These all handle reading the tinyproxy configuration file.

1 files changed, 1763 insertions, 0 deletions

diff --git a/src/scanner.c b/src/scanner.c
new file mode 100644
index 0000000..4611cd7
--- /dev/null
+++ b/src/scanner.c
@@ -0,0 +1,1763 @@
+/* A lexical scanner generated by flex */
+
+/* Scanner skeleton version:
+ * $Header: /home/muks/projects/tinyproxy.rsync/tinyproxy-devel/src/scanner.c,v 1.1 2000-09-12 00:12:52 rjkaes Exp $
+ */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+
+#include <stdio.h>
+
+
+/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
+#ifdef c_plusplus
+#ifndef __cplusplus
+#define __cplusplus
+#endif
+#endif
+
+
+#ifdef __cplusplus
+
+#include <stdlib.h>
+#include <unistd.h>
+
+/* Use prototypes in function declarations. */
+#define YY_USE_PROTOS
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else	/* ! __cplusplus */
+
+#if __STDC__
+
+#define YY_USE_PROTOS
+#define YY_USE_CONST
+
+#endif	/* __STDC__ */
+#endif	/* ! __cplusplus */
+
+#ifdef __TURBOC__
+ #pragma warn -rch
+ #pragma warn -use
+#include <io.h>
+#include <stdlib.h>
+#define YY_USE_CONST
+#define YY_USE_PROTOS
+#endif
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+
+#ifdef YY_USE_PROTOS
+#define YY_PROTO(proto) proto
+#else
+#define YY_PROTO(proto) ()
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index.  If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN yy_start = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START ((yy_start - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart( yyin )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#define YY_BUF_SIZE 16384
+
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+
+extern int yyleng;
+extern FILE *yyin, *yyout;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+/* The funky do-while in the following #define is used to turn the definition
+ * int a single C statement (which needs a semi-colon terminator).  This
+ * avoids problems with code like:
+ *
+ * 	if ( condition_holds )
+ *		yyless( 5 );
+ *	else
+ *		do_something_else();
+ *
+ * Prior to using the do-while the compiler would get upset at the
+ * "else" because it interpreted the "if" statement as being all
+ * done when it reached the ';' after the yyless() call.
+ */
+
+/* Return all but the first 'n' matched characters back to the input stream. */
+
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+		*yy_cp = yy_hold_char; \
+		YY_RESTORE_YY_MORE_OFFSET \
+		yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+		} \
+	while ( 0 )
+
+#define unput(c) yyunput( c, yytext_ptr )
+
+/* The following is because we cannot portably get our hands on size_t
+ * (without autoconf's help, which isn't available because we want
+ * flex-generated scanners to compile on their own).
+ */
+typedef unsigned int yy_size_t;
+
+
+struct yy_buffer_state
+	{
+	FILE *yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	yy_size_t yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via yyrestart()), so that the user can continue scanning by
+	 * just pointing yyin at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+	};
+
+static YY_BUFFER_STATE yy_current_buffer = 0;
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ */
+#define YY_CURRENT_BUFFER yy_current_buffer
+
+
+/* yy_hold_char holds the character lost when yytext is formed. */
+static char yy_hold_char;
+
+static int yy_n_chars;		/* number of characters read into yy_ch_buf */
+
+
+int yyleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 1;		/* whether we need to initialize */
+static int yy_start = 0;	/* start state number */
+
+/* Flag which is used to allow yywrap()'s to do buffer switches
+ * instead of setting up a fresh yyin.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void yyrestart YY_PROTO(( FILE *input_file ));
+
+void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
+void yy_load_buffer_state YY_PROTO(( void ));
+YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
+void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
+void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
+void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
+#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
+
+YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
+YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
+YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
