cppinit.c (cpp_read_main_file): Split into two functions: Distribute _cpp_stack_file call over the two functions.
* cppinit.c (cpp_read_main_file): Split into two functions:
Distribute _cpp_stack_file call over the two functions.
(cpp_find_main_file): New function.
Don't call _cpp_do_file_change even if working_directory flag set.
(cpp_push_main_file): New function.
* cppfiles.c (_cpp_find_failed): New helper function.
(find_file): Made non-static and renamed to _cpp_find_file.
(_cpp_stack_file): No longer needed. But note the following.
(stack_file): Made non-static and renamed to _cpp_stack_file.
* fix-header.c (cpp_read_main_file): Replace cpp_read_main_file
call with calls to cpp_find_main_file and cpp_push_main_file.
(search_path_head): If there is no current buffer, use main_file.
* cpphash.h: Update function declarations.
* cpplib.h: Update function declarations.
From-SVN: r72014
