C++ (Cpp) tchdbiternext3 예제들

예제 #1

파일: tchmgr.c 프로젝트: kadoma/fms

/* perform list command */
static int proclist(const char *path, int omode, bool pv, bool px){
  TCHDB *hdb = tchdbnew();
  if(g_dbgfd >= 0) tchdbsetdbgfd(hdb, g_dbgfd);
  if(!tchdbopen(hdb, path, HDBOREADER | omode)){
    printerr(hdb);
    tchdbdel(hdb);
    return 1;
  }
  bool err = false;
  if(!tchdbiterinit(hdb)){
    printerr(hdb);
    err = true;
  }
  TCXSTR *key = tcxstrnew();
  TCXSTR *val = tcxstrnew();
  while(tchdbiternext3(hdb, key, val)){
    printdata(tcxstrptr(key), tcxstrsize(key), px);
    if(pv){
      putchar('\t');
      printdata(tcxstrptr(val), tcxstrsize(val), px);
    }
    putchar('\n');
  }
  tcxstrdel(val);
  tcxstrdel(key);
  if(!tchdbclose(hdb)){
    if(!err) printerr(hdb);
    err = true;
  }
  tchdbdel(hdb);
  return err ? 1 : 0;
}

예제 #2

파일: tchmgr.c 프로젝트: Fleurer/nanodb

/* perform list command */
static int proclist(const char *path, int omode, int max, bool pv, bool px, const char *fmstr){
  TCHDB *hdb = tchdbnew();
  if(g_dbgfd >= 0) tchdbsetdbgfd(hdb, g_dbgfd);
  if(!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) printerr(hdb);
  if(!tchdbopen(hdb, path, HDBOREADER | omode)){
    printerr(hdb);
    tchdbdel(hdb);
    return 1;
  }
  bool err = false;
  if(fmstr){
    TCLIST *keys = tchdbfwmkeys2(hdb, fmstr, max);
    for(int i = 0; i < tclistnum(keys); i++){
      int ksiz;
      const char *kbuf = tclistval(keys, i, &ksiz);
      printdata(kbuf, ksiz, px);
      if(pv){
        int vsiz;
        char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
        if(vbuf){
          putchar('\t');
          printdata(vbuf, vsiz, px);
          tcfree(vbuf);
        }
      }
      putchar('\n');
    }
    tclistdel(keys);
  } else {
    if(!tchdbiterinit(hdb)){
      printerr(hdb);
      err = true;
    }
    TCXSTR *key = tcxstrnew();
    TCXSTR *val = tcxstrnew();
    int cnt = 0;
    while(tchdbiternext3(hdb, key, val)){
      printdata(tcxstrptr(key), tcxstrsize(key), px);
      if(pv){
        putchar('\t');
        printdata(tcxstrptr(val), tcxstrsize(val), px);
      }
      putchar('\n');
      if(max >= 0 && ++cnt >= max) break;
    }
    tcxstrdel(val);
    tcxstrdel(key);
  }
  if(!tchdbclose(hdb)){
    if(!err) printerr(hdb);
    err = true;
  }
  tchdbdel(hdb);
  return err ? 1 : 0;
}