static sexp sexp_readdir_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0) {
sexp res;
if (! (sexp_pointerp(arg0) && (sexp_pointer_tag(arg0) == sexp_unbox_fixnum(sexp_opcode_arg1_type(self)))))
return sexp_type_exception(ctx, self, sexp_unbox_fixnum(sexp_opcode_arg1_type(self)), arg0);
res = sexp_make_cpointer(ctx, sexp_unbox_fixnum(sexp_opcode_return_type(self)), readdir((DIR*)sexp_cpointer_value(arg0)), arg0, 0);
return res;
}
static sexp sexp_time_3e_seconds_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0) {
sexp res;
if (! (sexp_pointerp(arg0) && (sexp_pointer_tag(arg0) == sexp_unbox_fixnum(sexp_opcode_arg1_type(self)))))
return sexp_type_exception(ctx, self, sexp_unbox_fixnum(sexp_opcode_arg1_type(self)), arg0);
res = sexp_make_integer(ctx, sexp_shift_epoch(mktime((struct tm*)sexp_cpointer_value(arg0))));
return res;
}
static sexp sexp_player_delete_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0) {
sexp res;
if (! (sexp_pointerp(arg0) && (sexp_pointer_tag(arg0) == sexp_unbox_fixnum(sexp_opcode_arg1_type(self)))))
return sexp_type_exception(ctx, self, sexp_unbox_fixnum(sexp_opcode_arg1_type(self)), arg0);
res = ((player_delete((struct player**)sexp_cpointer_value(arg0))), SEXP_VOID);
return res;
}
sexp sexp_string_count (sexp ctx, sexp self, sexp ch, sexp str, sexp start, sexp end) {
const unsigned char *s, *e;
sexp_sint_t c, count = 0;
#if SEXP_USE_UTF8_STRINGS
sexp_sint_t i;
#endif
sexp_assert_type(ctx, sexp_charp, SEXP_CHAR, ch);
sexp_assert_type(ctx, sexp_stringp, SEXP_STRING, str);
sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, start);
if (sexp_not(end)) end = sexp_make_fixnum(sexp_string_size(str));
else sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, end);
c = sexp_unbox_character(ch);
#if SEXP_USE_UTF8_STRINGS
if (c < 128) {
#endif
s = (unsigned char*)sexp_string_data(str) + sexp_unbox_fixnum(start);
e = (unsigned char*)sexp_string_data(str) + sexp_unbox_fixnum(end);
if (e > (unsigned char*)sexp_string_data(str) + sexp_string_size(str))
return sexp_user_exception(ctx, self, "string-count: end index out of range", end);
/* fast case for ASCII chars */
while (s < e) if (*s++ == c) count++;
#if SEXP_USE_UTF8_STRINGS
} else {
/* decode utf8 chars */
s = (unsigned char*)sexp_string_data(str);
for (i = sexp_unbox_fixnum(start); i < sexp_unbox_fixnum(end);
i += sexp_utf8_initial_byte_count(s[i]))
if (sexp_string_utf8_ref(ctx, str, sexp_make_fixnum(i)) == ch) count++;
}
#endif
return sexp_make_fixnum(count);
}
static sexp sexp_get_opcode_param_type (sexp ctx, sexp self, sexp_sint_t n, sexp op, sexp k) {
sexp res;
int p = sexp_unbox_fixnum(k);
if (! sexp_opcodep(op))
return sexp_type_exception(ctx, self, SEXP_OPCODE, op);
else if (! sexp_fixnump(k))
return sexp_type_exception(ctx, self, SEXP_FIXNUM, k);
if (p > sexp_opcode_num_args(op) && sexp_opcode_variadic_p(op))
p = sexp_opcode_num_args(op);
switch (p) {
case 0:
res = sexp_opcode_arg1_type(op);
break;
case 1:
res = sexp_opcode_arg2_type(op);
break;
default:
res = sexp_opcode_arg3_type(op);
if (res && sexp_vectorp(res)) {
if (sexp_vector_length(res) > (sexp_unbox_fixnum(k)-2))
res = sexp_vector_ref(res, sexp_fx_sub(k, SEXP_TWO));
else
res = sexp_type_by_index(ctx, SEXP_OBJECT);
}
break;
}
return sexp_translate_opcode_type(ctx, res);
}
static sexp sexp_string_cursor_copy (sexp ctx, sexp self, sexp_sint_t n, sexp dst, sexp sfrom, sexp src, sexp sstart, sexp send) {
unsigned char *pfrom, *pto, *pstart, *pend, *prev, *p;
sexp_sint_t from = sexp_unbox_fixnum(sfrom), to = sexp_string_size(dst),
start = sexp_unbox_fixnum(sstart), end = sexp_unbox_fixnum(send);
sexp_assert_type(ctx, sexp_stringp, SEXP_STRING, dst);
sexp_assert_type(ctx, sexp_stringp, SEXP_STRING, src);
sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, sfrom);
sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, sstart);
sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, send);
if (from < 0 || from > to)
return sexp_user_exception(ctx, self, "string-cursor-copy!: from out of range", sfrom);
if (start < 0 || start > sexp_string_size(src))
return sexp_user_exception(ctx, self, "string-cursor-copy!: start out of range", sstart);
if (end < start || end > sexp_string_size(src))
return sexp_user_exception(ctx, self, "string-cursor-copy!: end out of range", send);
pfrom = (unsigned char*)sexp_string_data(dst) + from;
pto = (unsigned char*)sexp_string_data(dst) + to;
pstart = (unsigned char*)sexp_string_data(src) + start;
pend = (unsigned char*)sexp_string_data(src) + end;
for ( ; pfrom < pto && pstart < pend; ++pfrom, ++pstart)
*pfrom = *pstart;
/* adjust for incomplete trailing chars */
prev = (unsigned char*)sexp_string_utf8_prev(pfrom);
if (sexp_utf8_initial_byte_count(*prev) > pfrom - prev) {
for (p = prev; p < pfrom; ++p)
*p = '\0';
pstart -= pfrom - prev;
}
return sexp_make_fixnum(pstart - (unsigned char*)sexp_string_data(src));
}
static sexp sexp_get_opcode_data (sexp ctx, sexp self, sexp_sint_t n, sexp op) {
sexp data;
sexp_assert_type(ctx, sexp_opcodep, SEXP_OPCODE, op);
data = sexp_opcode_data(op);
if (!data) return SEXP_VOID;
return sexp_opcode_class(op) == SEXP_OPC_TYPE_PREDICATE
&& 0 <= sexp_unbox_fixnum(data)
&& sexp_unbox_fixnum(data) <= sexp_context_num_types(ctx) ?
sexp_type_by_index(ctx, sexp_unbox_fixnum(data)) : data;
}
static sexp sexp_player_move_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0, sexp arg1, sexp arg2) {
sexp res;
if (! (sexp_pointerp(arg0) && (sexp_pointer_tag(arg0) == sexp_unbox_fixnum(sexp_opcode_arg1_type(self)))))
return sexp_type_exception(ctx, self, sexp_unbox_fixnum(sexp_opcode_arg1_type(self)), arg0);
if (! sexp_exact_integerp(arg1))
return sexp_type_exception(ctx, self, SEXP_FIXNUM, arg1);
if (! sexp_exact_integerp(arg2))
return sexp_type_exception(ctx, self, SEXP_FIXNUM, arg2);
res = ((player_move((struct player**)sexp_cpointer_value(arg0), sexp_uint_value(arg1), sexp_uint_value(arg2))), SEXP_VOID);
