예제 #1
0
파일: sh.c 프로젝트: Sunella/xv6
struct cmd*
parseexec(char **ps, char *es)
{
  char *q, *eq;
  int tok, argc;
  struct execcmd *cmd;
  struct cmd *ret;
  
  if(peek(ps, es, "("))
    return parseblock(ps, es);

  ret = execcmd();
  cmd = (struct execcmd*)ret;

  argc = 0;
  ret = parseredirs(ret, ps, es);
  while(!peek(ps, es, "|)&;")){
    if((tok=gettoken(ps, es, &q, &eq)) == 0)
      break;
    if(tok != 'a')
      panic("syntax");
    cmd->argv[argc] = q;
    cmd->eargv[argc] = eq;
    argc++;
    if(argc >= MAXARGS)
      panic("too many args");
    ret = parseredirs(ret, ps, es);
  }
  cmd->argv[argc] = 0;
  cmd->eargv[argc] = 0;
  return ret;
}
예제 #2
0
remap_t* remap_loadmap( char *title) {
    char buf[160];
    char fname[MAXPATHLEN];
    char *home;
    int res;
    FILE *fp;
    block_t tmp;
    remap_t *map;

    memset(&tmp, 0, sizeof(tmp));
    /* Build the map filename */
    home = getenv("HOME");
    if(!home) {
        fprintf(MSG_OUT, "libdvdnav: Unable to find home directory" );
        return NULL;
    }
    snprintf(fname, sizeof(fname), "%s/.dvdnav/%s.map", home, title);

    /* Open the map file */
    fp = fopen( fname, "r");
    if (!fp) {
	fprintf(MSG_OUT, "libdvdnav: Unable to find map file '%s'\n", fname);
	return NULL;
    }

    /* Load the map file */
    map = remap_new( title);
    while (fgets( buf, sizeof(buf), fp) != NULL) {
        if (buf[0] == '\n' || buf[0] == '#' || buf[0] == 0) continue;
        if (strncasecmp( buf, "debug", 5) == 0) {
	    map->debug = 1;
	} else {
	    res = parseblock( buf,
		&tmp.domain, &tmp.title, &tmp.program, &tmp.start_block, &tmp.end_block);
	    if (res != 5) {
		fprintf(MSG_OUT, "libdvdnav: Ignoring map line (%d): %s\n", res, buf);
		continue;
	    }
	    remap_add_node( map, tmp);
	}
    }
    fclose(fp);

    if (map->nblocks == 0 && map->debug == 0) {
        free(map);
        return NULL;
    }
    return map;
}