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Fix off-by-one error that kept the last byte(s) of the output queue from being used.

This commit is contained in:
Jamey Sharp 2006-03-07 21:19:58 -08:00
parent 522a6e0eac
commit c491eeb9a9
1 changed files with 1 additions and 1 deletions
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2
src/xcb_out.c
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@ -237,7 +237,7 @@ int _xcb_out_write(XCBConnection *c)
int _xcb_out_write_block(XCBConnection *c, struct iovec *vector, size_t count) int _xcb_out_write_block(XCBConnection *c, struct iovec *vector, size_t count)
{ {
assert(!c->out.vec && !c->out.vec_len); assert(!c->out.vec && !c->out.vec_len);
while(count && c->out.queue_len + vector[0].iov_len < sizeof(c->out.queue)) while(count && c->out.queue_len + vector[0].iov_len <= sizeof(c->out.queue))
{ {
memcpy(c->out.queue + c->out.queue_len, vector[0].iov_base, vector[0].iov_len); memcpy(c->out.queue + c->out.queue_len, vector[0].iov_base, vector[0].iov_len);
c->out.queue_len += vector[0].iov_len; c->out.queue_len += vector[0].iov_len;