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