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7e24f1bf3a
(cwd_posix): Eliminate. (cwd_hash): Eliminate. (cwdstuff::init): Rename from cwd_init. (cwdstuff::fixup_after_exec): Rename from cwd_fixup_after_exec. (cwdstuff::get): Rename from get_cwd_inner. (normalize_posix_path): Eliminate cwd argument. Just calculate when necessary. (normalize_win32_path): Ditto. (mount_info::conv_to_win32_path): Eliminate cwd retrieval here. (mount_info::conv_to_posix_path): Ditto. (hash_path_name): Accomodate additional methods in cwdstuff. (get_cwd_win32): Eliminate. (getcwd): Use cwdstuff methods. Properly handle case where buf == NULL and len < 0. (cwdstuff::get_hash): New method. (cwdstuff::get_initial): New method. (cwdstuff::set): New method. (cwdstuff::get): New method. (cwdstuff::copy): New method. * path.h: Move cwdstuff struct here. Add a bunch of stuff to cwdstuff. Make cygcwd an extern. * spawn.cc (spawn_guts): Use copy method to get copies of cwd info to pass to execed process. * dcrt0.cc (dll_crt0_1): Use cygcwd methods for cwd initialization.