[i]);
continue;
}
iStart = strtol(argv[i], &zLeft, 0);
if( zLeft && strcmp(zLeft,"..end")==0 ){
iEnd = mxPage;
}else if( zLeft && zLeft[0]=='.' && zLeft[1]=='.' ){
iEnd = strtol(&zLeft[2], 0, 0);
}else if( zLeft && zLeft[0]=='b' ){
int ofst, nByte, hdrSize;
unsigned char *a;
if( iStart==1 ){
ofst = hdrSize = 100;
nByte = pagesize-100;
}else{
hdrSize = 0;
ofst = (iStart-1)*pagesize;
nByte = pagesize;
}
a = getContent(ofst, nByte);
decode_btree_page(a, iStart, hdrSize, &zLeft[1]);
free(a);
continue;
}else if( zLeft && zLeft[0]=='t' ){
unsigned char *a;
int detail = 0;
int recursive = 0;
int i;
for(i=1; zLeft[i]; i++){
if( zLeft[i]=='r' ) recursive = 1;
if( zLeft[i]=='d' ) detail = 1;
}
decode_trunk_page(iStart, pagesize, detail, recursive);
continue;
}else{
iEnd = iStart;
}
if( iStart<1 || iEnd<iStart || iEnd>mxPage ){
fprintf(stderr,
"Page argument should be LOWER?..UPPER?. Range 1 to %d\n",
mxPage);
exit(1);
}
while( iStart<=iEnd ){
print_page(iStart);
iStart++;
}
}
}
close(db);
}
int main(int argc, char **argv){
sqlite3_int64 szFile;
unsigned char *zPgSz;
const char *zPrg = argv[0]; /* Name of this executable */
char **azArg = argv;
int nArg = argc;
/* Check for the "--uri" or "-uri" switch. */
if( nArg>1 ){
if( sqlite3_stricmp("-raw", azArg[1])==0
|| sqlite3_stricmp("--raw", azArg[1])==0
){
g.bRaw = 1;
azArg++;
nArg--;
}
}
if( nArg<2 ){
usage(zPrg);
exit(1);
}
fileOpen(zPrg, azArg[1]);
szFile = fileGetsize();
zPgSz = fileRead(16, 2);
g.pagesize = zPgSz[0]*256 + zPgSz[1]*65536;
if( g.pagesize==0 ) g.pagesize = 1024;
sqlite3_free(zPgSz);
printf("Pagesize: %d\n", g.pagesize);
g.mxPage = (int)((szFile+g.pagesize-1)/g.pagesize);
printf("Available pages: 1..%d\n", g.mxPage);
if( nArg==2 ){
int i;
for(i=1; i<=g.mxPage; i++) print_page(i);
}else{
int i;
for(i=2; i<nArg; i++){
int iStart, iEnd;
char *zLeft;
if( strcmp(azArg[i], "dbheader")==0 ){
print_db_header();
continue;
}
if( strcmp(azArg[i], "pgidx")==0 ){
page_usage_report(zPrg, azArg[1]);
continue;
}
if( strcmp(azArg[i], "ptrmap")==0 ){
ptrmap_coverage_report(azArg[1]);
continue;
}
if( strcmp(azArg[i], "help")==0 ){
usage(zPrg);
continue;
}
if( !ISDIGIT(azArg[i][0]) ){
fprintf(stderr, "%s: unknown option: [%s]\n", zPrg, azArg[i]);
continue;
}
iStart = strtol(azArg[i], &zLeft, 0);
if( zLeft && strcmp(zLeft,"..end")==0 ){
iEnd = g.mxPage;
}else if( zLeft && zLeft[0]=='.' && zLeft[1]=='.' ){
iEnd = strtol(&zLeft[2], 0, 0);
}else if( zLeft && zLeft[0]=='b' ){
int ofst, nByte, hdrSize;
unsigned char *a;
if( iStart==1 ){
ofst = hdrSize = 100;
nByte = g.pagesize-100;
}else{
hdrSize = 0;
ofst = (iStart-1)*g.pagesize;
nByte = g.pagesize;
}
a = fileRead(ofst, nByte);
decode_btree_page(a, iStart, hdrSize, &zLeft[1]);
sqlite3_free(a);
continue;
}else if( zLeft && zLeft[0]=='t' ){
int detail = 0;
int recursive = 0;
int j;
for(j=1; zLeft[j]; j++){
if( zLeft[j]=='r' ) recursive = 1;
if( zLeft[j]=='d' ) detail = 1;
}
decode_trunk_page(iStart, detail, recursive);
continue;
}else{
iEnd = iStart;
}
if( iStart<1 || iEnd<iStart || iEnd>g.mxPage ){
fprintf(stderr,
"Page argument should be LOWER?..UPPER?. Range 1 to %d\n",
g.mxPage);
exit(1);
}
while( iStart<=iEnd ){
print_page(iStart);
iStart++;
}
}
}
fileClose();
return 0;
}