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When a thread pauses on a buffered write-string, continue with a bytevector in case we cut in the middle of a char.

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Alex Shinn 2015-01-17 19:00:27 +09:00
parent 8975586ffe
commit d3cbc89996
1 changed files with 5 additions and 10 deletions
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9
vm.c
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@ -1965,12 +1965,10 @@ sexp sexp_apply (sexp ctx, sexp proc, sexp args) {
tmp1 = _ARG1;
else
sexp_raise("write-string: not a string or bytes", sexp_list1(ctx, _ARG1));
if (! sexp_fixnump(_ARG2)) {
if (_ARG2 == SEXP_TRUE)
_ARG2 = sexp_make_fixnum(sexp_bytes_length(tmp1));
else
else if (! sexp_fixnump(_ARG2))
sexp_raise("write-string: not an integer", sexp_list1(ctx, _ARG2));
}
if (sexp_unbox_fixnum(_ARG2) < 0 || sexp_unbox_fixnum(_ARG2) > sexp_bytes_length(tmp1))
sexp_raise("write-string: not a valid string count", sexp_list2(ctx, tmp1, _ARG2));
if (! sexp_oportp(_ARG3))
@ -1985,10 +1983,7 @@ sexp sexp_apply (sexp ctx, sexp proc, sexp args) {
if (sexp_port_stream(_ARG3)) clearerr(sexp_port_stream(_ARG3));
/* modify stack in-place so we continue where we left off next time */
if (i > 0) {
if (sexp_stringp(_ARG1))
_ARG1 = sexp_substring(ctx, _ARG1, sexp_make_fixnum(i), SEXP_FALSE);
else
_ARG1 = sexp_subbytes(ctx, _ARG1, sexp_make_fixnum(i), SEXP_FALSE);
_ARG1 = sexp_subbytes(ctx, tmp1, sexp_make_fixnum(i), SEXP_FALSE);
_ARG2 = sexp_make_fixnum(sexp_unbox_fixnum(_ARG2) - i);
}
/* yield if threads are enabled (otherwise busy loop) */