kconfig: handle globbed files backwards

They're essentially collected on a stack before they're
parsed. So we push them backwards, then parse them in
the correct order.

Change-Id: Ibf29559389cd19f260d67bae8e0b5ef9f4f58d91
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10169
Tested-by: build bot (Jenkins)
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>

2 files changed, 925 insertions, 675 deletions

diff --git a/util/kconfig/zconf.l b/util/kconfig/zconf.l
index e20d9c238e..b6bed02131 100644
--- a/util/kconfig/zconf.l
+++ b/util/kconfig/zconf.l
@@ -351,9 +351,14 @@ void zconf_nextfiles(const char *wildcard)
 		return;
 	}
 
-	w = g.gl_pathv;
-	while (*w)
-		zconf_nextfile(*w++);
+	/* working through files backwards, since
+	 * we're first pushing them on a stack
+	 * before actually handling them.
+	 */
+	for (i = g.gl_pathc; i > 0; i--) {
+		w = &g.gl_pathv[i - 1];
+		zconf_nextfile(*w);
+	}
 
 	globfree(&g);
 }
diff --git a/util/kconfig/zconf.lex.c_shipped b/util/kconfig/zconf.lex.c_shipped
index bd6328f27d..b8621df0ce 100644
--- a/util/kconfig/zconf.lex.c_shipped
+++ b/util/kconfig/zconf.lex.c_shipped
@@ -1,8 +1,12 @@
+
+#line 3 "/home/patrick/Source/coreboot/util/kconfig/zconf.lex.c"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
 #define yy_create_buffer zconf_create_buffer
 #define yy_delete_buffer zconf_delete_buffer
-#define yy_scan_buffer zconf_scan_buffer
-#define yy_scan_string zconf_scan_string
-#define yy_scan_bytes zconf_scan_bytes
 #define yy_flex_debug zconf_flex_debug
 #define yy_init_buffer zconf_init_buffer
 #define yy_flush_buffer zconf_flush_buffer
@@ -11,77 +15,118 @@
 #define yyin zconfin
 #define yyleng zconfleng
 #define yylex zconflex
+#define yylineno zconflineno
 #define yyout zconfout
 #define yyrestart zconfrestart
 #define yytext zconftext
-
-/*	$OpenBSD: flex.skl,v 1.12 2013/11/04 17:03:32 millert Exp $	*/
-
-/* A lexical scanner generated by flex */
-
-/* Scanner skeleton version:
- * $Header: /cvs/src/usr.bin/lex/flex.skl,v 1.12 2013/11/04 17:03:32 millert Exp $
- */
+#define yywrap zconfwrap
+#define yyalloc zconfalloc
+#define yyrealloc zconfrealloc
+#define yyfree zconffree
 
 #define FLEX_SCANNER
 #define YY_FLEX_MAJOR_VERSION 2
 #define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 39
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
 
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
 #include <stdio.h>
+#include <string.h>
 #include <errno.h>
+#include <stdlib.h>
 
+/* end standard C headers. */
 
-/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
-#ifdef c_plusplus
-#ifndef __cplusplus
-#define __cplusplus
-#endif
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
 #endif
 
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
 
-#ifdef __cplusplus
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
 
-#include <stdlib.h>
-#include <unistd.h>
+#endif /* ! C99 */
+
+#endif /* ! FLEXINT_H */
 
-/* Use prototypes in function declarations. */
-#define YY_USE_PROTOS
+#ifdef __cplusplus
 
 /* The "const" storage-class-modifier is valid. */
 #define YY_USE_CONST
 
 #else	/* ! __cplusplus */
 
-#ifdef __STDC__
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
 
-#define YY_USE_PROTOS
 #define YY_USE_CONST
 
-#endif	/* __STDC__ */
+#endif	/* defined (__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
 
@@ -96,71 +141,79 @@
  * but we do it the disgusting crufty way forced on us by the ()-less
  * definition of BEGIN.
  */
-#define BEGIN yy_start = 1 + 2 *
+#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 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_NEW_FILE zconfrestart(zconfin  )
 
 #define YY_END_OF_BUFFER_CHAR 0
 
 /* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
 #define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#endif
 
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
 typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
 
-extern int yyleng;
-extern FILE *yyin, *yyout;
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+extern yy_size_t zconfleng;
+
+extern FILE *zconfin, *zconfout;
 
 #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 YY_LESS_LINENO(n)
+    #define YY_LINENO_REWIND_TO(ptr)
+    
+/* 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; \
+		/* Undo effects of setting up zconftext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*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 */ \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up zconftext 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;
-
+#define unput(c) yyunput( c, (yytext_ptr)  )
 
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
 struct yy_buffer_state
 	{
 	FILE *yy_input_file;
@@ -176,7 +229,7 @@ struct yy_buffer_state
 	/* Number of characters read into yy_ch_buf, not including EOB
 	 * characters.
 	 */
-	int yy_n_chars;
+	yy_size_t 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
@@ -197,12 +250,16 @@ struct yy_buffer_state
 	 */
 	int yy_at_bol;
 
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+    
 	/* 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
@@ -212,84 +269,114 @@ struct yy_buffer_state
 	 * 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.
+	 * (via zconfrestart()), so that the user can continue scanning by
+	 * just pointing zconfin at a new input file.
 	 */
 #define YY_BUFFER_EOF_PENDING 2
+
 	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
 
-static YY_BUFFER_STATE yy_current_buffer = 0;
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
 
 /* 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".
+ *
+ * Returns the top of the stack, or NULL.
  */
-#define YY_CURRENT_BUFFER yy_current_buffer
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
 
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
 
-/* yy_hold_char holds the character lost when yytext is formed. */
+/* yy_hold_char holds the character lost when zconftext is formed. */
 static char yy_hold_char;
-
-static int yy_n_chars;		/* number of characters read into yy_ch_buf */
-
-
-int yyleng;
+static yy_size_t yy_n_chars;		/* number of characters read into yy_ch_buf */
+yy_size_t zconfleng;
 
