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This removes the remaining cleanup from remote.c, by changing remote_state::buf to be a gdb::char_vector, and then fixing up all the fallout. The resulting patch is somewhat ugly, but on the other hand, it eliminates some possibilities for mistakes. Regression tested using the Fedora-x86_64-native-extended-gdbserver-m64 builder on the buildbot. gdb/ChangeLog 2019-01-15 Tom Tromey <tom@tromey.com> * remote.c (class remote_state) <buf>: Now a char_vector. <buf_size>: Remove. (remote_target::getpkt): Change type of buf. Remove sizeof_buf parameter. (remote_target::getpkt_or_notif_sane_1) (remote_target::getpkt_sane) (remote_target::getpkt_or_notif_sane): Likewise. (class remote_target) <putpkt>: New overload. (remote_target::read_frame): Change type of "buf_p". Remove sizeof_p parameter. (packet_ok): New overload. (packet_check_result): New overload. Update all uses.
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