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cea9b62102
(LINK_EXTENSION): New macro. (check_existence): New static function. (find_on_path): Check for symbolic links if asked. (dll_info): New error handling. (track_down): Only call dll_info() for executables, display an error for symlinks, and print magic number for others. (find_app_on_path): New static function. (cygcheck, dump_sysinfo): Call find_app_on_path() instead of find_on_path(). * path.cc (cmp_shortcut_header): New static function. (get_word, get_dword): Moved from cygcheck.cc. (EXE_MAGIC, SHORTCUT_MAGIC, SYMLINK_COOKIE, SYMLINK_MAGIC): New macros. (is_exe, is_symlink, readlink): New functions. * path.h (is_exe, is_symlink, readlink): Declare. (get_word, get_dword): Ditto.