 /* 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_init = 0;		/* 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 ...
+/* Flag which is used to allow zconfwrap()'s to do buffer switches
+ * instead of setting up a fresh zconfin.  A bit of a hack ...
  */
 static int yy_did_buffer_switch_on_eof;
 
-void yyrestart YY_PROTO(( FILE *input_file ));
+void zconfrestart (FILE *input_file  );
+void zconf_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE zconf_create_buffer (FILE *file,int size  );
+void zconf_delete_buffer (YY_BUFFER_STATE b  );
+void zconf_flush_buffer (YY_BUFFER_STATE b  );
+void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer  );
+void zconfpop_buffer_state (void );
+
+static void zconfensure_buffer_stack (void );
+static void zconf_load_buffer_state (void );
+static void zconf_init_buffer (YY_BUFFER_STATE b,FILE *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 )
+#define YY_FLUSH_BUFFER zconf_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 ));
+YY_BUFFER_STATE zconf_scan_buffer (char *base,yy_size_t size  );
+YY_BUFFER_STATE zconf_scan_string (yyconst char *yy_str  );
+YY_BUFFER_STATE zconf_scan_bytes (yyconst char *bytes,yy_size_t 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 * ));
+void *zconfalloc (yy_size_t  );
+void *zconfrealloc (void *,yy_size_t  );
+void zconffree (void *  );
 
-#define yy_new_buffer yy_create_buffer
+#define yy_new_buffer zconf_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; \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        zconfensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            zconf_create_buffer(zconfin,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->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; \
+	if ( ! YY_CURRENT_BUFFER ){\
+        zconfensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            zconf_create_buffer(zconfin,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
 	}
 
-#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
 
+/* Begin user sect3 */
 
-#define yywrap() 1
+#define zconfwrap() 1
 #define YY_SKIP_YYWRAP
+
 typedef unsigned char YY_CHAR;
-FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
+
+FILE *zconfin = (FILE *) 0, *zconfout = (FILE *) 0;
+
 typedef int yy_state_type;
-extern char *yytext;
-#define yytext_ptr yytext
-static yyconst short yy_nxt[][17] =
+
+extern int zconflineno;
+
+int zconflineno = 1;
+
+extern char *zconftext;
+#define yytext_ptr zconftext
+
+static yyconst flex_int16_t yy_nxt[][17] =
     {
     {
         0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
@@ -610,25 +697,31 @@ static yyconst short yy_nxt[][17] =
 
     } ;
 
-
-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[] ));
+static yy_state_type yy_get_previous_state (void );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
+static int yy_get_next_buffer (void );
+static void yy_fatal_error (yyconst char msg[]  );
 
 /* Done after the current pattern has been matched and before the
- * corresponding action - sets up yytext.
+ * corresponding action - sets up zconftext.
  */
 #define YY_DO_BEFORE_ACTION \
-	yytext_ptr = yy_bp; \
-	yyleng = (int) (yy_cp - yy_bp); \
-	yy_hold_char = *yy_cp; \
+	(yytext_ptr) = yy_bp; \
+	zconfleng = (size_t) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
 	*yy_cp = '\0'; \
-	yy_c_buf_p = yy_cp;
+	(yy_c_buf_p) = yy_cp;
 
 #define YY_NUM_RULES 33
 #define YY_END_OF_BUFFER 34
-static yyconst short int yy_accept[61] =
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static yyconst flex_int16_t yy_accept[61] =
     {   0,
         0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        34,    5,    4,    2,    3,    7,    8,    6,   32,   29,
@@ -638,7 +731,7 @@ static yyconst short int yy_accept[61] =
        26,   25,   15,   20,    9,   19,   19,   21,   10,   18
     } ;
 
-static yyconst int yy_ec[256] =
+static yyconst flex_int32_t yy_ec[256] =
     {   0,
         1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
@@ -670,6 +763,9 @@ static yyconst int yy_ec[256] =
         1,    1,    1,    1,    1
     } ;
 
+extern int zconf_flex_debug;
+int zconf_flex_debug = 0;
+
 /* The intent behind this definition is that it'll catch
  * any uses of REJECT which flex missed.
  */
@@ -677,14 +773,8 @@ static yyconst int yy_ec[256] =
 #define yymore() yymore_used_but_not_detected
 #define YY_MORE_ADJ 0
 #define YY_RESTORE_YY_MORE_OFFSET
-char *yytext;
-#define INITIAL 0
-#define YY_NEVER_INTERACTIVE 1
+char *zconftext;
 #define YY_NO_INPUT 1
-#define COMMAND 1
-#define HELP 2
-#define STRING 3
-#define PARAM 4
 
 /*
  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
@@ -751,85 +841,103 @@ static void alloc_string(const char *str, int size)
 	text[size] = 0;
 }
 
+#define INITIAL 0
+#define COMMAND 1
+#define HELP 2
+#define STRING 3
+#define PARAM 4
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+static int yy_init_globals (void );
+
+/* Accessor methods to globals.
+   These are made visible to non-reentrant scanners for convenience. */
+
+int zconflex_destroy (void );
+
+int zconfget_debug (void );
+
+void zconfset_debug (int debug_flag  );
+
+YY_EXTRA_TYPE zconfget_extra (void );
+
+void zconfset_extra (YY_EXTRA_TYPE user_defined  );
+
+FILE *zconfget_in (void );
+
+void zconfset_in  (FILE * in_str  );
+
+FILE *zconfget_out (void );
+
+void zconfset_out  (FILE * out_str  );
+
+yy_size_t zconfget_leng (void );
+
+char *zconfget_text (void );
+
+int zconfget_lineno (void );
+
+void zconfset_lineno (int line_number  );
+
 /* 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 ));
+extern "C" int zconfwrap (void );
 #else
-extern int yywrap YY_PROTO(( void ));
-#endif
+extern int zconfwrap (void );
 #endif
-
-#ifndef YY_NO_UNPUT
-static void yyunput YY_PROTO(( int c, char *buf_ptr ));
 #endif
 