+
+static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
+static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
+static void yy_flex_free YY_PROTO(( void * ));
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! yy_current_buffer ) \
+		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	yy_current_buffer->yy_is_interactive = is_interactive; \
+	}
+
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! yy_current_buffer ) \
+		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	yy_current_buffer->yy_at_bol = at_bol; \
+	}
+
+#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
+
+
+#define yywrap() 1
+#define YY_SKIP_YYWRAP
+typedef unsigned char YY_CHAR;
+FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
+typedef int yy_state_type;
+extern char *yytext;
+#define yytext_ptr yytext
+
+static yy_state_type yy_get_previous_state YY_PROTO(( void ));
+static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
+static int yy_get_next_buffer YY_PROTO(( void ));
+static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+	yytext_ptr = yy_bp; \
+	yyleng = (int) (yy_cp - yy_bp); \
+	yy_hold_char = *yy_cp; \
+	*yy_cp = '\0'; \
+	yy_c_buf_p = yy_cp;
+
+#define YY_NUM_RULES 22
+#define YY_END_OF_BUFFER 23
+static yyconst short int yy_accept[59] =
+    {   0,
+        0,    0,    0,    0,   23,   22,    3,    2,   10,   22,
+       22,   22,    6,    6,    7,   18,   17,   22,    3,    0,
+        1,    9,    0,    0,    0,    0,    5,    0,    6,    7,
+       18,   16,   11,   12,   13,   14,   15,    8,   21,    0,
+        5,    4,    6,    0,    0,    5,    6,    0,    0,    0,
+        0,   19,    0,    0,   19,   20,   19,    0
+    } ;
+
+static yyconst int yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    1,    4,    5,    1,    1,    1,    6,    1,
+        1,    1,    1,    1,    7,    8,    9,   10,   11,   11,
+       11,   11,   11,   11,   11,   11,   11,   12,    1,    1,
+        1,    1,    1,    1,   14,   15,   15,   15,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   16,   15,   15,
+       15,   17,   15,   18,   15,   19,   15,   20,   15,   15,
+        1,   13,    1,    1,    7,    1,   14,   15,   15,   15,
+
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   16,
+       15,   15,   15,   17,   15,   18,   15,   19,   15,   20,
+       15,   15,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1
+    } ;
+
+static yyconst int yy_meta[21] =
+    {   0,
+        1,    1,    1,    2,    1,    1,    3,    4,    1,    3,
+        3,    1,    2,    3,    3,    3,    3,    3,    3,    3
+    } ;
+
+static yyconst short int yy_base[66] =
+    {   0,
+        0,    0,   17,   18,  119,  126,   86,  126,  126,   69,
+       17,   60,   24,   16,   38,    0,  126,   36,   62,   54,
+      126,  126,   45,   39,   26,   31,   29,   48,   50,   55,
+        0,  126,  126,  126,  126,  126,  126,  126,   59,   63,
+       65,    0,   67,   69,   71,   73,   75,   79,   35,   81,
+       83,   86,   20,   88,   90,   92,   94,  126,  105,  109,
+      111,  113,  117,  121,   22
+    } ;
+
+static yyconst short int yy_def[66] =
+    {   0,
+       58,    1,   59,   59,   58,   58,   58,   58,   58,   60,
+       58,   61,   61,   61,   62,   63,   58,   64,   58,   60,
+       58,   58,   58,   61,   65,   65,   14,   14,   14,   62,
+       63,   58,   58,   58,   58,   58,   58,   58,   26,   14,
+       14,   28,   14,   26,   40,   28,   28,   28,   61,   26,
+       48,   28,   61,   58,   52,   58,   52,    0,   58,   58,
+       58,   58,   58,   58,   58
+    } ;
+
+static yyconst short int yy_nxt[147] =
+    {   0,
+        6,    7,    8,    9,   10,   11,   12,    6,    6,   13,
+       14,    6,    6,   15,   15,   15,   15,   15,   15,   15,
+       17,   17,   22,   26,   39,   29,   29,   50,   23,   18,
+       18,   26,   24,   27,   27,   24,   24,   24,   41,   41,
+       40,   40,   44,   28,   24,   25,   25,   24,   24,   33,
+       38,   34,   35,   36,   37,   25,   21,   42,   42,   43,
+       43,   24,   25,   19,   24,   24,   25,   25,   24,   24,
+       44,   21,   45,   45,   46,   46,   47,   47,   48,   48,
+       49,   49,   46,   46,   47,   47,   50,   19,   51,   51,
+       52,   52,   53,   53,   54,   55,   55,   56,   56,   57,
+
