| /* input_file.h header for input-file.c |
| Copyright (C) 1987-2021 Free Software Foundation, Inc. |
| |
| This file is part of GAS, the GNU Assembler. |
| |
| GAS is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GAS is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GAS; see the file COPYING. If not, write to the Free |
| Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
| 02110-1301, USA. */ |
| |
| /*"input_file.c":Operating-system dependent functions to read source files.*/ |
| |
| /* |
| * No matter what the operating system, this module must provide the |
| * following services to its callers. |
| * |
| * input_file_begin() Call once before anything else. |
| * |
| * input_file_end() Call once after everything else. |
| * |
| * input_file_buffer_size() Call anytime. Returns largest possible |
| * delivery from |
| * input_file_give_next_buffer(). |
| * |
| * input_file_open(name) Call once for each input file. |
| * |
| * input_file_give_next_buffer(where) Call once to get each new buffer. |
| * Return 0: no more chars left in file, |
| * the file has already been closed. |
| * Otherwise: return a pointer to just |
| * after the last character we read |
| * into the buffer. |
| * If we can only read 0 characters, then |
| * end-of-file is faked. |
| * |
| * input_file_push() Push state, which can be restored |
| * later. Does implicit input_file_begin. |
| * Returns char * to saved state. |
| * |
| * input_file_pop (arg) Pops previously saved state. |
| * |
| * input_file_close () Closes opened file. |
| * |
| * All errors are reported so caller doesn't have to think |
| * about I/O errors. |
| */ |
| |
| char *input_file_give_next_buffer (char *where); |
| char *input_file_push (void); |
| size_t input_file_buffer_size (void); |
| void input_file_begin (void); |
| void input_file_close (void); |
| void input_file_end (void); |
| void input_file_open (const char *filename, int pre); |
| void input_file_pop (char *arg); |