145     _cpp_file *file;  member
150 static bool open_file (_cpp_file *file);
151 static bool pch_open_file (cpp_reader *pfile, _cpp_file *file,
153 static bool find_file_in_dir (cpp_reader *pfile, _cpp_file *file,
155 static bool read_file_guts (cpp_reader *pfile, _cpp_file *file);
156 static bool read_file (cpp_reader *pfile, _cpp_file *file);
157 static bool should_stack_file (cpp_reader *, _cpp_file *file, bool import);
160 static const char *dir_name_of_file (_cpp_file *file);
161 static void open_file_failed (cpp_reader *pfile, _cpp_file *file, int);
174 static char *remap_filename (cpp_reader *pfile, _cpp_file *file);
176 static bool validate_pch (cpp_reader *, _cpp_file *file, const char *pchname);
201 open_file (_cpp_file *file)  in open_file()  argument
203   if (file->path[0] == '\0')  in open_file()
205       file->fd = 0;  in open_file()
209     file->fd = open (file->path, O_RDONLY | O_NOCTTY | O_BINARY, 0666);  in open_file()
211   if (file->fd != -1)  in open_file()
213       if (fstat (file->fd, &file->st) == 0)  in open_file()
215 	  if (!S_ISDIR (file->st.st_mode))  in open_file()
217 	      file->err_no = 0;  in open_file()
226       close (file->fd);  in open_file()
227       file->fd = -1;  in open_file()
232   file->err_no = errno;  in open_file()
243 pch_open_file (cpp_reader *pfile, _cpp_file *file, bool *invalid_pch)  in pch_open_file()  argument
246   const char *path = file->path;  in pch_open_file()
253   if (file->name[0] == '\0' || !pfile->cb.valid_pch)  in pch_open_file()
269 	valid = validate_pch (pfile, file, pchname);  in pch_open_file()
285 	      valid = validate_pch (pfile, file, pchname);  in pch_open_file()
292 	file->pch = true;  in pch_open_file()
298     file->pchname = pchname;  in pch_open_file()
311 find_file_in_dir (cpp_reader *pfile, _cpp_file *file, bool *invalid_pch)  in find_file_in_dir()  argument
315   if (CPP_OPTION (pfile, remap) && (path = remap_filename (pfile, file)))  in find_file_in_dir()
318     if (file->dir->construct)  in find_file_in_dir()
319       path = file->dir->construct (file->name, file->dir);  in find_file_in_dir()
321       path = append_file_to_dir (file->name, file->dir);  in find_file_in_dir()
325       file->path = path;  in find_file_in_dir()
326       if (pch_open_file (pfile, file, invalid_pch))  in find_file_in_dir()
329       if (open_file (file))  in find_file_in_dir()
332       if (file->err_no != ENOENT)  in find_file_in_dir()
334 	  open_file_failed (pfile, file, 0);  in find_file_in_dir()
339       file->path = file->name;  in find_file_in_dir()
343       file->err_no = ENOENT;   in find_file_in_dir()
344       file->path = NULL;  in find_file_in_dir()
352 search_path_exhausted (cpp_reader *pfile, const char *header, _cpp_file *file)  in search_path_exhausted()  argument
359       && file->dir == NULL)  in search_path_exhausted()
361       if ((file->path = func (pfile, header, &file->dir)) != NULL)  in search_path_exhausted()
363 	  if (open_file (file))  in search_path_exhausted()
365 	  free ((void *)file->path);  in search_path_exhausted()
367       file->path = file->name;  in search_path_exhausted()
374 _cpp_find_failed (_cpp_file *file)  in _cpp_find_failed()  argument
376   return file->err_no != 0;  in _cpp_find_failed()
397   _cpp_file *file;  in _cpp_find_file()  local
412     return entry->u.file;  in _cpp_find_file()
414   file = make_cpp_file (pfile, start_dir, fname);  in _cpp_find_file()
419       if (find_file_in_dir (pfile, file, &invalid_pch))  in _cpp_find_file()
422       file->dir = file->dir->next;  in _cpp_find_file()
423       if (file->dir == NULL)  in _cpp_find_file()
425 	  if (search_path_exhausted (pfile, fname, file))  in _cpp_find_file()
431 	      file->next_file = pfile->all_files;  in _cpp_find_file()
432 	      pfile->all_files = file;  in _cpp_find_file()
433 	      return file;  in _cpp_find_file()
436 	  open_file_failed (pfile, file, angle_brackets);  in _cpp_find_file()
451       if (file->dir != pfile->bracket_include  in _cpp_find_file()
452 	  && file->dir != pfile->quote_include)  in _cpp_find_file()
455       entry = search_cache (*hash_slot, file->dir);  in _cpp_find_file()
463       free ((char *) file->name);  in _cpp_find_file()
464       free (file);  in _cpp_find_file()