+       57,   56,   56,   24,   24,   16,   16,   16,   16,   20,
+       20,   20,   20,   24,   24,   30,   30,   31,   58,   31,
+       31,   32,   32,   32,   32,    5,   58,   58,   58,   58,
+       58,   58,   58,   58,   58,   58,   58,   58,   58,   58,
+       58,   58,   58,   58,   58,   58
+    } ;
+
+static yyconst short int yy_chk[147] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        3,    4,   11,   14,   65,   14,   14,   53,   11,    3,
+        4,   13,   25,   13,   13,   25,   25,   26,   27,   27,
+       26,   26,   49,   13,   15,   15,   24,   15,   15,   18,
+       23,   18,   18,   18,   18,   28,   20,   28,   28,   29,
+       29,   30,   30,   19,   30,   30,   39,   12,   39,   39,
+       40,   10,   40,   40,   41,   41,   43,   43,   44,   44,
+       45,   45,   46,   46,   47,   47,   48,    7,   48,   48,
+       50,   50,   51,   51,   52,   52,   52,   54,   54,   55,
+
+       55,   56,   56,   57,   57,   59,   59,   59,   59,   60,
+       60,   60,   60,   61,   61,   62,   62,   63,    5,   63,
+       63,   64,   64,   64,   64,   58,   58,   58,   58,   58,
+       58,   58,   58,   58,   58,   58,   58,   58,   58,   58,
+       58,   58,   58,   58,   58,   58
+    } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *yytext;
+#line 1 "scanner.l"
+#define INITIAL 0
+/* $Id: scanner.c,v 1.1 2000-09-12 00:12:52 rjkaes Exp $
+ *
+ * This builds the scanner for the tinyproxy configuration file. This
+ * file needs to stay in sync with grammar.y. If someone knows lex and yacc
+ * better than I do, please update these files.
+ *
+ * Copyright (C) 2000  Robert James Kaes (rjkaes@flarenet.com)
+ *
+ * This program 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 program 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.
+ */
+#line 20 "scanner.l"
+
+#include "tinyproxy.h"
+#include "grammar.h"
+#include <string.h>
+#include <stdio.h>
+
+struct keyword {
+        char *kw_name;
+        int kw_token;
+};
+
+static struct keyword keywords[] = {
+        /* statements */
+        { "port",		 KW_PORT },
+	{ "logfile",		 KW_LOGFILE },
+	{ "syslog",		 KW_SYSLOG },
+	{ "maxclients",		 KW_MAXCLIENTS },
+	{ "maxspareservers",	 KW_MAXSPARESERVERS },
+	{ "minspareservers",	 KW_MINSPARESERVERS },
+	{ "startservers",	 KW_STARTSERVERS },
+	{ "maxrequestsperchild", KW_MAXREQUESTSPERCHILD },
+	{ "pidfile",		 KW_PIDFILE },
+	{ "timeout",		 KW_TIMEOUT },
+	{ "listen",		 KW_LISTEN },
+	{ "user",		 KW_USER },
+	{ "group",		 KW_GROUP },
+	{ "anonymous",		 KW_ANONYMOUS },
+	{ "filter",		 KW_FILTER },
+	{ "xtinyproxy",		 KW_XTINYPROXY },
+	{ "tunnel",		 KW_TUNNEL },
+	{ "allow",		 KW_ALLOW },
+        { "deny",                KW_DENY },
+
+	/* on/off switches */
+	{ "yes",		 KW_YES },
+	{ "on",			 KW_YES },
+	{ "no",			 KW_NO },
+	{ "off",		 KW_NO }
+	
+}; 
+
+#define YY_NO_UNPUT 1
+
+#define MAX_REGEXP_LEN	1024
+
+unsigned int yylineno = 1;
+char tiny_buf[MAX_REGEXP_LEN];
+char *tiny_str;
+
+static int check_reserved_words(char *token);
+static void append_string(int length, char *str);
+static void append_char(char c);
+#define string 1
+
+#line 487 "lex.yy.c"
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap YY_PROTO(( void ));
+#else
+extern int yywrap YY_PROTO(( void ));
+#endif
+#endif
+
+#ifndef YY_NO_UNPUT
+static void yyunput YY_PROTO(( int c, char *buf_ptr ));
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen YY_PROTO(( yyconst char * ));
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+static int yyinput YY_PROTO(( void ));
+#else
+static int input YY_PROTO(( void ));
+#endif
+#endif
+
+#if YY_STACK_USED
+static int yy_start_stack_ptr = 0;
+static int yy_start_stack_depth = 0;
+static int *yy_start_stack = 0;
+#ifndef YY_NO_PUSH_STATE
+static void yy_push_state YY_PROTO(( int new_state ));
+#endif
+#ifndef YY_NO_POP_STATE
+static void yy_pop_state YY_PROTO(( void ));
+#endif
+#ifndef YY_NO_TOP_STATE
+static int yy_top_state YY_PROTO(( void ));
+#endif
+
+#else
+#define YY_NO_PUSH_STATE 1
+#define YY_NO_POP_STATE 1
+#define YY_NO_TOP_STATE 1
+#endif
+
+#ifdef YY_MALLOC_DECL
+YY_MALLOC_DECL
+#else
+#if __STDC__
+#ifndef __cplusplus
+#include <stdlib.h>
+#endif
+#else
+/* Just try to get by without declaring the routines.  This will fail
+ * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
+ * or sizeof(void*) != sizeof(int).
