diff options
| author | Tim O'Shea <tim.oshea753@gmail.com> | 2012-12-07 09:28:41 -0800 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2012-12-07 09:36:19 -0800 |
| commit | 52ca5e2765b7a4532d26502b5b76b7c85c5019d7 (patch) | |
| tree | 27901f998f00d4c824c060723fab9d397931aeb3 /gruel/src/lib/pmt/pmt.cc | |
| parent | 69990c3fb6d4c7a0daee0229407241aa1959095a (diff) | |
core: added gr_tuntap_pdu, gr_socket_pdu, and msg passing enhancements
Diffstat (limited to 'gruel/src/lib/pmt/pmt.cc')
| -rw-r--r-- | gruel/src/lib/pmt/pmt.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gruel/src/lib/pmt/pmt.cc b/gruel/src/lib/pmt/pmt.cc index 3eb39ed7b1..e5baca98a8 100644 --- a/gruel/src/lib/pmt/pmt.cc +++ b/gruel/src/lib/pmt/pmt.cc @@ -1340,6 +1340,22 @@ pmt_list_rm(pmt_t list, const pmt_t& item) } } +bool +pmt_list_has(pmt_t list, const pmt_t& item) +{ + if(pmt_is_pair(list)){ + pmt_t left = pmt_car(list); + pmt_t right = pmt_cdr(list); + if(pmt_equal(left,item)) + return true; + return pmt_list_has(right, item); + } else { + if(pmt_is_null(list)) + return false; + throw std::runtime_error("list contains invalid format!"); + } +} + pmt_t pmt_caar(pmt_t pair) { |