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- /* This may look like C code, but it is really -*- C++ -*- */
-
- /* Reads arbitrarily long string from input file, returning it as a dynamic buffer.
-
- Copyright (C) 1989 Free Software Foundation, Inc.
- written by Douglas C. Schmidt (schmidt@ics.uci.edu)
-
- This file is part of GNU GPERF.
-
- GNU GPERF 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 1, or (at your option)
- any later version.
-
- GNU GPERF 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 GNU GPERF; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* Returns a pointer to an arbitrary length string. Returns NULL on error or EOF
- The storage for the string is dynamically allocated by new. */
-
- #ifndef read_line_h
- #define read_line_h 1
-
- #include <stdio.h>
- #include "trace.h"
-
- class Read_Line
- {
- private:
- char *readln_aux (int chunks);
- FILE *fp; /* FILE pointer to the input stream. */
- const int CHUNK_SIZE; /* Size of each chunk. */
-
- public:
- Read_Line (FILE *stream = stdin, int size = BUFSIZ):
- fp (stream), CHUNK_SIZE (size) {;}
- char *get_line (void);
- };
-
- #ifdef __OPTIMIZE__
- inline char *
- Read_Line::get_line (void)
- {
- T (Trace t ("Read_Line::get_line");)
- int c;
-
- if ((c = getc (fp)) == '#')
- {
- while (getc (fp) != '\n')
- ;
-
- return get_line ();
- }
- else
- {
- ungetc (c, stdin);
- return readln_aux (0);
- }
- }
- #endif
-
- #endif
-