+ */
+#endif
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+	if ( yy_current_buffer->yy_is_interactive ) \
+		{ \
+		int c = '*', n; \
+		for ( n = 0; n < max_size && \
+			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+			buf[n] = (char) c; \
+		if ( c == '\n' ) \
+			buf[n++] = (char) c; \
+		if ( c == EOF && ferror( yyin ) ) \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+		result = n; \
+		} \
+	else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
+		  && ferror( yyin ) ) \
+		YY_FATAL_ERROR( "input in flex scanner failed" );
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL int yylex YY_PROTO(( void ))
+#endif
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+YY_DECL
+	{
+	register yy_state_type yy_current_state;
+	register char *yy_cp, *yy_bp;
+	register int yy_act;
+
+#line 84 "scanner.l"
+
+
+#line 641 "lex.yy.c"
+
+	if ( yy_init )
+		{
+		yy_init = 0;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! yy_start )
+			yy_start = 1;	/* first start state */
+
+		if ( ! yyin )
+			yyin = stdin;
+
+		if ( ! yyout )
+			yyout = stdout;
+
+		if ( ! yy_current_buffer )
+			yy_current_buffer =
+				yy_create_buffer( yyin, YY_BUF_SIZE );
+
+		yy_load_buffer_state();
+		}
+
+	while ( 1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = yy_c_buf_p;
+
+		/* Support of yytext. */
+		*yy_cp = yy_hold_char;
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = yy_start;
+yy_match:
+		do
+			{
+			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+			if ( yy_accept[yy_current_state] )
+				{
+				yy_last_accepting_state = yy_current_state;
+				yy_last_accepting_cpos = yy_cp;
+				}
+			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+				{
+				yy_current_state = (int) yy_def[yy_current_state];
+				if ( yy_current_state >= 59 )
+					yy_c = yy_meta[(unsigned int) yy_c];
+				}
+			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+			++yy_cp;
+			}
+		while ( yy_base[yy_current_state] != 126 );
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+		if ( yy_act == 0 )
+			{ /* have to back up */
+			yy_cp = yy_last_accepting_cpos;
+			yy_current_state = yy_last_accepting_state;
+			yy_act = yy_accept[yy_current_state];
+			}
+
+		YY_DO_BEFORE_ACTION;
+
+
+do_action:	/* This label is used only to access EOF actions. */
+
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+			case 0: /* must back up */
+			/* undo the effects of YY_DO_BEFORE_ACTION */
+			*yy_cp = yy_hold_char;
+			yy_cp = yy_last_accepting_cpos;
+			yy_current_state = yy_last_accepting_state;
+			goto yy_find_action;
+
+case 1:
+*yy_cp = yy_hold_char; /* undo effects of setting up yytext */
+yy_c_buf_p = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up yytext again */
+YY_RULE_SETUP
+#line 86 "scanner.l"
+;
+	YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 87 "scanner.l"
+{ yylineno++; return '\n'; }
+	YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 88 "scanner.l"
+;
+	YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 89 "scanner.l"
+{ yylval.num = strtol(yytext, NULL, 16); return NUMBER; }
+	YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 90 "scanner.l"
+{ yylval.num = strtol(yytext, NULL, 8); return NUMBER; }
+	YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 91 "scanner.l"
+{ yylval.num = atoi(yytext); return NUMBER; }
+	YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 92 "scanner.l"
+{ return check_reserved_words(yytext); }
+	YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 93 "scanner.l"
+{ return ':'; }
+	YY_BREAK
+case 9:
+*yy_cp = yy_hold_char; /* undo effects of setting up yytext */
+yy_c_buf_p = yy_cp = yy_bp + 1;
+YY_DO_BEFORE_ACTION; /* set up yytext again */
+YY_RULE_SETUP
+#line 94 "scanner.l"
+{ return '/'; }
+	YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 95 "scanner.l"
+{
+			        tiny_str = tiny_buf;
+				BEGIN(string);
+			}
+	YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 99 "scanner.l"
+{ append_char(7); }
+	YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 100 "scanner.l"
+{ append_char(10); }
+	YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 101 "scanner.l"
