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Have infback() deliver all of the available output up to any error.

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This commit is contained in:
Mark Adler 2022-07-24 11:41:07 -07:00
parent 2333419cd7
commit b8bd09801f
1 changed files with 9 additions and 7 deletions
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16
infback.c
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@ -606,25 +606,27 @@ void FAR *out_desc;
break; break;
case DONE: case DONE:
/* inflate stream terminated properly -- write leftover output */ /* inflate stream terminated properly */
ret = Z_STREAM_END; ret = Z_STREAM_END;
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left))
ret = Z_BUF_ERROR;
}
goto inf_leave; goto inf_leave;
case BAD: case BAD:
ret = Z_DATA_ERROR; ret = Z_DATA_ERROR;
goto inf_leave; goto inf_leave;
default: /* can't happen, but makes compilers happy */ default:
/* can't happen, but makes compilers happy */
ret = Z_STREAM_ERROR; ret = Z_STREAM_ERROR;
goto inf_leave; goto inf_leave;
} }
/* Return unused input */ /* Write leftover output and return unused input */
inf_leave: inf_leave:
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left) &&
ret == Z_STREAM_END)
ret = Z_BUF_ERROR;
}
strm->next_in = next; strm->next_in = next;
strm->avail_in = have; strm->avail_in = have;
return ret; return ret;