libkern/zlib/gzio.c

85     int      z_err;   /* error code for last stream operation */
145     s->z_err = Z_OK;
275             s->z_err = Z_ERRNO;
297             if (ferror(s->file)) s->z_err = Z_ERRNO;
331         if (len == 0 && ferror(s->file)) s->z_err = Z_ERRNO;
353         s->z_err = Z_DATA_ERROR;
375     s->z_err = s->z_eof ? Z_DATA_ERROR : Z_OK;
408     if (s->z_err < 0) err = s->z_err;
432     if (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO) return -1;
433     if (s->z_err == Z_STREAM_END) return 0;  /* EOF */
447             s->z_err = Z_STREAM_END;
483                     s->z_err = Z_ERRNO;
491         s->z_err = inflate(&(s->stream), Z_NO_FLUSH);
495         if (s->z_err == Z_STREAM_END) {
501                 s->z_err = Z_DATA_ERROR;
509                 if (s->z_err == Z_OK) {
515         if (s->z_err != Z_OK || s->z_eof) break;
520         (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO))
551     s->last = (s->z_err == Z_STREAM_END);
552     if (s->last) s->z_err = Z_OK;
604                 s->z_err = Z_ERRNO;
611         s->z_err = deflate(&(s->stream), Z_NO_FLUSH);
614         if (s->z_err != Z_OK) break;
749                 s->z_err = Z_ERRNO;
757         s->z_err = deflate(&(s->stream), flush);
761         if (len == 0 && s->z_err == Z_BUF_ERROR) s->z_err = Z_OK;
766         done = (s->stream.avail_out != 0 || s->z_err == Z_STREAM_END);
768         if (s->z_err != Z_OK && s->z_err != Z_STREAM_END) break;
770     return  s->z_err == Z_STREAM_END ? Z_OK : s->z_err;
782     return  s->z_err == Z_STREAM_END ? Z_OK : s->z_err;
802         s->z_err == Z_ERRNO || s->z_err == Z_DATA_ERROR) {
868         if (s->last) s->z_err = Z_STREAM_END;
891     s->z_err = Z_OK;
929     return s->z_err == Z_STREAM_END;
959    Reads a long in LSB order from the given gz_stream. Sets z_err in case
971     if (c == EOF) s->z_err = Z_DATA_ERROR;
1025     *errnum = s->z_err;
1030     if (m == NULL || *m == '\0') m = (char*)ERR_MSG(s->z_err);
1050     if (s->z_err != Z_STREAM_END) s->z_err = Z_OK;