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Merge pull request #21793 from bfredl/noringbuf

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fix(rbuffer): handle edge case where write_ptr has wrapped around too early
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bfredl 2023-01-14 13:06:22 +01:00 committed by GitHub
commit bf08390442
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1 changed files with 2 additions and 1 deletions
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src/nvim/rbuffer.c
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@ -165,7 +165,8 @@ void rbuffer_consumed_compact(RBuffer *buf, size_t count)
assert(buf->read_ptr <= buf->write_ptr);
rbuffer_consumed(buf, count);
if (buf->read_ptr > buf->start_ptr) {
assert((size_t)(buf->read_ptr - buf->write_ptr) == buf->size);
assert((size_t)(buf->write_ptr - buf->read_ptr) == buf->size
|| buf->write_ptr == buf->start_ptr);
memmove(buf->start_ptr, buf->read_ptr, buf->size);
buf->read_ptr = buf->start_ptr;
buf->write_ptr = buf->read_ptr + buf->size;