465       file = entry->u.file;  in _cpp_find_file()
470       file->next_file = pfile->all_files;  in _cpp_find_file()
471       pfile->all_files = file;  in _cpp_find_file()
478   entry->u.file = file;  in _cpp_find_file()
481   return file;  in _cpp_find_file()
493 read_file_guts (cpp_reader *pfile, _cpp_file *file)  in read_file_guts()  argument
499   if (S_ISBLK (file->st.st_mode))  in read_file_guts()
501       cpp_error (pfile, CPP_DL_ERROR, "%s is a block device", file->path);  in read_file_guts()
505   regular = S_ISREG (file->st.st_mode);  in read_file_guts()
516       if (file->st.st_size > INTTYPE_MAXIMUM (ssize_t))  in read_file_guts()
518 	  cpp_error (pfile, CPP_DL_ERROR, "%s is too large", file->path);  in read_file_guts()
522       size = file->st.st_size;  in read_file_guts()
532   while ((count = read (file->fd, buf + total, size - total)) > 0)  in read_file_guts()
547       cpp_errno (pfile, CPP_DL_ERROR, file->path);  in read_file_guts()
551   if (regular && total != size && STAT_SIZE_RELIABLE (file->st))  in read_file_guts()
553 	       "%s is shorter than expected", file->path);  in read_file_guts()
555   file->buffer = _cpp_convert_input (pfile, CPP_OPTION (pfile, input_charset),  in read_file_guts()
556 				     buf, size, total, &file->st.st_size);  in read_file_guts()
557   file->buffer_valid = true;  in read_file_guts()
566 read_file (cpp_reader *pfile, _cpp_file *file)  in read_file()  argument
569   if (file->buffer_valid)  in read_file()
573   if (file->dont_read || file->err_no)  in read_file()
576   if (file->fd == -1 && !open_file (file))  in read_file()
578       open_file_failed (pfile, file, 0);  in read_file()
582   file->dont_read = !read_file_guts (pfile, file);  in read_file()
583   close (file->fd);  in read_file()
584   file->fd = -1;  in read_file()
586   return !file->dont_read;  in read_file()
592 should_stack_file (cpp_reader *pfile, _cpp_file *file, bool import)  in should_stack_file()  argument
597   if (file->once_only)  in should_stack_file()
605       _cpp_mark_file_once_only (pfile, file);  in should_stack_file()
608       if (file->stack_count)  in should_stack_file()
614   if (file->cmacro && file->cmacro->type == NT_MACRO)  in should_stack_file()
618   if (file->pch)  in should_stack_file()
620       pfile->cb.read_pch (pfile, file->pchname, file->fd, file->path);  in should_stack_file()
621       close (file->fd);  in should_stack_file()
622       file->fd = -1;  in should_stack_file()
626   if (!read_file (pfile, file))  in should_stack_file()
632   if (check_file_against_entries (pfile, file, import))  in should_stack_file()
638 	_cpp_mark_file_once_only (pfile, file);  in should_stack_file()
651       if (f == file)  in should_stack_file()
656 	  && f->st.st_mtime == file->st.st_mtime  in should_stack_file()
657 	  && f->st.st_size == file->st.st_size)  in should_stack_file()
675 			&& ref_file->st.st_size == file->st.st_size  in should_stack_file()
677 				    file->buffer,  in should_stack_file()
678 				    file->st.st_size);  in should_stack_file()
699 _cpp_stack_file (cpp_reader *pfile, _cpp_file *file, bool import)  in _cpp_stack_file()  argument
704   if (!should_stack_file (pfile, file, import))  in _cpp_stack_file()
707   if (pfile->buffer == NULL || file->dir == NULL)  in _cpp_stack_file()
710     sysp = MAX (pfile->buffer->sysp,  file->dir->sysp);  in _cpp_stack_file()
713   if (CPP_OPTION (pfile, deps.style) > !!sysp && !file->stack_count)  in _cpp_stack_file()
715       if (!file->main_file || !CPP_OPTION (pfile, deps.ignore_main_file))  in _cpp_stack_file()
716 	deps_add_dep (pfile->deps, file->path);  in _cpp_stack_file()
720   file->buffer_valid = false;  in _cpp_stack_file()
721   file->stack_count++;  in _cpp_stack_file()
724   buffer = cpp_push_buffer (pfile, file->buffer, file->st.st_size,  in _cpp_stack_file()
726   buffer->file = file;  in _cpp_stack_file()
734   _cpp_do_file_change (pfile, LC_ENTER, file->path, 1, sysp);  in _cpp_stack_file()
741 _cpp_mark_file_once_only (cpp_reader *pfile, _cpp_file *file)  in _cpp_mark_file_once_only()  argument
744   file->once_only = true;  in _cpp_mark_file_once_only()
755   _cpp_file *file;  in search_path_head()  local
761   file = pfile->buffer == NULL ? pfile->main_file : pfile->buffer->file;  in search_path_head()