return res;
}
sexp sexp_bignum_add_fixnum (sexp ctx, sexp a, sexp b) {
sexp_gc_var1(c);
sexp_gc_preserve1(ctx, c);
c = sexp_copy_bignum(ctx, NULL, a, 0);
if (sexp_bignum_sign(c) == sexp_fx_sign(b))
c = sexp_bignum_fxadd(ctx, c, sexp_unbox_fixnum(sexp_fx_abs(b)));
else
c = sexp_bignum_fxsub(ctx, c, sexp_unbox_fixnum(sexp_fx_abs(b)));
sexp_gc_release1(ctx);
return c;
}
static sexp sexp_set_time_of_day_x_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0, sexp arg1) {
int err;
sexp res;
if (! (sexp_pointerp(arg0) && (sexp_pointer_tag(arg0) == sexp_unbox_fixnum(sexp_opcode_arg1_type(self)))))
return sexp_type_exception(ctx, self, sexp_unbox_fixnum(sexp_opcode_arg1_type(self)), arg0);
if (! ((sexp_pointerp(arg1) && (sexp_pointer_tag(arg1) == sexp_unbox_fixnum(sexp_opcode_arg2_type(self)))) || sexp_not(arg1)))
return sexp_type_exception(ctx, self, sexp_unbox_fixnum(sexp_opcode_arg2_type(self)), arg1);
err = settimeofday((struct timeval*)sexp_cpointer_value(arg0), (struct timezone*)sexp_cpointer_maybe_null_value(arg1));
if (err) {
res = SEXP_FALSE;
} else {
res = SEXP_TRUE;
}
return res;
}
static sexp sexp_integer_to_immediate (sexp ctx, sexp self, sexp_sint_t n, sexp i, sexp dflt) {
sexp x = (sexp)sexp_unbox_fixnum(i);
sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, i);
if (sexp_pointerp(x))
return dflt;
return x;
}
static sexp sexp_opendir_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0) {
sexp res;
if (! sexp_stringp(arg0))
return sexp_type_exception(ctx, self, SEXP_STRING, arg0);
res = sexp_make_cpointer(ctx, sexp_unbox_fixnum(sexp_opcode_return_type(self)), opendir(sexp_string_data(arg0)), SEXP_FALSE, 1);
return res;
}
sexp sexp_postmountsrv (sexp ctx, sexp self, sexp_sint_t n, sexp ls, sexp name, sexp mtpt, sexp flags) {
Srv s;
struct sexp_plan9_srv p9s;
if (! sexp_listp(ctx, ls))
return sexp_type_exception(ctx, self, SEXP_PAIR, ls);
if (! sexp_stringp(name))
return sexp_type_exception(ctx, self, SEXP_STRING, name);
if (! sexp_stringp(mtpt))
return sexp_type_exception(ctx, self, SEXP_STRING, mtpt);
if (! sexp_integerp(flags))
return sexp_type_exception(ctx, self, SEXP_FIXNUM, flags);
sexp_build_srv(ctx, &p9s, ls);
s.aux = &p9s;
s.auth = &sexp_9p_auth;
s.attach = &sexp_9p_attach;
s.walk = &sexp_9p_walk;
s.walk1 = &sexp_9p_walk1;
s.clone = &sexp_9p_clone;
s.open = &sexp_9p_open;
s.create = &sexp_9p_create;
s.remove = &sexp_9p_remove;
s.read = &sexp_9p_read;
s.write = &sexp_9p_write;
s.stat = &sexp_9p_stat;
s.wstat = &sexp_9p_wstat;
s.flush = &sexp_9p_flush;
s.destroyfid = &sexp_9p_destroyfid;
s.destroyreq = &sexp_9p_destroyreq;
s.end = &sexp_9p_end;
postmountsrv(&s, sexp_string_data(name), sexp_string_data(mtpt),
sexp_unbox_fixnum(flags));
return SEXP_UNDEF;
}
static sexp sexp_rs_random_integer (sexp ctx, sexp self, sexp_sint_t n, sexp rs, sexp bound) {
sexp res;
int32_t m;
#if SEXP_USE_BIGNUMS
int32_t hi, mod, len, i, *data;
#endif
if (! sexp_random_source_p(rs))
res = sexp_type_exception(ctx, self, rs_type_id, rs);
