dstr dstr_cat(dstr ds, const char *str) {
size_t length = str ? strlen(str) : 0;
return dstr_cat_len(ds, str, length);
}
dstr *dstr_split_args(const char *line, int *argc) {
const char *p = line;
dstr current = NULL;
dstr *argv = NULL;
*argc = 0;
for (;;) {
while (*p && isspace(*p))
++p;
if (*p) {
int inq = 0; /* 1 if in quotes */
int insq = 0; /* 1 if in single quotes */
int done = 0;
if (current == NULL)
current = dstr_new_len("", 0);
while (!done) {
/* FIXME */
if (inq) {
if (*p == '\\' && *(p + 1) == 'x' &&
is_hex_digit(*(p + 2)) && is_hex_digit(*(p + 3))) {
unsigned char byte = 16 * hex_digit_to_int(*(p + 2)) +
hex_digit_to_int(*(p + 3));
p += 3;
current = dstr_cat_len(current, (char *)&byte, 1);
} else if (*p == '\\' && *(p + 1)) {
char c;
++p;
switch (*p) {
case 'a':
c = '\a';
break;
case 'b':
c = '\b';
break;
case 'n':
c = '\n';
break;
case 'r':
c = '\r';
break;
case 't':
c = '\t';
break;
default:
c = *p;
break;
}
current = dstr_cat_len(current, &c, 1);
} else if (*p == '"') {
/* closing quote must be followed by a space or not at all */
if (*(p + 1) && !isspace(*(p + 1)))
goto err;
done = 1;
/* unterminated quotes */
} else if (*p == '\0')
goto err;
else
current = dstr_cat_len(current, p, 1);
} else if (insq) {
if (*p == '\\' && *(p + 1) == '\'') {
++p;
current = dstr_cat_len(current, "'", 1);
} else if (*p == '\'') {
/* closing quote must be followed by a space or not at all */
if (*(p + 1) && !isspace(*(p + 1)))
goto err;
done = 1;
/* unterminated quotes */
} else if (*p == '\0')
goto err;
else
current = dstr_cat_len(current, p, 1);
} else
switch (*p) {
case ' ':
case '\0':
case '\n':
case '\r':
case '\t':
done = 1;
break;
case '"':
inq = 1;
break;
case '\'':
insq = 1;
break;
default:
current = dstr_cat_len(current, p, 1);
break;
}
if (*p)
++p;
}
if (RESIZE(argv, (*argc + 1) * sizeof (char *)) == NULL)
goto err;
argv[*argc] = current;
++*argc;
current = NULL;
} else
return argv;
}
err:
{
int i;
for (i = 0; i < *argc; ++i)
dstr_free(argv[i]);
FREE(argv);
if (current)
dstr_free(current);
return NULL;
}
}
/* FIXME */
static void *q_thread(void *data) {
struct crss *crss = (struct crss *)data;
char buf[64];
dstr rid, res = NULL;
db_iterator_t *it;
const char *key, *value;
size_t klen, vlen;
snprintf(buf, sizeof buf, "%p,", crss->c);
rid = dstr_new(buf);
rid = dstr_cat(rid, crss->rid);
it = db_iterator_create(db, db_ro);
db_iterator_seek(it, crss->start, dstr_length(crss->start));
/* seek failed */
if (!db_iterator_valid(it)) {
res = dstr_new(crss->rid);
res = dstr_cat(res, ",1\r\n\r\n");
pthread_spin_lock(&crss->c->lock);
if (net_try_write(crss->c->fd, res, dstr_length(res), 10, NET_NONBLOCK) == -1)
xcb_log(XCB_LOG_WARNING, "Writing to client '%p': %s", crss->c, strerror(errno));
pthread_spin_unlock(&crss->c->lock);
goto end;
}
key = db_iterator_key(it, &klen);
while (memcmp(key, crss->stop, dstr_length(crss->stop)) <= 0) {
if (crss->cancel)
break;
if (!strcmp(crss->match, "") || strstr(key, crss->match)) {
value = db_iterator_value(it, &vlen);
res = dstr_new(crss->rid);
res = dstr_cat(res, ",0,");
res = dstr_cat_len(res, key, klen);
res = dstr_cat(res, ",");
res = dstr_cat_len(res, value, vlen);
res = dstr_cat(res, "\r\n");
pthread_spin_lock(&crss->c->lock);
if (net_try_write(crss->c->fd, res, dstr_length(res), 10, NET_NONBLOCK) == -1) {
xcb_log(XCB_LOG_WARNING, "Writing to client '%p': %s",
crss->c, strerror(errno));
pthread_spin_unlock(&crss->c->lock);
goto end;
}
pthread_spin_unlock(&crss->c->lock);
dstr_free(res);
}
db_iterator_next(it);
if (!db_iterator_valid(it) || crss->cancel)
break;
key = db_iterator_key(it, &klen);
}
res = dstr_new(crss->rid);
res = dstr_cat(res, ",1\r\n\r\n");
pthread_spin_lock(&crss->c->lock);
if (net_try_write(crss->c->fd, res, dstr_length(res), 10, NET_NONBLOCK) == -1)
xcb_log(XCB_LOG_WARNING, "Writing to client '%p': %s", crss->c, strerror(errno));
pthread_spin_unlock(&crss->c->lock);
end:
db_iterator_destroy(&it);
dstr_free(res);
table_lock(rids);
table_remove(rids, rid);
table_unlock(rids);
dstr_free(rid);
client_decr(crss->c);
dstr_free(crss->rid);
dstr_free(crss->match);
dstr_free(crss->start);
dstr_free(crss->stop);
FREE(crss);
return NULL;
}