+{ append_char(13); }
+	YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 102 "scanner.l"
+{ append_char(9); }
+	YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 103 "scanner.l"
+{ append_char(11); }
+	YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 104 "scanner.l"
+{ append_string(1, yytext + 1); }
+	YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 105 "scanner.l"
+{
+				BEGIN(INITIAL);
+				yylval.cptr = strdup(tiny_buf);
+				return STRING;
+			}
+	YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 110 "scanner.l"
+{ append_string(strlen(yytext), yytext); }
+	YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 113 "scanner.l"
+{ yylval.cptr = strdup(yytext); return NUMERIC_ADDRESS; }
+	YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 114 "scanner.l"
+{ yylval.cptr = strdup(yytext); return NETMASK_ADDRESS; }
+	YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 115 "scanner.l"
+{ yylval.cptr = strdup(yytext); return STRING_ADDRESS; }
+	YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 118 "scanner.l"
+ECHO;
+	YY_BREAK
+#line 847 "lex.yy.c"
+case YY_STATE_EOF(INITIAL):
+case YY_STATE_EOF(string):
+	yyterminate();
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = yy_hold_char;
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed yyin at a new source and called
+			 * yylex().  If so, then we have to assure
+			 * consistency between yy_current_buffer and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			yy_n_chars = yy_current_buffer->yy_n_chars;
+			yy_current_buffer->yy_input_file = yyin;
+			yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state();
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = yytext_ptr + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++yy_c_buf_p;
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = yy_c_buf_p;
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer() )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				yy_did_buffer_switch_on_eof = 0;
+
+				if ( yywrap() )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * yytext, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! yy_did_buffer_switch_on_eof )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				yy_c_buf_p =
+					yytext_ptr + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state();
+
+				yy_cp = yy_c_buf_p;
+				yy_bp = yytext_ptr + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				yy_c_buf_p =
+				&yy_current_buffer->yy_ch_buf[yy_n_chars];
+
+				yy_current_state = yy_get_previous_state();
+
+				yy_cp = yy_c_buf_p;
+				yy_bp = yytext_ptr + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+	} /* end of yylex */
+
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+
+static int yy_get_next_buffer()
+	{
+	register char *dest = yy_current_buffer->yy_ch_buf;
+	register char *source = yytext_ptr;
+	register int number_to_move, i;
+	int ret_val;
+
+	if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( yy_current_buffer->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		yy_current_buffer->yy_n_chars = yy_n_chars = 0;
+
+	else
+		{
+		int num_to_read =
+			yy_current_buffer->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+#ifdef YY_USES_REJECT
+			YY_FATAL_ERROR(
+"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
+#else
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = yy_current_buffer;
+
+			int yy_c_buf_p_offset =
+				(int) (yy_c_buf_p - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				int new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					yy_flex_realloc( (void *) b->yy_ch_buf,
+							 b->yy_buf_size + 2 );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = 0;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = yy_current_buffer->yy_buf_size -
+						number_to_move - 1;
+#endif
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
+			yy_n_chars, num_to_read );
+
+		yy_current_buffer->yy_n_chars = yy_n_chars;
+		}
+
+	if ( yy_n_chars == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			yyrestart( yyin );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			yy_current_buffer->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	yy_n_chars += number_to_move;
