116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
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/* GNU Talkfilters
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Copyright (C) 1998-2003 Free Software Foundation, Inc.
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This file is part of GNU Talkfilters
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GNU Talkfilters is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2, or (at
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your option) any later version.
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This software is distributed in the hope that it will be amusing, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this software; see the file COPYING. If not, write to the
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Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __gtf_common_h
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#define __gtf_common_h
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#if (defined WIN32) && !(defined __MINGW32__)
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#define fileno _fileno
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#define strcasecmp stricmp
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#endif
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#include "config.h"
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typedef struct
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{
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char *buf;
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size_t bufsz;
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char *pos;
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size_t left;
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char overflow;
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} gtf_databuf_t;
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/* We NEVER want to read from stdin when called thru the library API, but flex
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* insists on doing so anyway, so redefine YY_INPUT to always return EOF
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* immediately.
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*/
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#ifdef LIBRARY_MODE
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#define YY_INPUT(buffer,result,max_size) YY_NULL
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#endif
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#define HELP_OPTION 0
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#define VERSION_OPTION 1
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extern void gtf_parse_args_basic(int argc, char **argv, const char *help,
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const char *version);
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#define gtf_parse_args() \
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gtf_parse_args_basic(argc, argv, GTF_HELP, GTF_VERSION)
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extern void gtf_strbuf_init(gtf_databuf_t *sbuf, char *buf, size_t bufsz);
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extern int gtf_strbuf_vprintf(gtf_databuf_t *buf, const char *fmt, ...);
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extern int gtf_strbuf_puts(gtf_databuf_t *buf, const char *s);
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extern int gtf_strbuf_putc(gtf_databuf_t *buf, char c);
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#ifdef LIBRARY_MODE
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#define gtf_printf(...) \
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gtf_strbuf_vprintf(buf, __VA_ARGS__)
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#define gtf_putc(S) \
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gtf_strbuf_putc(buf, (S))
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#define gtf_puts(S) \
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gtf_strbuf_puts(buf, (S))
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#else /* LIBRARY_MODE */
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#define gtf_printf printf
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#define gtf_putc putchar
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#define gtf_puts(S) \
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fputs((S), stdout)
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#endif /* LIBRARY_MODE */
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#define gtf_unput_last() \
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unput(*(yytext + yyleng - 1))
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#define gtf_match_case(X, Y) \
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isupper(X) ? toupper(Y) : tolower(Y)
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#define gtf_puts_case(T) \
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gtf_printf("%c%s", gtf_match_case(*yytext, *(T)), (T) + 1)
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#define gtf_echo() \
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gtf_puts(yytext)
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#define gtf_reset() \
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{ yyrestart(NULL); BEGIN(0); }
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extern void gtf_random_seed(void);
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#define gtf_random(R) \
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(int)(rand() % (R))
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#define GTF_HELP \
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"Usage: %s [OPTIONS]\n\n\
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Options:\n\
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--help display this help information and exit\n\
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--version output version information and exit\n\n\
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This program is a filter; it reads data from standard input, processes it,\n\
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and writes the results to standard output.\n"
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#define GTF_VERSION "GNU Talk Filters v" VERSION
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#endif /* __gtf_common_h */
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