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Merge branch 'osc-buffer-growth'

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This commit is contained in:
Craig Barnes 2022-03-13 18:22:04 +00:00
commit 2a4e7fde8d
1 changed files with 13 additions and 3 deletions
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16
osc.c
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@ -902,11 +902,20 @@ osc_dispatch(struct terminal *term)
bool
osc_ensure_size(struct terminal *term, size_t required_size)
{
if (required_size <= term->vt.osc.size)
if (likely(required_size <= term->vt.osc.size))
return true;
size_t new_size = (required_size + 127) / 128 * 128;
xassert(new_size > 0);
const size_t pow2_max = ~(SIZE_MAX >> 1);
if (unlikely(required_size > pow2_max)) {
LOG_ERR("required OSC buffer size (%zu) exceeds limit (%zu)",
required_size, pow2_max);
return false;
}
size_t new_size = max(term->vt.osc.size, 4096);
while (new_size < required_size) {
new_size <<= 1;
}
uint8_t *new_data = realloc(term->vt.osc.data, new_size);
if (new_data == NULL) {
@ -914,6 +923,7 @@ osc_ensure_size(struct terminal *term, size_t required_size)
return false;
}
LOG_DBG("resized OSC buffer: %zu", new_size);
term->vt.osc.data = new_data;
term->vt.osc.size = new_size;
return true;