+    static void yyunput (int c,char *buf_ptr  );
+    
 #ifndef yytext_ptr
-static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
+static void yy_flex_strncpy (char *,yyconst char *,int );
 #endif
 
 #ifdef YY_NEED_STRLEN
-static int yy_flex_strlen YY_PROTO(( yyconst char * ));
+static int yy_flex_strlen (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 defined(YY_STACK_USED) && 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
 
+#ifdef __cplusplus
+static int yyinput (void );
 #else
-#define YY_NO_PUSH_STATE 1
-#define YY_NO_POP_STATE 1
-#define YY_NO_TOP_STATE 1
+static int input (void );
 #endif
 
-#ifdef YY_MALLOC_DECL
-YY_MALLOC_DECL
-#else
-#ifdef __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
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
 #define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
 #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 )
+#define ECHO do { if (fwrite( zconftext, zconfleng, 1, zconfout )) {} } while (0)
 #endif
 
 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
@@ -837,8 +945,19 @@ YY_MALLOC_DECL
  */
 #ifndef YY_INPUT
 #define YY_INPUT(buf,result,max_size) \
-	if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
-		YY_FATAL_ERROR( "input in flex scanner failed" );
+	errno=0; \
+	while ( (result = read( fileno(zconfin), (char *) buf, max_size )) < 0 ) \
+	{ \
+		if( errno != EINTR) \
+		{ \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+			break; \
+		} \
+		errno=0; \
+		clearerr(zconfin); \
+	}\
+\
+
 #endif
 
 /* No semi-colon after return; correct usage is to write "yyterminate();" -
@@ -859,14 +978,20 @@ YY_MALLOC_DECL
 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
 #endif
 
+/* end tables serialization structures and prototypes */
+
 /* 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
+#define YY_DECL_IS_OURS 1
+
+extern int zconflex (void);
+
+#define YY_DECL int zconflex (void)
+#endif /* !YY_DECL */
 
-/* Code executed at the beginning of each rule, after yytext and yyleng
+/* Code executed at the beginning of each rule, after zconftext and zconfleng
  * have been set up.
  */
 #ifndef YY_USER_ACTION
@@ -881,56 +1006,60 @@ YY_MALLOC_DECL
 #define YY_RULE_SETUP \
 	YY_USER_ACTION
 
+/** The main scanner function which does all the work.
+ */
 YY_DECL
-	{
+{
 	register yy_state_type yy_current_state;
 	register char *yy_cp, *yy_bp;
 	register int yy_act;
-
-
-	int str = 0;
-	int ts, i;
-
-
-	if ( yy_init )
+    
+	if ( !(yy_init) )
 		{
-		yy_init = 0;
+		(yy_init) = 1;
 
 #ifdef YY_USER_INIT
 		YY_USER_INIT;
 #endif
 
-		if ( ! yy_start )
-			yy_start = 1;	/* first start state */
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
 
-		if ( ! yyin )
-			yyin = stdin;
+		if ( ! zconfin )
+			zconfin = stdin;
 
-		if ( ! yyout )
-			yyout = stdout;
+		if ( ! zconfout )
+			zconfout = stdout;
 
-		if ( ! yy_current_buffer )
-			yy_current_buffer =
-				yy_create_buffer( yyin, YY_BUF_SIZE );
+		if ( ! YY_CURRENT_BUFFER ) {
+			zconfensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				zconf_create_buffer(zconfin,YY_BUF_SIZE );
+		}
 
-		yy_load_buffer_state();
+		zconf_load_buffer_state( );
 		}
 
+	{
+
+	int str = 0;
+	int ts, i;
+
 	while ( 1 )		/* loops until end-of-file is reached */
 		{
-		yy_cp = yy_c_buf_p;
+		yy_cp = (yy_c_buf_p);
 
-		/* Support of yytext. */
-		*yy_cp = yy_hold_char;
+		/* Support of zconftext. */
+		*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_current_state = (yy_start);
 yy_match:
-		while ( (yy_current_state = yy_nxt[yy_current_state][yy_ec[YY_SC_TO_UI(*yy_cp)]]) > 0 )
+		while ( (yy_current_state = yy_nxt[yy_current_state][ yy_ec[YY_SC_TO_UI(*yy_cp)]  ]) > 0 )
 			++yy_cp;
 
 		yy_current_state = -yy_current_state;
@@ -940,14 +1069,14 @@ yy_find_action:
 
 		YY_DO_BEFORE_ACTION;
 
-
 do_action:	/* This label is used only to access EOF actions. */
 
-
 		switch ( yy_act )
 	{ /* beginning of action switch */
 case 1:
+/* rule 1 can match eol */
 case 2:
+/* rule 2 can match eol */
 YY_RULE_SETUP
 {
 	current_file->lineno++;
@@ -967,7 +1096,7 @@ YY_RULE_SETUP
 case 5:
 YY_RULE_SETUP
 {
-	unput(yytext[0]);
+	unput(zconftext[0]);
 	BEGIN(COMMAND);
 }
 	YY_BREAK
@@ -975,7 +1104,7 @@ YY_RULE_SETUP
 case 6:
 YY_RULE_SETUP
 {
-		const struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
+		const struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
 		BEGIN(PARAM);
 		current_pos.file = current_file;
 		current_pos.lineno = current_file->lineno;
@@ -983,7 +1112,7 @@ YY_RULE_SETUP
 			zconflval.id = id;
 			return id->token;
 		}
-		alloc_string(yytext, yyleng);
+		alloc_string(zconftext, zconfleng);
 		zconflval.string = text;
 		return T_WORD;
 	}
@@ -993,6 +1122,7 @@ YY_RULE_SETUP
 
