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osc: allocate data buffer dynamically

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Daniel Eklöf 2019-07-19 08:59:35 +02:00
parent 95ff37afd7
commit 153628a217
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GPG key ID: 5BBD4992C116573F
5 changed files with 30 additions and 4 deletions
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20
osc.c
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@ -83,3 +83,23 @@ osc_dispatch(struct terminal *term)
break;
}
}
bool
osc_ensure_size(struct terminal *term, size_t required_size)
{
if (required_size <= term->vt.osc.size)
return true;
size_t new_size = (required_size + 127) / 128 * 128;
assert(new_size > 0);
uint8_t *new_data = realloc(term->vt.osc.data, new_size);
if (new_data == NULL) {
LOG_ERRNO("failed to increase size of OSC buffer");
return false;
}
term->vt.osc.data = new_data;
term->vt.osc.size = new_size;
return true;
}