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Problem: loop variable modified in loop step and body

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Solution: modify it in loop body only
This commit is contained in:
Simon Giesecke 2019-12-23 12:02:32 +01:00
parent a64c3e6c7d
commit d4cc592387
1 changed files with 12 additions and 5 deletions
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17
src/dist.cpp
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@ -171,9 +171,13 @@ void zmq::dist_t::distribute (msg_t *msg_)
}
if (msg_->is_vsm ()) {
for (pipes_t::size_type i = 0; i < _matching; ++i)
if (!write (_pipes[i], msg_))
--i; // Retry last write because index will have been swapped
for (pipes_t::size_type i = 0; i < _matching;) {
if (!write (_pipes[i], msg_)) {
// Use same index again because entry will have been removed.
} else {
++i;
}
}
int rc = msg_->close ();
errno_assert (rc == 0);
rc = msg_->init ();
@ -187,10 +191,13 @@ void zmq::dist_t::distribute (msg_t *msg_)
// Push copy of the message to each matching pipe.
int failed = 0;
for (pipes_t::size_type i = 0; i < _matching; ++i)
for (pipes_t::size_type i = 0; i < _matching;) {
if (!write (_pipes[i], msg_)) {
++failed;
--i; // Retry last write because index will have been swapped
// Use same index again because entry will have been removed.
} else {
++i;
}
}
if (unlikely (failed))
msg_->rm_refs (failed);