766   if (type == IT_INCLUDE_NEXT && file->dir)  in search_path_head()
767     dir = file->dir->next;  in search_path_head()
777     return make_cpp_dir (pfile, dir_name_of_file (file),  in search_path_head()
791 dir_name_of_file (_cpp_file *file)  in dir_name_of_file()  argument
793   if (!file->dir_name)  in dir_name_of_file()
795       size_t len = lbasename (file->path) - file->path;  in dir_name_of_file()
798       memcpy (dir_name, file->path, len);  in dir_name_of_file()
800       file->dir_name = dir_name;  in dir_name_of_file()
803   return file->dir_name;  in dir_name_of_file()
814   _cpp_file *file;  in _cpp_stack_include()  local
820   file = _cpp_find_file (pfile, fname, dir, false, angle_brackets);  in _cpp_stack_include()
829   if (! file->pch && file->err_no == 0 && type != IT_CMDLINE)  in _cpp_stack_include()
832   return _cpp_stack_file (pfile, file, type == IT_IMPORT);  in _cpp_stack_include()
837 open_file_failed (cpp_reader *pfile, _cpp_file *file, int angle_brackets)  in open_file_failed()  argument
842   errno = file->err_no;  in open_file_failed()
844     deps_add_dep (pfile->deps, file->name);  in open_file_failed()
850 	cpp_errno (pfile, CPP_DL_WARNING, file->path);  in open_file_failed()
852 	cpp_errno (pfile, CPP_DL_ERROR, file->path);  in open_file_failed()
871   _cpp_file *file;  in make_cpp_file()  local
873   file = XCNEW (_cpp_file);  in make_cpp_file()
874   file->main_file = !pfile->buffer;  in make_cpp_file()
875   file->fd = -1;  in make_cpp_file()
876   file->dir = dir;  in make_cpp_file()
877   file->name = xstrdup (fname);  in make_cpp_file()
879   return file;  in make_cpp_file()
884 destroy_cpp_file (_cpp_file *file)  in destroy_cpp_file()  argument
886   if (file->buffer)  in destroy_cpp_file()
887     free ((void *) file->buffer);  in destroy_cpp_file()
888   free ((void *) file->name);  in destroy_cpp_file()
889   free (file);  in destroy_cpp_file()
963   while (entry && (entry->start_dir == NULL || entry->u.file->err_no))  in cpp_included()
977     hname = entry->u.file->name;  in file_hash_hash()
993     hname = entry->u.file->name;  in file_hash_eq()
1023   _cpp_find_file (pfile, fname, pfile->buffer->file->dir, true, 0);  in _cpp_fake_include()
1064       _cpp_file *file = entry->u.file;  in report_missing_guard()  local
1067       if (file->cmacro == NULL && file->stack_count == 1 && !file->main_file)  in report_missing_guard()
1076 	  fputs (entry->u.file->path, stderr);  in report_missing_guard()
1101   _cpp_file *file;  in _cpp_compare_file_date()  local
1108   file = _cpp_find_file (pfile, fname, dir, false, angle_brackets);  in _cpp_compare_file_date()
1109   if (file->err_no)  in _cpp_compare_file_date()
1112   if (file->fd != -1)  in _cpp_compare_file_date()
1114       close (file->fd);  in _cpp_compare_file_date()
1115       file->fd = -1;  in _cpp_compare_file_date()
1118   return file->st.st_mtime > pfile->buffer->file->st.st_mtime;  in _cpp_compare_file_date()
1132 _cpp_pop_file_buffer (cpp_reader *pfile, _cpp_file *file)  in _cpp_pop_file_buffer()  argument
1136   if (pfile->mi_valid && file->cmacro == NULL)  in _cpp_pop_file_buffer()
1137     file->cmacro = pfile->mi_cmacro;  in _cpp_pop_file_buffer()
1142   if (file->buffer)  in _cpp_pop_file_buffer()
1144       free ((void *) file->buffer);  in _cpp_pop_file_buffer()
1145       file->buffer = NULL;  in _cpp_pop_file_buffer()
1146       file->buffer_valid = false;  in _cpp_pop_file_buffer()
1152 _cpp_get_file_stat (_cpp_file *file)  in _cpp_get_file_stat()  argument
1154     return &file->st;  in _cpp_get_file_stat()
1294 remap_filename (cpp_reader *pfile, _cpp_file *file)  in remap_filename()  argument
1301   dir = file->dir;  in remap_filename()
1302   fname = file->name;  in remap_filename()
1330 validate_pch (cpp_reader *pfile, _cpp_file *file, const char *pchname)  in validate_pch()  argument
1332   const char *saved_path = file->path;  in validate_pch()
1335   file->path = pchname;  in validate_pch()
1336   if (open_file (file))  in validate_pch()
1338       valid = 1 & pfile->cb.valid_pch (pfile, pchname, file->fd);  in validate_pch()
1342 	  close (file->fd);  in validate_pch()
1343 	  file->fd = -1;  in validate_pch()
1356   file->path = saved_path;  in validate_pch()
1392   return b->file;  in cpp_get_file()