+	yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
+	yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+
+	yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
+
+	return ret_val;
+	}
+
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+static yy_state_type yy_get_previous_state()
+	{
+	register yy_state_type yy_current_state;
+	register char *yy_cp;
+
+	yy_current_state = yy_start;
+
+	for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
+		{
+		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		if ( yy_accept[yy_current_state] )
+			{
+			yy_last_accepting_state = yy_current_state;
+			yy_last_accepting_cpos = yy_cp;
+			}
+		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+			{
+			yy_current_state = (int) yy_def[yy_current_state];
+			if ( yy_current_state >= 59 )
+				yy_c = yy_meta[(unsigned int) yy_c];
+			}
+		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+		}
+
+	return yy_current_state;
+	}
+
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+
+#ifdef YY_USE_PROTOS
+static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
+#else
+static yy_state_type yy_try_NUL_trans( yy_current_state )
+yy_state_type yy_current_state;
+#endif
+	{
+	register int yy_is_jam;
+	register char *yy_cp = yy_c_buf_p;
+
+	register YY_CHAR yy_c = 1;
+	if ( yy_accept[yy_current_state] )
+		{
+		yy_last_accepting_state = yy_current_state;
+		yy_last_accepting_cpos = yy_cp;
+		}
+	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+		{
+		yy_current_state = (int) yy_def[yy_current_state];
+		if ( yy_current_state >= 59 )
+			yy_c = yy_meta[(unsigned int) yy_c];
+		}
+	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+	yy_is_jam = (yy_current_state == 58);
+
+	return yy_is_jam ? 0 : yy_current_state;
+	}
+
+
+#ifndef YY_NO_UNPUT
+#ifdef YY_USE_PROTOS
+static void yyunput( int c, register char *yy_bp )
+#else
+static void yyunput( c, yy_bp )
+int c;
+register char *yy_bp;
+#endif
+	{
+	register char *yy_cp = yy_c_buf_p;
+
+	/* undo effects of setting up yytext */
+	*yy_cp = yy_hold_char;
+
+	if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+		{ /* need to shift things up to make room */
+		/* +2 for EOB chars. */
+		register int number_to_move = yy_n_chars + 2;
+		register char *dest = &yy_current_buffer->yy_ch_buf[
+					yy_current_buffer->yy_buf_size + 2];
+		register char *source =
+				&yy_current_buffer->yy_ch_buf[number_to_move];
+
+		while ( source > yy_current_buffer->yy_ch_buf )
+			*--dest = *--source;
+
+		yy_cp += (int) (dest - source);
+		yy_bp += (int) (dest - source);
+		yy_current_buffer->yy_n_chars =
+			yy_n_chars = yy_current_buffer->yy_buf_size;
+
+		if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+			YY_FATAL_ERROR( "flex scanner push-back overflow" );
+		}
+
+	*--yy_cp = (char) c;
+
+
+	yytext_ptr = yy_bp;
+	yy_hold_char = *yy_cp;
+	yy_c_buf_p = yy_cp;
+	}
+#endif	/* ifndef YY_NO_UNPUT */
+
+
+#ifdef __cplusplus
+static int yyinput()
+#else
+static int input()
+#endif
+	{
+	int c;
+
+	*yy_c_buf_p = yy_hold_char;
+
+	if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
+			/* This was really a NUL. */
+			*yy_c_buf_p = '\0';
+
+		else
+			{ /* need more input */
+			int offset = yy_c_buf_p - yytext_ptr;
+			++yy_c_buf_p;
+
+			switch ( yy_get_next_buffer() )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					yyrestart( yyin );
+
+					/* fall through */
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( yywrap() )
+						return EOF;
+
+					if ( ! yy_did_buffer_switch_on_eof )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					yy_c_buf_p = yytext_ptr + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) yy_c_buf_p;	/* cast for 8-bit char's */
+	*yy_c_buf_p = '\0';	/* preserve yytext */
+	yy_hold_char = *++yy_c_buf_p;
+
+
+	return c;
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yyrestart( FILE *input_file )
+#else
+void yyrestart( input_file )
+FILE *input_file;
+#endif
+	{
+	if ( ! yy_current_buffer )
+		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
+
+	yy_init_buffer( yy_current_buffer, input_file );
+	yy_load_buffer_state();
