示例#1
0
int
setselections(const char *const *argv)
{
  const struct namevalue *nv;
  struct pkginfo *pkg;
  const char *e;
  int c, lno;
  struct varbuf namevb = VARBUF_INIT;
  struct varbuf selvb = VARBUF_INIT;

  if (*argv)
    badusage(_("--%s takes no arguments"), cipaction->olong);

  modstatdb_open(msdbrw_write | msdbrw_available_readonly);

  lno= 1;
  for (;;) {
    do { c= getchar(); if (c == '\n') lno++; } while (c != EOF && isspace(c));
    if (c == EOF) break;
    if (c == '#') {
      do { c= getchar(); if (c == '\n') lno++; } while (c != EOF && c != '\n');
      continue;
    }

    varbuf_reset(&namevb);
    while (!isspace(c)) {
      varbuf_add_char(&namevb, c);
      c= getchar();
      if (c == EOF) ohshit(_("unexpected eof in package name at line %d"),lno);
      if (c == '\n') ohshit(_("unexpected end of line in package name at line %d"),lno);
    }
    varbuf_end_str(&namevb);

    while (c != EOF && isspace(c)) {
      c= getchar();
      if (c == EOF) ohshit(_("unexpected eof after package name at line %d"),lno);
      if (c == '\n') ohshit(_("unexpected end of line after package name at line %d"),lno);
    }

    varbuf_reset(&selvb);
    while (c != EOF && !isspace(c)) {
      varbuf_add_char(&selvb, c);
      c= getchar();
    }
    varbuf_end_str(&selvb);

    while (c != EOF && c != '\n') {
      c= getchar();
      if (!isspace(c))
        ohshit(_("unexpected data after package and selection at line %d"),lno);
    }
    e = pkg_name_is_illegal(namevb.buf);
    if (e) ohshit(_("illegal package name at line %d: %.250s"),lno,e);

    nv = namevalue_find_by_name(wantinfos, selvb.buf);
    if (nv == NULL)
      ohshit(_("unknown wanted status at line %d: %.250s"), lno, selvb.buf);
    pkg = pkg_db_find(namevb.buf);
    pkg_set_want(pkg, nv->value);
    if (c == EOF) break;
    lno++;
  }
  if (ferror(stdin)) ohshite(_("read error on standard input"));
  modstatdb_shutdown();
  varbuf_destroy(&namevb);
  varbuf_destroy(&selvb);

  return 0;
}
示例#2
0
文件: select.c 项目: smcv/dpkg
int
setselections(const char *const *argv)
{
  enum modstatdb_rw msdbflags;
  const struct namevalue *nv;
  struct pkginfo *pkg;
  int c, lno;
  struct varbuf namevb = VARBUF_INIT;
  struct varbuf selvb = VARBUF_INIT;
  bool db_possibly_outdated = false;

  if (*argv)
    badusage(_("--%s takes no arguments"), cipaction->olong);

  msdbflags = msdbrw_available_readonly;
  if (f_noact)
    msdbflags |= msdbrw_readonly;
  else
    msdbflags |= msdbrw_write;

  modstatdb_open(msdbflags);
  pkg_infodb_upgrade();

  lno= 1;
  for (;;) {
    struct dpkg_error err;

    do { c= getchar(); if (c == '\n') lno++; } while (c != EOF && isspace(c));
    if (c == EOF) break;
    if (c == '#') {
      do { c= getchar(); if (c == '\n') lno++; } while (c != EOF && c != '\n');
      continue;
    }

    varbuf_reset(&namevb);
    while (!isspace(c)) {
      varbuf_add_char(&namevb, c);
      c= getchar();
      if (c == EOF) ohshit(_("unexpected eof in package name at line %d"),lno);
      if (c == '\n') ohshit(_("unexpected end of line in package name at line %d"),lno);
    }
    varbuf_end_str(&namevb);

    while (c != EOF && isspace(c)) {
      c= getchar();
      if (c == EOF) ohshit(_("unexpected eof after package name at line %d"),lno);
      if (c == '\n') ohshit(_("unexpected end of line after package name at line %d"),lno);
    }

    varbuf_reset(&selvb);
    while (c != EOF && !isspace(c)) {
      varbuf_add_char(&selvb, c);
      c= getchar();
    }
    varbuf_end_str(&selvb);

    while (c != EOF && c != '\n') {
      c= getchar();
      if (!isspace(c))
        ohshit(_("unexpected data after package and selection at line %d"),lno);
    }
    pkg = pkg_spec_parse_pkg(namevb.buf, &err);
    if (pkg == NULL)
      ohshit(_("illegal package name at line %d: %.250s"), lno, err.str);

    if (!pkg_is_informative(pkg, &pkg->installed) &&
        !pkg_is_informative(pkg, &pkg->available)) {
      db_possibly_outdated = true;
      warning(_("package not in database at line %d: %.250s"), lno, namevb.buf);
      continue;
    }

    nv = namevalue_find_by_name(wantinfos, selvb.buf);
    if (nv == NULL)
      ohshit(_("unknown wanted status at line %d: %.250s"), lno, selvb.buf);

    pkg_set_want(pkg, nv->value);
    if (c == EOF) break;
    lno++;
  }
  if (ferror(stdin)) ohshite(_("read error on standard input"));
  modstatdb_shutdown();
  varbuf_destroy(&namevb);
  varbuf_destroy(&selvb);

  if (db_possibly_outdated)
    warning(_("found unknown packages; this might mean the available database\n"
              "is outdated, and needs to be updated through a frontend method"));

  return 0;
}