if (sexp_fixnump(bound)) {
sexp_call_random(rs, m);
res = sexp_make_fixnum(m % sexp_unbox_fixnum(bound));
#if SEXP_USE_BIGNUMS
} else if (sexp_bignump(bound)) {
hi = sexp_bignum_hi(bound);
len = hi * sizeof(sexp_uint_t) / sizeof(int32_t);
res = sexp_make_bignum(ctx, hi);
data = (int32_t*) sexp_bignum_data(res);
for (i=0; i<len-1; i++) {
sexp_call_random(rs, m);
data[i] = m;
}
sexp_call_random(rs, m);
mod = sexp_bignum_data(bound)[hi-1] * sizeof(int32_t) / sizeof(sexp_uint_t);
if (mod)
data[i] = m % mod;
#endif
} else {
res = sexp_type_exception(ctx, self, SEXP_FIXNUM, bound);
}
return res;
}
static sexp sexp_bit_and (sexp ctx, sexp self, sexp_sint_t n, sexp x, sexp y) {
sexp res;
#if SEXP_USE_BIGNUMS
sexp_sint_t len, i;
#endif
if (sexp_fixnump(x)) {
if (sexp_fixnump(y))
res = (sexp) ((sexp_uint_t)x & (sexp_uint_t)y);
#if SEXP_USE_BIGNUMS
else if (sexp_bignump(y))
res = sexp_bit_and(ctx, self, n, y, x);
#endif
else
res = sexp_type_exception(ctx, self, SEXP_FIXNUM, y);
#if SEXP_USE_BIGNUMS
} else if (sexp_bignump(x)) {
if (sexp_fixnump(y)) {
res = sexp_make_fixnum(sexp_unbox_fixnum(y) & sexp_bignum_data(x)[0]);
} else if (sexp_bignump(y)) {
if (sexp_bignum_length(x) < sexp_bignum_length(y))
res = sexp_copy_bignum(ctx, NULL, x, 0);
else
res = sexp_copy_bignum(ctx, NULL, y, 0);
for (i=0, len=sexp_bignum_length(res); i<len; i++)
sexp_bignum_data(res)[i]
= sexp_bignum_data(x)[i] & sexp_bignum_data(y)[i];
} else {
res = sexp_type_exception(ctx, self, SEXP_FIXNUM, y);
}
#endif
} else {
res = sexp_type_exception(ctx, self, SEXP_FIXNUM, x);
}
return sexp_bignum_normalize(res);
}
static sexp sexp_make_pollfds (sexp ctx) {
sexp res = sexp_alloc_tagged(ctx, sexp_sizeof_pollfds, sexp_unbox_fixnum(sexp_global(ctx, SEXP_G_THREADS_POLLFDS_ID)));
sexp_pollfds_fds(res) = malloc(SEXP_INIT_POLLFDS_MAX_FDS * sizeof(struct pollfd));
sexp_pollfds_num_fds(res) = 0;
sexp_pollfds_max_fds(res) = SEXP_INIT_POLLFDS_MAX_FDS;
return res;
}
sexp sexp_postnote (sexp ctx, sexp self, sexp_sint_t n, sexp pid, sexp note) {
if (! sexp_integerp(pid))
return sexp_type_exception(ctx, self, SEXP_FIXNUM, pid);
if (! sexp_stringp(note))
return sexp_type_exception(ctx, self, SEXP_STRING, note);
postnote(PNPROC, sexp_unbox_fixnum(pid), sexp_string_data(note));
return SEXP_VOID;
}
static sexp sexp_random_source_pseudo_randomize (sexp ctx, sexp self, sexp_sint_t n, sexp rs, sexp seed) {
if (! sexp_random_source_p(rs))
return sexp_type_exception(ctx, self, rs_type_id, rs);
if (! sexp_fixnump(seed))
return sexp_type_exception(ctx, self, rs_type_id, seed);
sexp_seed_random(sexp_unbox_fixnum(seed), rs);
return SEXP_VOID;
}
sexp sexp_exec (sexp ctx, sexp self, sexp_sint_t n, sexp name, sexp args) {
int i, len = sexp_unbox_fixnum(sexp_length(ctx, args));
char **argv = malloc((len+1)*sizeof(char*));
for (i=0; i<len; i++, args=sexp_cdr(args))
argv[i] = sexp_string_data(sexp_car(args));
argv[len] = NULL;
exec(sexp_string_data(name), argv);