 	YY_BREAK
 case 8:
+/* rule 8 can match eol */
 YY_RULE_SETUP
 {
 		BEGIN(INITIAL);
@@ -1001,7 +1131,6 @@ YY_RULE_SETUP
 	}
 	YY_BREAK
 
-
 case 9:
 YY_RULE_SETUP
 return T_AND;
@@ -1033,12 +1162,13 @@ return T_UNEQUAL;
 case 16:
 YY_RULE_SETUP
 {
-		str = yytext[0];
+		str = zconftext[0];
 		new_string();
 		BEGIN(STRING);
 	}
 	YY_BREAK
 case 17:
+/* rule 17 can match eol */
 YY_RULE_SETUP
 BEGIN(INITIAL); current_file->lineno++; return T_EOL;
 	YY_BREAK
@@ -1049,12 +1179,12 @@ YY_RULE_SETUP
 case 19:
 YY_RULE_SETUP
 {
-		const struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
+		const struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
 		if (id && id->flags & TF_PARAM) {
 			zconflval.id = id;
 			return id->token;
 		}
-		alloc_string(yytext, yyleng);
+		alloc_string(zconftext, zconfleng);
 		zconflval.string = text;
 		return T_WORD;
 	}
@@ -1064,6 +1194,7 @@ YY_RULE_SETUP
 /* comment */
 	YY_BREAK
 case 21:
+/* rule 21 can match eol */
 YY_RULE_SETUP
 current_file->lineno++;
 	YY_BREAK
@@ -1077,14 +1208,15 @@ case YY_STATE_EOF(PARAM):
 	}
 	YY_BREAK
 
-
 case 23:
-*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 */
+/* rule 23 can match eol */
+*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
+YY_LINENO_REWIND_TO(yy_cp - 1);
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up zconftext again */
 YY_RULE_SETUP
 {
-		append_string(yytext, yyleng);
+		append_string(zconftext, zconfleng);
 		zconflval.string = text;
 		return T_WORD_QUOTE;
 	}
@@ -1092,16 +1224,18 @@ YY_RULE_SETUP
 case 24:
 YY_RULE_SETUP
 {
-		append_string(yytext, yyleng);
+		append_string(zconftext, zconfleng);
 	}
 	YY_BREAK
 case 25:
-*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 */
+/* rule 25 can match eol */
+*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
+YY_LINENO_REWIND_TO(yy_cp - 1);
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up zconftext again */
 YY_RULE_SETUP
 {
-		append_string(yytext + 1, yyleng - 1);
+		append_string(zconftext + 1, zconfleng - 1);
 		zconflval.string = text;
 		return T_WORD_QUOTE;
 	}
@@ -1109,21 +1243,22 @@ YY_RULE_SETUP
 case 26:
 YY_RULE_SETUP
 {
-		append_string(yytext + 1, yyleng - 1);
+		append_string(zconftext + 1, zconfleng - 1);
 	}
 	YY_BREAK
 case 27:
 YY_RULE_SETUP
 {
-		if (str == yytext[0]) {
+		if (str == zconftext[0]) {
 			BEGIN(PARAM);
 			zconflval.string = text;
 			return T_WORD_QUOTE;
 		} else
-			append_string(yytext, 1);
+			append_string(zconftext, 1);
 	}
 	YY_BREAK
 case 28:
+/* rule 28 can match eol */
 YY_RULE_SETUP
 {
 		printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
@@ -1138,13 +1273,12 @@ case YY_STATE_EOF(STRING):
 	}
 	YY_BREAK
 
-
 case 29:
 YY_RULE_SETUP
 {
 		ts = 0;
-		for (i = 0; i < yyleng; i++) {
-			if (yytext[i] == '\t')
+		for (i = 0; i < zconfleng; i++) {
+			if (zconftext[i] == '\t')
 				ts = (ts & ~7) + 8;
 			else
 				ts++;
@@ -1165,9 +1299,11 @@ YY_RULE_SETUP
 	}
 	YY_BREAK
 case 30:
-*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 */
+/* rule 30 can match eol */
+*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
+YY_LINENO_REWIND_TO(yy_cp - 1);
+(yy_c_buf_p) = yy_cp -= 1;
+YY_DO_BEFORE_ACTION; /* set up zconftext again */
 YY_RULE_SETUP
 {
 		current_file->lineno++;
@@ -1176,6 +1312,7 @@ YY_RULE_SETUP
 	}
 	YY_BREAK
 case 31:
+/* rule 31 can match eol */
 YY_RULE_SETUP
 {
 		current_file->lineno++;
@@ -1185,12 +1322,12 @@ YY_RULE_SETUP
 case 32:
 YY_RULE_SETUP
 {
-		while (yyleng) {
-			if ((yytext[yyleng-1] != ' ') && (yytext[yyleng-1] != '\t'))
+		while (zconfleng) {
+			if ((zconftext[zconfleng-1] != ' ') && (zconftext[zconfleng-1] != '\t'))
 				break;
-			yyleng--;
+			zconfleng--;
 		}
-		append_string(yytext, yyleng);
+		append_string(zconftext, zconfleng);
 		if (!first_ts)
 			first_ts = last_ts;
 	}
@@ -1209,7 +1346,7 @@ case YY_STATE_EOF(COMMAND):
 		zconf_endfile();
 		return T_EOL;
 	}
-	fclose(yyin);
+	fclose(zconfin);
 	yyterminate();
 }
 	YY_BREAK
@@ -1221,26 +1358,26 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 	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;
+		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_cp = (yy_hold_char);
 		YY_RESTORE_YY_MORE_OFFSET
 
-		if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
+		if ( YY_CURRENT_BUFFER_LVALUE->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
+			 * just pointed zconfin at a new source and called
+			 * zconflex().  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;
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = zconfin;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
 			}
 
