1*c5c4113dSnw141292 2*c5c4113dSnw141292 #pragma ident "%Z%%M% %I% %E% SMI" 3*c5c4113dSnw141292 4*c5c4113dSnw141292 /* 5*c5c4113dSnw141292 ** A utility for printing all or part of an SQLite database file. 6*c5c4113dSnw141292 */ 7*c5c4113dSnw141292 #include <stdio.h> 8*c5c4113dSnw141292 #include <ctype.h> 9*c5c4113dSnw141292 #include <sys/types.h> 10*c5c4113dSnw141292 #include <sys/stat.h> 11*c5c4113dSnw141292 #include <fcntl.h> 12*c5c4113dSnw141292 #include <unistd.h> 13*c5c4113dSnw141292 #include <stdlib.h> 14*c5c4113dSnw141292 15*c5c4113dSnw141292 16*c5c4113dSnw141292 static int pagesize = 1024; 17*c5c4113dSnw141292 static int db = -1; 18*c5c4113dSnw141292 static int mxPage = 0; 19*c5c4113dSnw141292 20*c5c4113dSnw141292 static void out_of_memory(void){ 21*c5c4113dSnw141292 fprintf(stderr,"Out of memory...\n"); 22*c5c4113dSnw141292 exit(1); 23*c5c4113dSnw141292 } 24*c5c4113dSnw141292 25*c5c4113dSnw141292 static print_page(int iPg){ 26*c5c4113dSnw141292 unsigned char *aData; 27*c5c4113dSnw141292 int i, j; 28*c5c4113dSnw141292 aData = malloc(pagesize); 29*c5c4113dSnw141292 if( aData==0 ) out_of_memory(); 30*c5c4113dSnw141292 lseek(db, (iPg-1)*pagesize, SEEK_SET); 31*c5c4113dSnw141292 read(db, aData, pagesize); 32*c5c4113dSnw141292 fprintf(stdout, "Page %d:\n", iPg); 33*c5c4113dSnw141292 for(i=0; i<pagesize; i += 16){ 34*c5c4113dSnw141292 fprintf(stdout, " %03x: ",i); 35*c5c4113dSnw141292 for(j=0; j<16; j++){ 36*c5c4113dSnw141292 fprintf(stdout,"%02x ", aData[i+j]); 37*c5c4113dSnw141292 } 38*c5c4113dSnw141292 for(j=0; j<16; j++){ 39*c5c4113dSnw141292 fprintf(stdout,"%c", isprint(aData[i+j]) ? aData[i+j] : '.'); 40*c5c4113dSnw141292 } 41*c5c4113dSnw141292 fprintf(stdout,"\n"); 42*c5c4113dSnw141292 } 43*c5c4113dSnw141292 free(aData); 44*c5c4113dSnw141292 } 45*c5c4113dSnw141292 46*c5c4113dSnw141292 int main(int argc, char **argv){ 47*c5c4113dSnw141292 struct stat sbuf; 48*c5c4113dSnw141292 if( argc<2 ){ 49*c5c4113dSnw141292 fprintf(stderr,"Usage: %s FILENAME ?PAGE? ...\n", argv[0]); 50*c5c4113dSnw141292 exit(1); 51*c5c4113dSnw141292 } 52*c5c4113dSnw141292 db = open(argv[1], O_RDONLY); 53*c5c4113dSnw141292 if( db<0 ){ 54*c5c4113dSnw141292 fprintf(stderr,"%s: can't open %s\n", argv[0], argv[1]); 55*c5c4113dSnw141292 exit(1); 56*c5c4113dSnw141292 } 57*c5c4113dSnw141292 fstat(db, &sbuf); 58*c5c4113dSnw141292 mxPage = sbuf.st_size/pagesize + 1; 59*c5c4113dSnw141292 if( argc==2 ){ 60*c5c4113dSnw141292 int i; 61*c5c4113dSnw141292 for(i=1; i<=mxPage; i++) print_page(i); 62*c5c4113dSnw141292 }else{ 63*c5c4113dSnw141292 int i; 64*c5c4113dSnw141292 for(i=2; i<argc; i++){ 65*c5c4113dSnw141292 int iStart, iEnd; 66*c5c4113dSnw141292 char *zLeft; 67*c5c4113dSnw141292 iStart = strtol(argv[i], &zLeft, 0); 68*c5c4113dSnw141292 if( zLeft && strcmp(zLeft,"..end")==0 ){ 69*c5c4113dSnw141292 iEnd = mxPage; 70*c5c4113dSnw141292 }else if( zLeft && zLeft[0]=='.' && zLeft[1]=='.' ){ 71*c5c4113dSnw141292 iEnd = strtol(&zLeft[2], 0, 0); 72*c5c4113dSnw141292 }else{ 73*c5c4113dSnw141292 iEnd = iStart; 74*c5c4113dSnw141292 } 75*c5c4113dSnw141292 if( iStart<1 || iEnd<iStart || iEnd>mxPage ){ 76*c5c4113dSnw141292 fprintf(stderr, 77*c5c4113dSnw141292 "Page argument should be LOWER?..UPPER?. Range 1 to %d\n", 78*c5c4113dSnw141292 mxPage); 79*c5c4113dSnw141292 exit(1); 80*c5c4113dSnw141292 } 81*c5c4113dSnw141292 while( iStart<=iEnd ){ 82*c5c4113dSnw141292 print_page(iStart); 83*c5c4113dSnw141292 iStart++; 84*c5c4113dSnw141292 } 85*c5c4113dSnw141292 } 86*c5c4113dSnw141292 } 87*c5c4113dSnw141292 close(db); 88*c5c4113dSnw141292 } 89