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
+#else
+void yy_switch_to_buffer( new_buffer )
+YY_BUFFER_STATE new_buffer;
+#endif
+	{
+	if ( yy_current_buffer == new_buffer )
+		return;
+
+	if ( yy_current_buffer )
+		{
+		/* Flush out information for old buffer. */
+		*yy_c_buf_p = yy_hold_char;
+		yy_current_buffer->yy_buf_pos = yy_c_buf_p;
+		yy_current_buffer->yy_n_chars = yy_n_chars;
+		}
+
+	yy_current_buffer = new_buffer;
+	yy_load_buffer_state();
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (yywrap()) processing, but the only time this flag
+	 * is looked at is after yywrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	yy_did_buffer_switch_on_eof = 1;
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yy_load_buffer_state( void )
+#else
+void yy_load_buffer_state()
+#endif
+	{
+	yy_n_chars = yy_current_buffer->yy_n_chars;
+	yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
+	yyin = yy_current_buffer->yy_input_file;
+	yy_hold_char = *yy_c_buf_p;
+	}
+
+
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
+#else
+YY_BUFFER_STATE yy_create_buffer( file, size )
+FILE *file;
+int size;
+#endif
+	{
+	YY_BUFFER_STATE b;
+
+	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	yy_init_buffer( b, file );
+
+	return b;
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yy_delete_buffer( YY_BUFFER_STATE b )
+#else
+void yy_delete_buffer( b )
+YY_BUFFER_STATE b;
+#endif
+	{
+	if ( ! b )
+		return;
+
+	if ( b == yy_current_buffer )
+		yy_current_buffer = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		yy_flex_free( (void *) b->yy_ch_buf );
+
+	yy_flex_free( (void *) b );
+	}
+
+
+#ifndef YY_ALWAYS_INTERACTIVE
+#ifndef YY_NEVER_INTERACTIVE
+extern int isatty YY_PROTO(( int ));
+#endif
+#endif
+
+#ifdef YY_USE_PROTOS
+void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
+#else
+void yy_init_buffer( b, file )
+YY_BUFFER_STATE b;
+FILE *file;
+#endif
+
+
+	{
+	yy_flush_buffer( b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+#if YY_ALWAYS_INTERACTIVE
+	b->yy_is_interactive = 1;
+#else
+#if YY_NEVER_INTERACTIVE
+	b->yy_is_interactive = 0;
+#else
+	b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+#endif
+#endif
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yy_flush_buffer( YY_BUFFER_STATE b )
+#else
+void yy_flush_buffer( b )
+YY_BUFFER_STATE b;
+#endif
+
+	{
+	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == yy_current_buffer )
+		yy_load_buffer_state();
+	}
+
+
+#ifndef YY_NO_SCAN_BUFFER
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
+#else
+YY_BUFFER_STATE yy_scan_buffer( base, size )
+char *base;
+yy_size_t size;
+#endif
+	{
+	YY_BUFFER_STATE b;
+
+	if ( size < 2 ||
+	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
+	     base[size-1] != YY_END_OF_BUFFER_CHAR )
+		/* They forgot to leave room for the EOB's. */
+		return 0;
+
+	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
+	b->yy_buf_pos = b->yy_ch_buf = base;
+	b->yy_is_our_buffer = 0;
+	b->yy_input_file = 0;
+	b->yy_n_chars = b->yy_buf_size;
+	b->yy_is_interactive = 0;
+	b->yy_at_bol = 1;
+	b->yy_fill_buffer = 0;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	yy_switch_to_buffer( b );
+
+	return b;
+	}
+#endif
+
+
+#ifndef YY_NO_SCAN_STRING
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
+#else
+YY_BUFFER_STATE yy_scan_string( yy_str )
+yyconst char *yy_str;
+#endif
+	{
+	int len;
+	for ( len = 0; yy_str[len]; ++len )
+		;
+
+	return yy_scan_bytes( yy_str, len );
+	}
+#endif
+
+
+#ifndef YY_NO_SCAN_BYTES
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
+#else
+YY_BUFFER_STATE yy_scan_bytes( bytes, len )
+yyconst char *bytes;
+int len;
+#endif
+	{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	int i;
+
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = len + 2;
+	buf = (char *) yy_flex_alloc( n );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+	for ( i = 0; i < len; ++i )
+		buf[i] = bytes[i];
+
+	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+
+	b = yy_scan_buffer( buf, n );
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+
+	/* It's okay to grow etc. this buffer, and we should throw it
+	 * away when we're done.