 		/* Note that here we test for yy_c_buf_p "<=" to the position
@@ -1250,13 +1387,13 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 		 * 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] )
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->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_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
 
-			yy_current_state = yy_get_previous_state();
+			yy_current_state = yy_get_previous_state(  );
 
 			/* Okay, we're now positioned to make the NUL
 			 * transition.  We couldn't have
@@ -1269,41 +1406,41 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 
 			yy_next_state = yy_try_NUL_trans( yy_current_state );
 
-			yy_bp = yytext_ptr + YY_MORE_ADJ;
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
 
 			if ( yy_next_state )
 				{
 				/* Consume the NUL. */
-				yy_cp = ++yy_c_buf_p;
+				yy_cp = ++(yy_c_buf_p);
 				yy_current_state = yy_next_state;
 				goto yy_match;
 				}
 
 			else
 				{
-				yy_cp = yy_c_buf_p;
+				yy_cp = (yy_c_buf_p);
 				goto yy_find_action;
 				}
 			}
 
-		else switch ( yy_get_next_buffer() )
+		else switch ( yy_get_next_buffer(  ) )
 			{
 			case EOB_ACT_END_OF_FILE:
 				{
-				yy_did_buffer_switch_on_eof = 0;
+				(yy_did_buffer_switch_on_eof) = 0;
 
-				if ( yywrap() )
+				if ( zconfwrap( ) )
 					{
 					/* Note: because we've taken care in
 					 * yy_get_next_buffer() to have set up
-					 * yytext, we can now set up
+					 * zconftext, 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_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
 
 					yy_act = YY_STATE_EOF(YY_START);
 					goto do_action;
@@ -1311,30 +1448,30 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 
 				else
 					{
-					if ( ! yy_did_buffer_switch_on_eof )
+					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_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
 
-				yy_current_state = yy_get_previous_state();
+				yy_current_state = yy_get_previous_state(  );
 
-				yy_cp = yy_c_buf_p;
-				yy_bp = yytext_ptr + YY_MORE_ADJ;
+				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_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
 
-				yy_current_state = yy_get_previous_state();
+				yy_current_state = yy_get_previous_state(  );
 
-				yy_cp = yy_c_buf_p;
-				yy_bp = yytext_ptr + YY_MORE_ADJ;
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
 				goto yy_find_action;
 			}
 		break;
@@ -1345,8 +1482,8 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 			"fatal flex scanner internal error--no action found" );
 	} /* end of action switch */
 		} /* end of scanning one token */
-	} /* end of yylex */
-
+	} /* end of user's declarations */
+} /* end of zconflex */
 
 /* yy_get_next_buffer - try to read in a new buffer
  *
@@ -1355,21 +1492,20 @@ YY_FATAL_ERROR( "flex scanner jammed" );
  *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
  *	EOB_ACT_END_OF_FILE - end of file
  */
-
-static int yy_get_next_buffer YY_PROTO(( void ))
-	{
-	register char *dest = yy_current_buffer->yy_ch_buf;
-	register char *source = yytext_ptr;
+static int yy_get_next_buffer (void)
+{
+    	register char *dest = YY_CURRENT_BUFFER_LVALUE->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] )
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->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 )
+	if ( YY_CURRENT_BUFFER_LVALUE->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 )
+		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.
@@ -1389,38 +1525,34 @@ static int yy_get_next_buffer YY_PROTO(( void ))
 	/* Try to read more data. */
 
 	/* First move last chars to start of buffer. */
-	number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
+	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 )
+	if ( YY_CURRENT_BUFFER_LVALUE->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;
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
 
 	else
 		{
-		int num_to_read =
-			yy_current_buffer->yy_buf_size - number_to_move - 1;
+			yy_size_t num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->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;
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
 
 			int yy_c_buf_p_offset =
-				(int) (yy_c_buf_p - b->yy_ch_buf);
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
 
 			if ( b->yy_is_our_buffer )
 				{
-				int new_size = b->yy_buf_size * 2;
+				yy_size_t new_size = b->yy_buf_size * 2;
 
 				if ( new_size <= 0 )
 					b->yy_buf_size += b->yy_buf_size / 8;
@@ -1429,8 +1561,7 @@ static int yy_get_next_buffer YY_PROTO(( void ))
 
 				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 );
+					zconfrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
 				}
 			else
 				/* Can't grow it, we don't own it. */
@@ -1440,35 +1571,35 @@ static int yy_get_next_buffer YY_PROTO(( void ))
 				YY_FATAL_ERROR(
 				"fatal error - scanner input buffer overflow" );
 
-			yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
 
-			num_to_read = yy_current_buffer->yy_buf_size -
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->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_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), num_to_read );
 
-		yy_current_buffer->yy_n_chars = yy_n_chars;
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
 		}
 
-	if ( yy_n_chars == 0 )
+	if ( (yy_n_chars) == 0 )
 		{
 		if ( number_to_move == YY_MORE_ADJ )
 			{
 			ret_val = EOB_ACT_END_OF_FILE;
-			yyrestart( yyin );
+			zconfrestart(zconfin  );
 			}
 
 		else
 			{
 			ret_val = EOB_ACT_LAST_MATCH;
-			yy_current_buffer->yy_buffer_status =
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
 				YY_BUFFER_EOF_PENDING;
 			}
 		}
@@ -1476,128 +1607,120 @@ static int yy_get_next_buffer YY_PROTO(( void ))
 	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;
+	if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) zconfrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
+		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+	}
 
-	yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
 
-	return ret_val;
-	}
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->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 YY_PROTO(( void ))
-	{
+    static yy_state_type yy_get_previous_state (void)
+{
 	register yy_state_type yy_current_state;
 	register char *yy_cp;
+    
+	yy_current_state = (yy_start);
 
-	yy_current_state = yy_start;
-
-	for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
 		{
 		yy_current_state = yy_nxt[yy_current_state][(*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1)];
 		}
 
