+static int update_item(int item_num, char *buf)
+{
+ char **c = stat_content + item_num;
+
+ free(*c);
+ if (buf && buf[0])
+ goto dup;
+ switch (item_num) {
+ case SI_ARTIST:
+ *c = para_strdup("(artist tag not set)");
+ goto print;
+ case SI_TITLE:
+ *c = para_strdup("(title tag not set)");
+ goto print;
+ case SI_YEAR:
+ *c = para_strdup("????");
+ goto print;
+ case SI_ALBUM:
+ *c = para_strdup("(album tag not set)");
+ goto print;
+ case SI_COMMENT:
+ *c = para_strdup("(comment tag not set)");
+ goto print;
+ }
+dup:
+ *c = para_strdup(buf);
+print:
+ print_stat_item(item_num);
+ return 1;
+}
+
+static int read_stat_pipe(fd_set *rfds)
+{
+ static char *buf;
+ static int bufsize, loaded;
+ int ret, ret2;
+ size_t sz;
+
+ if (stat_pipe < 0)
+ return 0;
+ if (loaded >= bufsize) {
+ if (bufsize > 1000 * 1000) {
+ loaded = 0;
+ return 0;
+ }
+ bufsize += bufsize + 1000;
+ buf = para_realloc(buf, bufsize);
+ }
+ assert(loaded < bufsize);
+ ret = read_nonblock(stat_pipe, buf + loaded, bufsize - loaded,
+ rfds, &sz);
+ loaded += sz;
+ ret2 = for_each_stat_item(buf, loaded, update_item);
+ if (ret < 0 || ret2 < 0) {
+ loaded = 0;
+ return ret2 < 0? ret2 : ret;
+ }
+ sz = ret2; /* what is left */
+ if (sz > 0 && sz < loaded)
+ memmove(buf, buf + loaded - sz, sz);
+ loaded = sz;
+ return 1;
+}
+