third_party/sqlite/sqlite-src-3280000/ext/lsm1/lsm-test/lsmtest_bt.c

#include "lsmtest.h"
#include "bt.h"

int do_bt(int nArg, char **azArg){
  struct Option {
    const char *zName;
    int bPgno;
    int eOpt;
  } aOpt [] = { 
    { "dbhdr",          0, BT_INFO_HDRDUMP },
    { "filename",       0, BT_INFO_FILENAME },
    { "block_freelist", 0, BT_INFO_BLOCK_FREELIST },
    { "page_freelist",  0, BT_INFO_PAGE_FREELIST },
    { "filename",       0, BT_INFO_FILENAME },
    { "page",           1, BT_INFO_PAGEDUMP },
    { "page_ascii",     1, BT_INFO_PAGEDUMP_ASCII },
    { "leaks",          0, BT_INFO_PAGE_LEAKS },
    { 0, 0 } 
  };
  int iOpt;
  int rc;
  bt_info buf;
  char *zOpt;
  char *zFile;

  bt_db *db = 0;

  if( nArg<2 ){
    testPrintUsage("FILENAME OPTION ...");
    return -1;
  }
  zFile = azArg[0];
  zOpt = azArg[1];

  rc = testArgSelect(aOpt, "option", zOpt, &iOpt);
  if( rc!=0 ) return rc;
  if( nArg!=2+aOpt[iOpt].bPgno ){
    testPrintFUsage("FILENAME %s %s", zOpt, aOpt[iOpt].bPgno ? "PGNO" : "");
    return -4;
  }

  rc = sqlite4BtNew(sqlite4_env_default(), 0, &db);
  if( rc!=SQLITE4_OK ){
    testPrintError("sqlite4BtNew() failed: %d", rc);
    return -2;
  }
  rc = sqlite4BtOpen(db, zFile);
  if( rc!=SQLITE4_OK ){
    testPrintError("sqlite4BtOpen() failed: %d", rc);
    return -3;
  }

  buf.eType = aOpt[iOpt].eOpt;
  buf.pgno = 0;
  sqlite4_buffer_init(&buf.output, 0);

  if( aOpt[iOpt].bPgno ){
    buf.pgno = (u32)atoi(azArg[2]);
  }

  rc = sqlite4BtControl(db, BT_CONTROL_INFO, &buf);
  if( rc!=SQLITE4_OK ){
    testPrintError("sqlite4BtControl() failed: %d\n", rc);
    return -4;
  }

  printf("%s\n", (char*)buf.output.p);
  sqlite4_buffer_clear(&buf.output);
  return 0;
}