+	 */
+	b->yy_is_our_buffer = 1;
+
+	return b;
+	}
+#endif
+
+
+#ifndef YY_NO_PUSH_STATE
+#ifdef YY_USE_PROTOS
+static void yy_push_state( int new_state )
+#else
+static void yy_push_state( new_state )
+int new_state;
+#endif
+	{
+	if ( yy_start_stack_ptr >= yy_start_stack_depth )
+		{
+		yy_size_t new_size;
+
+		yy_start_stack_depth += YY_START_STACK_INCR;
+		new_size = yy_start_stack_depth * sizeof( int );
+
+		if ( ! yy_start_stack )
+			yy_start_stack = (int *) yy_flex_alloc( new_size );
+
+		else
+			yy_start_stack = (int *) yy_flex_realloc(
+					(void *) yy_start_stack, new_size );
+
+		if ( ! yy_start_stack )
+			YY_FATAL_ERROR(
+			"out of memory expanding start-condition stack" );
+		}
+
+	yy_start_stack[yy_start_stack_ptr++] = YY_START;
+
+	BEGIN(new_state);
+	}
+#endif
+
+
+#ifndef YY_NO_POP_STATE
+static void yy_pop_state()
+	{
+	if ( --yy_start_stack_ptr < 0 )
+		YY_FATAL_ERROR( "start-condition stack underflow" );
+
+	BEGIN(yy_start_stack[yy_start_stack_ptr]);
+	}
+#endif
+
+
+#ifndef YY_NO_TOP_STATE
+static int yy_top_state()
+	{
+	return yy_start_stack[yy_start_stack_ptr - 1];
+	}
+#endif
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+#ifdef YY_USE_PROTOS
+static void yy_fatal_error( yyconst char msg[] )
+#else
+static void yy_fatal_error( msg )
+char msg[];
+#endif
+	{
+	(void) fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+	}
+
+
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+		yytext[yyleng] = yy_hold_char; \
+		yy_c_buf_p = yytext + n; \
+		yy_hold_char = *yy_c_buf_p; \
+		*yy_c_buf_p = '\0'; \
+		yyleng = n; \
+		} \
+	while ( 0 )
+
+
+/* Internal utility routines. */
+
+#ifndef yytext_ptr
+#ifdef YY_USE_PROTOS
+static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
+#else
+static void yy_flex_strncpy( s1, s2, n )
+char *s1;
+yyconst char *s2;
+int n;
+#endif
+	{
+	register int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+	}
+#endif
+
+#ifdef YY_NEED_STRLEN
+#ifdef YY_USE_PROTOS
+static int yy_flex_strlen( yyconst char *s )
+#else
+static int yy_flex_strlen( s )
+yyconst char *s;
+#endif
+	{
+	register int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+	}
+#endif
+
+
+#ifdef YY_USE_PROTOS
+static void *yy_flex_alloc( yy_size_t size )
+#else
+static void *yy_flex_alloc( size )
+yy_size_t size;
+#endif
+	{
+	return (void *) malloc( size );
+	}
+
+#ifdef YY_USE_PROTOS
+static void *yy_flex_realloc( void *ptr, yy_size_t size )
+#else
+static void *yy_flex_realloc( ptr, size )
+void *ptr;
+yy_size_t size;
+#endif
+	{
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return (void *) realloc( (char *) ptr, size );
+	}
+
+#ifdef YY_USE_PROTOS
+static void yy_flex_free( void *ptr )
+#else
+static void yy_flex_free( ptr )
+void *ptr;
+#endif
+	{
+	free( ptr );
+	}
+
+#if YY_MAIN
+int main()
+	{
+	yylex();
+	return 0;
+	}
+#endif
+#line 118 "scanner.l"
+
+
+int check_reserved_words(char *token)
+{
+	int i;
+
+	for (i = 0; i < (sizeof(keywords) / sizeof(struct keyword)); i++) {
+	        if (strcasecmp(keywords[i].kw_name, token) == 0) {
+		        return keywords[i].kw_token;
+		}
+	}
+	yylval.cptr = strdup(token);
+	return IDENTIFIER;
+}
+
+static void append_string(int length, char *s)
+{
+	int to_copy = min(MAX_REGEXP_LEN - (tiny_str - tiny_buf) - 1, length);
+
+	memcpy(tiny_str, s, to_copy);
+	tiny_str += to_copy;
+	*tiny_str = 0;
+}
+
+static void append_char(char c)
+{
+	*tiny_str = c;
+	tiny_str++;
+	*tiny_str = 0;
+}
\ No newline at end of file