 	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
-	{
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+{
 	register int yy_is_jam;
-
+    
 	yy_current_state = yy_nxt[yy_current_state][1];
 	yy_is_jam = (yy_current_state <= 0);
 
-	return yy_is_jam ? 0 : yy_current_state;
-	}
-
+		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;
+    static void yyunput (int c, register char * yy_bp )
+{
+	register char *yy_cp;
+    
+    yy_cp = (yy_c_buf_p);
 
-	/* undo effects of setting up yytext */
-	*yy_cp = yy_hold_char;
+	/* undo effects of setting up zconftext */
+	*yy_cp = (yy_hold_char);
 
-	if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->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 yy_size_t number_to_move = (yy_n_chars) + 2;
+		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
 		register char *source =
-				&yy_current_buffer->yy_ch_buf[number_to_move];
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
 
-		while ( source > yy_current_buffer->yy_ch_buf )
+		while ( source > YY_CURRENT_BUFFER_LVALUE->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;
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
 
-		if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+		if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->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 */
-
+	(yytext_ptr) = yy_bp;
+	(yy_hold_char) = *yy_cp;
+	(yy_c_buf_p) = yy_cp;
+}
 
 #ifndef YY_NO_INPUT
 #ifdef __cplusplus
-static int yyinput YY_PROTO(( void ))
+    static int yyinput (void)
 #else
-static int input YY_PROTO(( void ))
+    static int input  (void)
 #endif
-	{
-	int c;
 
-	*yy_c_buf_p = yy_hold_char;
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
 
-	if ( *yy_c_buf_p == YY_END_OF_BUFFER_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] )
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
 			/* This was really a NUL. */
-			*yy_c_buf_p = '\0';
+			*(yy_c_buf_p) = '\0';
 
 		else
 			{ /* need more input */
-			int offset = yy_c_buf_p - yytext_ptr;
-			++yy_c_buf_p;
+			yy_size_t offset = (yy_c_buf_p) - (yytext_ptr);
+			++(yy_c_buf_p);
 
-			switch ( yy_get_next_buffer() )
+			switch ( yy_get_next_buffer(  ) )
 				{
 				case EOB_ACT_LAST_MATCH:
 					/* This happens because yy_g_n_b()
@@ -1611,16 +1734,16 @@ static int input YY_PROTO(( void ))
 					 */
 
 					/* Reset buffer status. */
-					yyrestart( yyin );
+					zconfrestart(zconfin );
 
-					/* fall through */
+					/*FALLTHROUGH*/
 
 				case EOB_ACT_END_OF_FILE:
 					{
-					if ( yywrap() )
+					if ( zconfwrap( ) )
 						return EOF;
 
-					if ( ! yy_did_buffer_switch_on_eof )
+					if ( ! (yy_did_buffer_switch_on_eof) )
 						YY_NEW_FILE;
 #ifdef __cplusplus
 					return yyinput();
@@ -1630,176 +1753,165 @@ static int input YY_PROTO(( void ))
 					}
 
 				case EOB_ACT_CONTINUE_SCAN:
-					yy_c_buf_p = yytext_ptr + offset;
+					(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;
-
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve zconftext */
+	(yy_hold_char) = *++(yy_c_buf_p);
 
 	return c;
-	}
+}
 #endif	/* ifndef YY_NO_INPUT */
 
-
-#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();
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void zconfrestart  (FILE * input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        zconfensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            zconf_create_buffer(zconfin,YY_BUF_SIZE );
 	}
 
+	zconf_init_buffer(YY_CURRENT_BUFFER,input_file );
+	zconf_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 )
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void zconf_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		zconfpop_buffer_state();
+	 *		zconfpush_buffer_state(new_buffer);
+     */
+	zconfensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
 		return;
 
-	if ( yy_current_buffer )
+	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_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
 		}
 
-	yy_current_buffer = new_buffer;
-	yy_load_buffer_state();
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	zconf_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
+	 * EOF (zconfwrap()) processing, but the only time this flag
+	 * is looked at is after zconfwrap() 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;
-	}
+	(yy_did_buffer_switch_on_eof) = 1;
+}
 
+static void zconf_load_buffer_state  (void)
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	zconfin = YY_CURRENT_BUFFER_LVALUE->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
-	{
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE zconf_create_buffer  (FILE * file, int  size )
+{
 	YY_BUFFER_STATE b;
-
-	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+    
+	b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state )  );
 	if ( ! b )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in zconf_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 );
+	b->yy_ch_buf = (char *) zconfalloc(b->yy_buf_size + 2  );
 	if ( ! b->yy_ch_buf )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );
 
 	b->yy_is_our_buffer = 1;
 
-	yy_init_buffer( b, file );
+	zconf_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
-	{
+/** Destroy the buffer.
+ * @param b a buffer created with zconf_create_buffer()
+ * 
+ */
+    void zconf_delete_buffer (YY_BUFFER_STATE  b )
+{
+    
 	if ( ! b )
 		return;
 
-	if ( b == yy_current_buffer )
-		yy_current_buffer = (YY_BUFFER_STATE) 0;
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
 
 	if ( b->yy_is_our_buffer )
-		yy_flex_free( (void *) b->yy_ch_buf );
-
-	yy_flex_free( (void *) b );
-	}
-
+		zconffree((void *) b->yy_ch_buf  );
 
-#ifndef YY_ALWAYS_INTERACTIVE
-#ifndef YY_NEVER_INTERACTIVE
-#include <unistd.h>
-#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
+	zconffree((void *) b  );
+}
 
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a zconfrestart() or at EOF.
+ */
+    static void zconf_init_buffer  (YY_BUFFER_STATE  b, FILE * file )
 
-	{
+{
 	int oerrno = errno;
-
-	yy_flush_buffer( b );
+    
+	zconf_flush_buffer(b );
 
 	b->yy_input_file = file;
 	b->yy_fill_buffer = 1;
 