return SEXP_VOID; /* won't really return */
}
static sexp sexp_time_3e_string_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0) {
char *err;
char tmp1[64];
sexp res;
sexp_gc_var1(res1);
if (! (sexp_pointerp(arg0) && (sexp_pointer_tag(arg0) == sexp_unbox_fixnum(sexp_opcode_arg1_type(self)))))
return sexp_type_exception(ctx, self, sexp_unbox_fixnum(sexp_opcode_arg1_type(self)), arg0);
sexp_gc_preserve1(ctx, res1);
err = asctime_r((struct tm*)sexp_cpointer_value(arg0), tmp1);
if (!err) {
res = SEXP_FALSE;
} else {
res1 = sexp_c_string(ctx, tmp1, -1);
res = res1;
}
sexp_gc_release1(ctx);
return res;
}
static sexp sexp_error_string (sexp ctx, sexp self, sexp_sint_t n, sexp x) {
int err;
if (x == SEXP_FALSE) {
err = errno;
} else {
sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, x);
err = sexp_unbox_fixnum(x);
}
return sexp_c_string(ctx, strerror(err), -1);
}
sexp sexp_bignum_expt (sexp ctx, sexp a, sexp b) {
sexp_sint_t e = sexp_unbox_fixnum(sexp_fx_abs(b));
sexp_gc_var2(res, acc);
sexp_gc_preserve2(ctx, res, acc);
res = sexp_fixnum_to_bignum(ctx, SEXP_ONE);
acc = sexp_copy_bignum(ctx, NULL, a, 0);
for (; e; e>>=1, acc=sexp_bignum_mul(ctx, NULL, acc, acc))
if (e & 1)
res = sexp_bignum_mul(ctx, NULL, res, acc);
sexp_gc_release2(ctx);
return sexp_bignum_normalize(res);
}
static ssize_t sexp_cookie_reader (void *cookie, char *buffer, size_t size)
#endif
{
sexp vec = (sexp)cookie, ctx, res;
if (! sexp_procedurep(sexp_cookie_read(vec))) return -1;
sexp_gc_var2(ctx2, args);
ctx = sexp_cookie_ctx(vec);
ctx2 = sexp_last_context(ctx, (sexp*)&cookie);
sexp_gc_preserve2(ctx, ctx2, args);
if (size > sexp_string_length(sexp_cookie_buffer(vec)))
sexp_cookie_buffer_set(vec, sexp_make_string(ctx, sexp_make_fixnum(size), SEXP_VOID));
args = sexp_list2(ctx, sexp_cookie_buffer(vec), sexp_make_fixnum(size));
res = sexp_apply(ctx, sexp_cookie_read(vec), args);
sexp_gc_release2(ctx);
if (sexp_fixnump(res)) {
memcpy(buffer, sexp_string_data(sexp_cookie_buffer(vec)), sexp_unbox_fixnum(res));
return sexp_unbox_fixnum(res);
} else {
return -1;
}
}
static sexp sexp_get_time_of_day_stub (sexp ctx, sexp self, sexp_sint_t n) {
int err;
struct timeval* tmp0;
struct timezone* tmp1;
sexp_gc_var3(res, res0, res1);
sexp_gc_preserve3(ctx, res, res0, res1);
tmp0 = (struct timeval*) calloc(1, 1 + sizeof(tmp0[0]));
tmp1 = (struct timezone*) calloc(1, 1 + sizeof(tmp1[0]));
err = gettimeofday(tmp0, tmp1);
if (err) {
res = SEXP_FALSE;
} else {
res0 = sexp_make_cpointer(ctx, sexp_unbox_fixnum(sexp_opcode_arg1_type(self)), tmp0, SEXP_FALSE, 1);
res1 = sexp_make_cpointer(ctx, sexp_unbox_fixnum(sexp_opcode_arg2_type(self)), tmp1, SEXP_FALSE, 1);
res = SEXP_NULL;
sexp_push(ctx, res, res1);
sexp_push(ctx, res, res0);
}
sexp_gc_release3(ctx);
return res;
}
static sexp sexp_pop_signal (sexp ctx, sexp self, sexp_sint_t n) {
int allsigs, restsigs, signum;
if (sexp_global(ctx, SEXP_G_THREADS_SIGNALS) == SEXP_ZERO) {
return SEXP_FALSE;
} else {
