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refactor(terminal): remove an unnecessary xmemdupz() for OSC 8 (#36012)

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Instead, NUL-terminate the StringBuilder when needed.
Also deduplicate xmemdup() calls for schedule_termrequest().
This commit is contained in:
zeertzjq
2025-10-04 11:30:07 +08:00
committed by GitHub
parent 81d9c29d69
commit 04022c70f3
1 changed files with 17 additions and 22 deletions
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39
src/nvim/terminal.c
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@@ -268,24 +268,25 @@ static void emit_termrequest(void **argv)
xfree(pending_send);
}
static void schedule_termrequest(Terminal *term, char *sequence, size_t sequence_length)
static void schedule_termrequest(Terminal *term)
{
term->pending.send = xmalloc(sizeof(StringBuilder));
kv_init(*term->pending.send);
int line = row_to_linenr(term, term->cursor.row);
multiqueue_put(main_loop.events, emit_termrequest, term, sequence, (void *)sequence_length,
term->pending.send, (void *)(intptr_t)line,
(void *)(intptr_t)term->cursor.col);
multiqueue_put(main_loop.events, emit_termrequest, term,
xmemdup(term->termrequest_buffer.items, term->termrequest_buffer.size),
(void *)(intptr_t)term->termrequest_buffer.size, term->pending.send,
(void *)(intptr_t)line, (void *)(intptr_t)term->cursor.col);
}
static int parse_osc8(const char *str, size_t len, int *attr)
static int parse_osc8(const char *str, int *attr)
FUNC_ATTR_NONNULL_ALL
{
// Parse the URI from the OSC 8 sequence and add the URL to our URL set.
// Skip the ID, we don't use it (for now)
size_t i = 0;
for (; i < len; i++) {
for (; str[i] != NUL; i++) {
if (str[i] == ';') {
break;
}
@@ -299,16 +300,13 @@ static int parse_osc8(const char *str, size_t len, int *attr)
// Move past the semicolon
i++;
if (i >= len) {
if (str[i] == NUL) {
// Empty OSC 8, no URL
*attr = 0;
return 1;
}
char *url = xmemdupz(str + i, len - i);
*attr = hl_add_url(0, url);
xfree(url);
*attr = hl_add_url(0, str + i);
return 1;
}
@@ -331,20 +329,19 @@ static int on_osc(int command, VTermStringFragment frag, void *user)
}
kv_concat_len(term->termrequest_buffer, frag.str, frag.len);
if (frag.final) {
if (has_event(EVENT_TERMREQUEST)) {
schedule_termrequest(term);
}
if (command == 8) {
kv_push(term->termrequest_buffer, NUL);
const size_t off = STRLEN_LITERAL("\x1b]8;");
int attr = 0;
const int off = STRLEN_LITERAL("\x1b]8;");
if (parse_osc8(term->termrequest_buffer.items + off,
term->termrequest_buffer.size - off, &attr)) {
if (parse_osc8(term->termrequest_buffer.items + off, &attr)) {
VTermState *state = vterm_obtain_state(term->vt);
VTermValue value = { .number = attr };
vterm_state_set_penattr(state, VTERM_ATTR_URI, VTERM_VALUETYPE_INT, &value);
}
}
if (has_event(EVENT_TERMREQUEST)) {
char *sequence = xmemdup(term->termrequest_buffer.items, term->termrequest_buffer.size);
schedule_termrequest(user, sequence, term->termrequest_buffer.size);
}
}
return 1;
}
@@ -366,8 +363,7 @@ static int on_dcs(const char *command, size_t commandlen, VTermStringFragment fr
}
kv_concat_len(term->termrequest_buffer, frag.str, frag.len);
if (frag.final) {
char *sequence = xmemdup(term->termrequest_buffer.items, term->termrequest_buffer.size);
schedule_termrequest(user, sequence, term->termrequest_buffer.size);
schedule_termrequest(term);
}
return 1;
}
@@ -389,8 +385,7 @@ static int on_apc(VTermStringFragment frag, void *user)
}
kv_concat_len(term->termrequest_buffer, frag.str, frag.len);
if (frag.final) {
char *sequence = xmemdup(term->termrequest_buffer.items, term->termrequest_buffer.size);
schedule_termrequest(user, sequence, term->termrequest_buffer.size);
schedule_termrequest(term);
}
return 1;
}