-#if defined(YY_ALWAYS_INTERACTIVE) && YY_ALWAYS_INTERACTIVE
-	b->yy_is_interactive = 1;
-#else
-#if defined(YY_NEVER_INTERACTIVE) && YY_NEVER_INTERACTIVE
-	b->yy_is_interactive = 0;
-#else
-	b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
-#endif
-#endif
+    /* If b is the current buffer, then zconf_init_buffer was _probably_
+     * called from zconfrestart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+        b->yy_is_interactive = 0;
+    
 	errno = oerrno;
-	}
-
-
-#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 )
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void zconf_flush_buffer (YY_BUFFER_STATE  b )
+{
+    	if ( ! b )
 		return;
 
 	b->yy_n_chars = 0;
@@ -1816,31 +1928,127 @@ YY_BUFFER_STATE b;
 	b->yy_at_bol = 1;
 	b->yy_buffer_status = YY_BUFFER_NEW;
 
-	if ( b == yy_current_buffer )
-		yy_load_buffer_state();
+	if ( b == YY_CURRENT_BUFFER )
+		zconf_load_buffer_state( );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void zconfpush_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+    	if (new_buffer == NULL)
+		return;
+
+	zconfensure_buffer_stack();
+
+	/* This block is copied from zconf_switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from zconf_switch_to_buffer. */
+	zconf_load_buffer_state( );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void zconfpop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	zconf_delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		zconf_load_buffer_state( );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void zconfensure_buffer_stack (void)
+{
+	yy_size_t num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+		num_to_alloc = 1;
+		(yy_buffer_stack) = (struct yy_buffer_state**)zconfalloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in zconfensure_buffer_stack()" );
+								  
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+				
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
 	}
 
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
 
-#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;
+		/* Increase the buffer to prepare for a possible push. */
+		int grow_size = 8 /* arbitrary grow size */;
 
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)zconfrealloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in zconfensure_buffer_stack()" );
+
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object. 
+ */
+YY_BUFFER_STATE zconf_scan_buffer  (char * base, yy_size_t  size )
+{
+	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 ) );
+	b = (YY_BUFFER_STATE) zconfalloc(sizeof( struct yy_buffer_state )  );
 	if ( ! b )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_buffer()" );
 
 	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
 	b->yy_buf_pos = b->yy_ch_buf = base;
@@ -1852,58 +2060,53 @@ yy_size_t size;
 	b->yy_fill_buffer = 0;
 	b->yy_buffer_status = YY_BUFFER_NEW;
 
-	yy_switch_to_buffer( b );
+	zconf_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
+}
 
+/** Setup the input buffer state to scan a string. The next call to zconflex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       zconf_scan_bytes() instead.
+ */
+YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr )
+{
+    
+	return zconf_scan_bytes(yystr,strlen(yystr) );
+}
 
-#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
-	{
+/** Setup the input buffer state to scan the given bytes. The next call to zconflex() will
+ * scan from a @e copy of @a bytes.
+ * @param yybytes the byte buffer to scan
+ * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE zconf_scan_bytes  (yyconst char * yybytes, yy_size_t  _yybytes_len )
+{
 	YY_BUFFER_STATE b;
 	char *buf;
 	yy_size_t n;
-	int i;
-
+	yy_size_t i;
+    
 	/* Get memory for full buffer, including space for trailing EOB's. */
-	n = len + 2;
-	buf = (char *) yy_flex_alloc( n );
+	n = _yybytes_len + 2;
+	buf = (char *) zconfalloc(n  );
 	if ( ! buf )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+		YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" );
 
-	for ( i = 0; i < len; ++i )
-		buf[i] = bytes[i];
+	for ( i = 0; i < _yybytes_len; ++i )
+		buf[i] = yybytes[i];
 
-	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
 
-	b = yy_scan_buffer( buf, n );
+	b = zconf_scan_buffer(buf,n );
 	if ( ! b )
-		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+		YY_FATAL_ERROR( "bad buffer in zconf_scan_bytes()" );
 
 	/* It's okay to grow etc. this buffer, and we should throw it
 	 * away when we're done.
@@ -1911,148 +2114,196 @@ int len;
 	b->yy_is_our_buffer = 1;
 
 	return b;
-	}
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
 #endif
 
+static void yy_fatal_error (yyconst char* msg )
+{
+    	(void) fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+}
 
-#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;
+/* Redefine yyless() so it works in section 3 code. */
 
-		yy_start_stack_depth += YY_START_STACK_INCR;
-		new_size = yy_start_stack_depth * sizeof( int );
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up zconftext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		zconftext[zconfleng] = (yy_hold_char); \
+		(yy_c_buf_p) = zconftext + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		zconfleng = yyless_macro_arg; \
+		} \
+	while ( 0 )
 
-		if ( ! yy_start_stack )
-			yy_start_stack = (int *) yy_flex_alloc( new_size );
+/* Accessor  methods (get/set functions) to struct members. */
 
-		else
-			yy_start_stack = (int *) yy_flex_realloc(
-					(void *) yy_start_stack, new_size );
+/** Get the current line number.
+ * 
+ */
+int zconfget_lineno  (void)
+{
+        
+    return zconflineno;
+}
 
-		if ( ! yy_start_stack )
-			YY_FATAL_ERROR(
-			"out of memory expanding start-condition stack" );
-		}
+/** Get the input stream.
+ * 
+ */
+FILE *zconfget_in  (void)
+{
+        return zconfin;
+}
 
-	yy_start_stack[yy_start_stack_ptr++] = YY_START;
+/** Get the output stream.
+ * 
+ */
+FILE *zconfget_out  (void)
+{
+        return zconfout;
+}
 
-	BEGIN(new_state);
-	}
-#endif
+/** Get the length of the current token.
+ * 
+ */
+yy_size_t zconfget_leng  (void)
+{
+        return zconfleng;
+}
 
