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ipc: negotiate preedit capability and caret messages

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Hojun-Cho
2026-08-14 18:53:14 +09:00
parent b536573622
commit 6a58b63223
7 changed files with 538 additions and 17 deletions
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84
tests/ipc_test.c
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@@ -27,6 +27,90 @@ ipc_masks_modifiers(struct ct *t)
CT_CHECK(t, ipcreqreset(buf));
}
void
ipc_control_and_caret_frames(struct ct *t)
{
static const uchar capon[Ipcreqsz] = {
Ipcext|Cclientpreedit, Ipcversion, Ipcopcap, 0, 0, 0,
};
static const uchar capoff[Ipcreqsz] = {
Ipcext, Ipcversion, Ipcopcap, 0, 0, 0,
};
static const uchar caret[Ipccaretsz] = {
Ipcext, Ipcversion, Ipcopcaret, 1,
0xfe, 0xff, 0xff, 0xff,
0x04, 0x03, 0x02, 0x01,
0x06, 0x05, 0x00, 0x00,
};
static const uchar nocaret[Ipccaretsz] = {
Ipcext, Ipcversion, Ipcopcaret, 0,
};
uchar buf[Ipccaretsz], bad[Ipccaretsz];
u32int key, mod;
int valid, want;
int32_t x, y, h;
ipcpackcap(buf, Cclientpreedit);
CT_EQ_MEM(t, capon, buf, sizeof capon);
CT_EQ_INT(t, Ipccap, ipcreqtype(buf));
/* The probe remains a harmless key-zero request to an old daemon. */
ipcunpackreq(buf, &want, &mod, &key);
CT_EQ_INT(t, 1, want);
CT_EQ_UINT(t, 0, key);
ipcpackcap(buf, 0);
CT_EQ_MEM(t, capoff, buf, sizeof capoff);
ipcunpackreq(buf, &want, &mod, &key);
CT_EQ_INT(t, 0, want);
CT_EQ_UINT(t, 0, key);
CT_EQ_INT(t, 0, ipcpackcaret(buf, 1, -2, 0x01020304, 0x506));
CT_EQ_MEM(t, caret, buf, sizeof caret);
CT_EQ_INT(t, Ipccaret, ipcreqtype(buf));
if(CT_EQ_INT(t, 0, ipcunpackcaret(buf, &valid, &x, &y, &h))){
CT_EQ_INT(t, 1, valid);
CT_EQ_INT(t, -2, x);
CT_EQ_INT(t, 0x01020304, y);
CT_EQ_INT(t, 0x506, h);
}
CT_EQ_INT(t, 0, ipcpackcaret(buf, 1, INT32_MIN, INT32_MAX, 0));
if(CT_EQ_INT(t, 0, ipcunpackcaret(buf, &valid, &x, &y, &h))){
CT_EQ_INT(t, INT32_MIN, x);
CT_EQ_INT(t, INT32_MAX, y);
CT_EQ_INT(t, 0, h);
}
CT_EQ_INT(t, 0, ipcpackcaret(buf, 0, -2, 3, 4));
CT_EQ_MEM(t, nocaret, buf, sizeof nocaret);
if(CT_EQ_INT(t, 0, ipcunpackcaret(buf, &valid, &x, &y, &h)))
CT_EQ_INT(t, 0, valid);
CT_EQ_INT(t, -1, ipcpackcaret(buf, 1, 0, 0, -1));
memcpy(bad, caret, sizeof bad);
bad[1]++;
CT_EQ_INT(t, Ipcunknown, ipcreqtype(bad));
CT_EQ_INT(t, -1, ipcunpackcaret(bad, &valid, &x, &y, &h));
memcpy(bad, caret, sizeof bad);
bad[2]++;
CT_EQ_INT(t, Ipcunknown, ipcreqtype(bad));
CT_EQ_INT(t, -1, ipcunpackcaret(bad, &valid, &x, &y, &h));
memcpy(bad, caret, sizeof bad);
bad[3] = 2;
CT_EQ_INT(t, -1, ipcunpackcaret(bad, &valid, &x, &y, &h));
memcpy(bad, caret, sizeof bad);
bad[0] |= Ipcreqwant;
CT_EQ_INT(t, Ipcunknown, ipcreqtype(bad));
memcpy(bad, caret, sizeof bad);
bad[15] = 0x80;
CT_EQ_INT(t, -1, ipcunpackcaret(bad, &valid, &x, &y, &h));
memcpy(bad, capon, sizeof capon);
bad[3] = 1;
CT_EQ_INT(t, Ipcunknown, ipcreqtype(bad));
ipcpackreq(buf, 1, 0, 'a');
CT_EQ_INT(t, Ipclegacy, ipcreqtype(buf));
ipcpackreset(buf, 1);
CT_EQ_INT(t, Ipclegacy, ipcreqtype(buf));
}
void
ipc_runtime_path(struct ct *t)
{