#pragma ident "%Z%%M% %I% %E% SMI" /* ** A utility for printing all or part of an SQLite database file. */ #include <stdio.h> #include <ctype.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include <stdlib.h> static int pagesize = 1024; static int db = -1; static int mxPage = 0; static void out_of_memory(void){ fprintf(stderr,"Out of memory...\n"); exit(1); } static print_page(int iPg){ unsigned char *aData; int i, j; aData = malloc(pagesize); if( aData==0 ) out_of_memory(); lseek(db, (iPg-1)*pagesize, SEEK_SET); read(db, aData, pagesize); fprintf(stdout, "Page %d:\n", iPg); for(i=0; i<pagesize; i += 16){ fprintf(stdout, " %03x: ",i); for(j=0; j<16; j++){ fprintf(stdout,"%02x ", aData[i+j]); } for(j=0; j<16; j++){ fprintf(stdout,"%c", isprint(aData[i+j]) ? aData[i+j] : '.'); } fprintf(stdout,"\n"); } free(aData); } int main(int argc, char **argv){ struct stat sbuf; if( argc<2 ){ fprintf(stderr,"Usage: %s FILENAME ?PAGE? ...\n", 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); } fstat(db, &sbuf); mxPage = sbuf.st_size/pagesize + 1; 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; 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{ 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); }