+/** Get the current token.
+ * 
+ */
 
-#ifndef YY_NO_POP_STATE
-static void yy_pop_state YY_PROTO(( void ))
-	{
-	if ( --yy_start_stack_ptr < 0 )
-		YY_FATAL_ERROR( "start-condition stack underflow" );
+char *zconfget_text  (void)
+{
+        return zconftext;
+}
 
-	BEGIN(yy_start_stack[yy_start_stack_ptr]);
-	}
-#endif
+/** Set the current line number.
+ * @param line_number
+ * 
+ */
+void zconfset_lineno (int  line_number )
+{
+    
+    zconflineno = line_number;
+}
 
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * 
+ * @see zconf_switch_to_buffer
+ */
+void zconfset_in (FILE *  in_str )
+{
+        zconfin = in_str ;
+}
 
-#ifndef YY_NO_TOP_STATE
-static int yy_top_state YY_PROTO(( void ))
-	{
-	return yy_start_stack[yy_start_stack_ptr - 1];
-	}
-#endif
+void zconfset_out (FILE *  out_str )
+{
+        zconfout = out_str ;
+}
 
-#ifndef YY_EXIT_FAILURE
-#define YY_EXIT_FAILURE 2
-#endif
+int zconfget_debug  (void)
+{
+        return zconf_flex_debug;
+}
+
+void zconfset_debug (int  bdebug )
+{
+        zconf_flex_debug = bdebug ;
+}
 
-#ifdef YY_USE_PROTOS
-static void yy_fatal_error( yyconst char msg[] )
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from zconflex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = 0;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = (char *) 0;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    zconfin = stdin;
+    zconfout = stdout;
 #else
-static void yy_fatal_error( msg )
-char msg[];
+    zconfin = (FILE *) 0;
+    zconfout = (FILE *) 0;
 #endif
-	{
-	(void) fprintf( stderr, "%s\n", msg );
-	exit( YY_EXIT_FAILURE );
-	}
 
+    /* For future reference: Set errno on error, since we are called by
+     * zconflex_init()
+     */
+    return 0;
+}
 
+/* zconflex_destroy is for both reentrant and non-reentrant scanners. */
+int zconflex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		zconf_delete_buffer(YY_CURRENT_BUFFER  );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		zconfpop_buffer_state();
+	}
 
-/* Redefine yyless() so it works in section 3 code. */
+	/* Destroy the stack itself. */
+	zconffree((yy_buffer_stack) );
+	(yy_buffer_stack) = NULL;
 
-#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 )
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * zconflex() is called, initialization will occur. */
+    yy_init_globals( );
 
+    return 0;
+}
 
-/* Internal utility routines. */
+/*
+ * 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
-	{
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
 	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
-	{
+static int yy_flex_strlen (yyconst char * s )
+{
 	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
-	{
+void *zconfalloc (yy_size_t  size )
+{
 	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
-	{
+void *zconfrealloc  (void * ptr, yy_size_t  size )
+{
 	/* 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
@@ -2061,25 +2312,14 @@ yy_size_t size;
 	 * 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 );
-	}
+void zconffree (void * ptr )
+{
+	free( (char *) ptr );	/* see zconfrealloc() for (char *) cast */
+}
 
-#if defined(YY_MAIN) && YY_MAIN
-int main()
-	{
-	yylex();
-	return 0;
-	}
-#endif
+#define YYTABLES_NAME "yytables"
 
 void zconf_starthelp(void)
 {
@@ -2094,7 +2334,6 @@ static void zconf_endhelp(void)
 	BEGIN(INITIAL);
 }
 
-
 /*
  * Try to open specified file with following names:
  * ./name
@@ -2121,8 +2360,8 @@ FILE *zconf_fopen(const char *name)
 
 void zconf_initscan(const char *name)
 {
-	yyin = zconf_fopen(name);
-	if (!yyin) {
+	zconfin = zconf_fopen(name);
+	if (!zconfin) {
 		printf("can't find file %s\n", name);
 		exit(1);
 	}
@@ -2142,13 +2381,13 @@ void zconf_nextfile(const char *name)
 	memset(buf, 0, sizeof(*buf));
 
 	current_buf->state = YY_CURRENT_BUFFER;
-	yyin = zconf_fopen(file->name);
-	if (!yyin) {
+	zconfin = zconf_fopen(file->name);
+	if (!zconfin) {
 		printf("%s:%d: can't open file \"%s\"\n",
 		    zconf_curname(), zconf_lineno(), file->name);
 		exit(1);
 	}
-	yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
+	zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
 	buf->parent = current_buf;
 	current_buf = buf;
 
@@ -2190,9 +2429,14 @@ void zconf_nextfiles(const char *wildcard)
 		return;
 	}
 
-	w = g.gl_pathv;
-	while (*w)
-		zconf_nextfile(*w++);
+	/* working through files backwards, since
+	 * we're first pushing them on a stack
+	 * before actually handling them.
+	 */
+	for (i = g.gl_pathc; i > 0; i--) {
+		w = &g.gl_pathv[i - 1];
+		zconf_nextfile(*w);
+	}
 
 	globfree(&g);
 }
@@ -2205,9 +2449,9 @@ static void zconf_endfile(void)
 
 	parent = current_buf->parent;
 	if (parent) {
-		fclose(yyin);
-		yy_delete_buffer(YY_CURRENT_BUFFER);
-		yy_switch_to_buffer(parent->state);
+		fclose(zconfin);
+		zconf_delete_buffer(YY_CURRENT_BUFFER);
+		zconf_switch_to_buffer(parent->state);
 	}
 	free(current_buf);
 	current_buf = parent;
@@ -2222,3 +2466,4 @@ const char *zconf_curname(void)
 {
 	return current_pos.file ? current_pos.file->name : "<none>";
 }
+