diff options
Diffstat (limited to 'usr/src/lib/libsqlite/tool/diffdb.c')
-rw-r--r-- | usr/src/lib/libsqlite/tool/diffdb.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/usr/src/lib/libsqlite/tool/diffdb.c b/usr/src/lib/libsqlite/tool/diffdb.c new file mode 100644 index 0000000000..8b94871fd5 --- /dev/null +++ b/usr/src/lib/libsqlite/tool/diffdb.c @@ -0,0 +1,47 @@ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* +** A utility for printing the differences between two SQLite database files. +*/ +#include <stdio.h> +#include <ctype.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdlib.h> + + +#define PAGESIZE 1024 +static int db1 = -1; +static int db2 = -1; + +int main(int argc, char **argv){ + int iPg; + unsigned char a1[PAGESIZE], a2[PAGESIZE]; + if( argc!=3 ){ + fprintf(stderr,"Usage: %s FILENAME FILENAME\n", argv[0]); + exit(1); + } + db1 = open(argv[1], O_RDONLY); + if( db1<0 ){ + fprintf(stderr,"%s: can't open %s\n", argv[0], argv[1]); + exit(1); + } + db2 = open(argv[2], O_RDONLY); + if( db2<0 ){ + fprintf(stderr,"%s: can't open %s\n", argv[0], argv[2]); + exit(1); + } + iPg = 1; + while( read(db1, a1, PAGESIZE)==PAGESIZE && read(db2,a2,PAGESIZE)==PAGESIZE ){ + if( memcmp(a1,a2,PAGESIZE) ){ + printf("Page %d\n", iPg); + } + iPg++; + } + printf("%d pages checked\n", iPg-1); + close(db1); + close(db2); +} |