allsigs = sexp_unbox_fixnum(sexp_global(ctx, SEXP_G_THREADS_SIGNALS));
restsigs = allsigs & (allsigs-1);
sexp_global(ctx, SEXP_G_THREADS_SIGNALS) = sexp_make_fixnum(restsigs);
signum = sexp_log2_of_pow2(allsigs-restsigs);
return sexp_make_fixnum(signum);
}
}
sexp sexp_mutex_state (sexp ctx, sexp self, sexp_sint_t n, sexp mutex) {
if (!sexp_mutexp(ctx, mutex))
return sexp_type_exception(ctx, self, sexp_unbox_fixnum(sexp_global(ctx, SEXP_G_THREADS_POLLFDS_ID)), mutex);
if (sexp_truep(sexp_mutex_lockp(mutex))) {
if (sexp_contextp(sexp_mutex_thread(mutex)))
return sexp_mutex_thread(mutex);
else
return sexp_intern(ctx, "not-owned", -1);
} else {
return sexp_intern(ctx, (sexp_mutex_thread(mutex) ? "not-abandoned" : "abandoned"), -1);
}
}
static sexp sexp_close_file_descriptor_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0) {
int err;
sexp res;
if (! (sexp_filenop(arg0) || sexp_fixnump(arg0)))
return sexp_type_exception(ctx, self, SEXP_FILENO, arg0);
err = close((sexp_filenop(arg0) ? sexp_fileno_fd(arg0) : sexp_unbox_fixnum(arg0)));
if (err) {
res = SEXP_FALSE;
} else {
res = SEXP_TRUE;
}
return res;
}
static sexp sexp_get_opcode_ret_type (sexp ctx, sexp self, sexp_sint_t n, sexp op) {
sexp res;
if (!op)
return sexp_type_by_index(ctx, SEXP_OBJECT);
if (! sexp_opcodep(op))
return sexp_type_exception(ctx, self, SEXP_OPCODE, op);
if (sexp_opcode_code(op) == SEXP_OP_RAISE)
return sexp_list1(ctx, sexp_intern(ctx, "error", -1));
res = sexp_opcode_return_type(op);
if (sexp_fixnump(res))
res = sexp_type_by_index(ctx, sexp_unbox_fixnum(res));
return sexp_translate_opcode_type(ctx, res);
}
sexp sexp_write_u8 (sexp ctx, sexp self, sexp u8, sexp out) {
sexp_assert_type(ctx, sexp_fixnump, SEXP_FIXNUM, u8);
if (sexp_unbox_fixnum(u8) < 0 || sexp_unbox_fixnum(u8) > 255)
return sexp_xtype_exception(ctx, self, "not a u8 value", u8);
sexp_assert_type(ctx, sexp_oportp, SEXP_OPORT, out);
if (!sexp_port_binaryp(out))
return sexp_xtype_exception(ctx, self, "not a binary port", out);
#if SEXP_USE_GREEN_THREADS
errno = 0;
#endif
if (sexp_write_char(ctx, sexp_unbox_fixnum(u8), out) == EOF) {
if (sexp_port_stream(out))
clearerr(sexp_port_stream(out));
#if SEXP_USE_GREEN_THREADS
if (errno == EAGAIN) {
if (sexp_applicablep(sexp_global(ctx, SEXP_G_THREADS_BLOCKER)))
sexp_apply1(ctx, sexp_global(ctx, SEXP_G_THREADS_BLOCKER), out);
return sexp_global(ctx, SEXP_G_IO_BLOCK_ERROR);
}
#endif
}
return SEXP_VOID;
}
static sexp sexp_make_timeval_stub (sexp ctx, sexp self, sexp_sint_t n, sexp arg0, sexp arg1) {
struct timeval* r;
sexp_gc_var1(res);
sexp_gc_preserve1(ctx, res);
res = sexp_alloc_tagged(ctx, sexp_sizeof(cpointer), sexp_unbox_fixnum(sexp_opcode_return_type(self)));
sexp_cpointer_value(res) = calloc(1, sizeof(struct timeval));
r = (struct timeval*) sexp_cpointer_value(res);
memset(r, 0, sizeof(struct timeval));
sexp_freep(res) = 1;
r->tv_sec = sexp_unshift_epoch(sexp_uint_value(arg0));
r->tv_usec = sexp_sint_value(arg1);
sexp_gc_release1(ctx);
return res;
}
