Push files

common.h

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+/* GNU Talkfilters
+   Copyright (C) 1998-2003 Free Software Foundation, Inc.
+
+   This file is part of GNU Talkfilters
+
+   GNU Talkfilters 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 2, or (at
+   your option) any later version.
+
+   This software is distributed in the hope that it will be amusing, 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 this software; see the file COPYING.  If not, write to the
+   Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __gtf_common_h
+#define __gtf_common_h
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+
+#if (defined WIN32) && !(defined __MINGW32__)
+#define fileno _fileno
+#define strcasecmp stricmp
+#endif
+
+#include "config.h"
+
+typedef struct
+  {
+  char *buf;
+  size_t bufsz;
+  char *pos;
+  size_t left;
+  char overflow;
+  } gtf_databuf_t;
+
+/* We NEVER want to read from stdin when called thru the library API, but flex
+ * insists on doing so anyway, so redefine YY_INPUT to always return EOF
+ * immediately.
+ */
+
+#ifdef LIBRARY_MODE
+#define YY_INPUT(buffer,result,max_size) YY_NULL
+#endif
+
+
+#define HELP_OPTION 0
+#define VERSION_OPTION 1
+
+extern void gtf_parse_args_basic(int argc, char **argv, const char *help,
+                           const char *version);
+
+#define gtf_parse_args() \
+  gtf_parse_args_basic(argc, argv, GTF_HELP, GTF_VERSION)
+
+extern void gtf_strbuf_init(gtf_databuf_t *sbuf, char *buf, size_t bufsz);
+
+extern int gtf_strbuf_vprintf(gtf_databuf_t *buf, const char *fmt, ...);
+
+extern int gtf_strbuf_puts(gtf_databuf_t *buf, const char *s);
+
+extern int gtf_strbuf_putc(gtf_databuf_t *buf, char c);
+
+#ifdef LIBRARY_MODE
+#define gtf_printf(...) \
+  gtf_strbuf_vprintf(buf, __VA_ARGS__)
+#define gtf_putc(S) \
+  gtf_strbuf_putc(buf, (S))
+#define gtf_puts(S) \
+  gtf_strbuf_puts(buf, (S))
+#else /* LIBRARY_MODE */
+#define gtf_printf printf
+#define gtf_putc putchar
+#define gtf_puts(S) \
+  fputs((S), stdout)
+#endif /* LIBRARY_MODE */
+
+#define gtf_unput_last() \
+  unput(*(yytext + yyleng - 1))
+
+#define gtf_match_case(X, Y) \
+  isupper(X) ? toupper(Y) : tolower(Y)
+
+#define gtf_puts_case(T) \
+  gtf_printf("%c%s", gtf_match_case(*yytext, *(T)), (T) + 1)
+
+#define gtf_echo() \
+  gtf_puts(yytext)
+
+#define gtf_reset() \
+  { yyrestart(NULL); BEGIN(0); }
+
+extern void gtf_random_seed(void);
+
+#define gtf_random(R) \
+  (int)(rand() % (R))
+
+#define GTF_HELP \
+"Usage: %s [OPTIONS]\n\n\
+Options:\n\
+   --help                   display this help information and exit\n\
+   --version                output version information and exit\n\n\
+This program is a filter; it reads data from standard input, processes it,\n\
+and writes the results to standard output.\n"
+
+#define GTF_VERSION "GNU Talk Filters v" VERSION
+
+#endif /* __gtf_common_h */