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Use const shared_ptr<io_data_t>& instead of copying where appropriate.

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This commit is contained in:
Cheer Xiao 2013-01-01 15:50:41 +08:00
parent 8b10b0a614
commit 7f35f98d7d
1 changed files with 6 additions and 6 deletions
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12
exec.cpp
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@ -160,7 +160,7 @@ static bool use_fd_in_pipe(int fd, const io_chain_t &io_chain)
{
for (size_t idx = 0; idx < io_chain.size(); idx++)
{
shared_ptr<const io_data_t> io = io_chain.at(idx);
const shared_ptr<const io_data_t> &io = io_chain.at(idx);
if ((io->io_mode == IO_BUFFER) ||
(io->io_mode == IO_PIPE))
{
@ -378,7 +378,7 @@ static bool io_transmogrify(const io_chain_t &in_chain, io_chain_t &out_chain, s
for (size_t idx = 0; idx < in_chain.size(); idx++)
{
shared_ptr<io_data_t> in = in_chain.at(idx);
const shared_ptr<io_data_t> &in = in_chain.at(idx);
shared_ptr<io_data_t> out; //gets allocated via new
switch (in->io_mode)
@ -544,7 +544,7 @@ static bool can_use_posix_spawn_for_job(const job_t *job, const process_t *proce
bool result = true;
for (size_t idx = 0; idx < job->io.size(); idx++)
{
shared_ptr<const io_data_t> io = job->io.at(idx);
const shared_ptr<const io_data_t> &io = job->io.at(idx);
if (io->io_mode == IO_FILE)
{
const char *path = io->filename_cstr;
@ -869,7 +869,7 @@ void exec(parser_t &parser, job_t *j)
*/
if (p == j->first_process)
{
shared_ptr<const io_data_t> in = io_chain_get(j->io, 0);
const shared_ptr<const io_data_t> &in = io_chain_get(j->io, 0);
if (in)
{
@ -1154,7 +1154,7 @@ void exec(parser_t &parser, job_t *j)
performance quite a bit in complex completion code.
*/
shared_ptr<io_data_t> io = io_chain_get(j->io, 1);
const shared_ptr<io_data_t> &io = io_chain_get(j->io, 1);
bool buffer_stdout = io && io->io_mode == IO_BUFFER;
if ((get_stderr_buffer().empty()) &&
@ -1183,7 +1183,7 @@ void exec(parser_t &parser, job_t *j)
for (io_chain_t::iterator iter = j->io.begin(); iter != j->io.end(); iter++)
{
shared_ptr<io_data_t> tmp_io = *iter;
shared_ptr<io_data_t> &tmp_io = *iter;
if (tmp_io->io_mode == IO_FILE && strcmp(tmp_io->filename_cstr, "/dev/null") != 0)
{
skip_fork = false;