Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...

[mirror_ubuntu-bionic-kernel.git] / scripts / kconfig / zconf.lex.c_shipped

#line 3 "scripts/kconfig/zconf.lex.c_shipped"

#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_flex_debug zconf_flex_debug
#define yy_init_buffer zconf_init_buffer
#define yy_flush_buffer zconf_flush_buffer
#define yy_load_buffer_state zconf_load_buffer_state
#define yy_switch_to_buffer zconf_switch_to_buffer
#define yyin zconfin
#define yyleng zconfleng
#define yylex zconflex
#define yylineno zconflineno
#define yyout zconfout
#define yyrestart zconfrestart
#define yytext zconftext
#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 35
#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. */

/* 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;
#endif /* ! C99 */

/* 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

#endif /* ! FLEXINT_H */

#ifdef __cplusplus

/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST

#else   /* ! __cplusplus */

/* C99 requires __STDC__ to be defined as 1. */
#if defined (__STDC__)

#define YY_USE_CONST

#endif  /* defined (__STDC__) */
#endif  /* ! __cplusplus */

#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#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 zconfrestart(zconfin  )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#define YY_BUF_SIZE 16384
#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 zconfleng;

extern FILE *zconfin, *zconfout;

#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2

    #define YY_LESS_LINENO(n)
    
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
        do \
                { \
                /* 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 + yyless_macro_arg - YY_MORE_ADJ; \
                YY_DO_BEFORE_ACTION; /* set up zconftext again */ \
                } \
        while ( 0 )

#define unput(c) yyunput( c, (yytext_ptr)  )

#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif

#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
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;

    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
         * 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 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 */

/* 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_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 zconftext is formed. */
static char yy_hold_char;
static int yy_n_chars;          /* number of characters read into yy_ch_buf */
int zconfleng;

/* Points to current character in buffer. */
static char *yy_c_buf_p = (char *) 0;
static int yy_init = 0;         /* whether we need to initialize */
static int yy_start = 0;        /* start state number */

/* 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 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  );

#define YY_FLUSH_BUFFER zconf_flush_buffer(YY_CURRENT_BUFFER )

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,int len  );

void *zconfalloc (yy_size_t  );
void *zconfrealloc (void *,yy_size_t  );
void zconffree (void *  );

#define yy_new_buffer zconf_create_buffer

#define yy_set_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 ){\
        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_LVALUE->yy_at_bol)

/* Begin user sect3 */

#define zconfwrap(n) 1
#define YY_SKIP_YYWRAP

typedef unsigned char YY_CHAR;

FILE *zconfin = (FILE *) 0, *zconfout = (FILE *) 0;

typedef int yy_state_type;

extern int zconflineno;

int zconflineno = 1;

extern char *zconftext;
#define yytext_ptr zconftext
static yyconst flex_int16_t yy_nxt[][19] =
    {
    {
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    0,    0,    0,    0
    },

    {
       11,   12,   13,   14,   12,   12,   15,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   12,   12
    },

    {
       11,   12,   13,   14,   12,   12,   15,   12,   12,   12,
       12,   12,   12,   12,   12,   12,   12,   12,   12
    },

    {
       11,   16,   16,   17,   16,   16,   16,   16,   16,   16,
       16,   16,   16,   18,   16,   16,   16,   16,   16
    },

    {
       11,   16,   16,   17,   16,   16,   16,   16,   16,   16,
       16,   16,   16,   18,   16,   16,   16,   16,   16

    },

    {
       11,   19,   20,   21,   19,   19,   19,   19,   19,   19,
       19,   19,   19,   19,   19,   19,   19,   19,   19
    },

    {
       11,   19,   20,   21,   19,   19,   19,   19,   19,   19,
       19,   19,   19,   19,   19,   19,   19,   19,   19
    },

    {
       11,   22,   22,   23,   22,   24,   22,   22,   24,   22,
       22,   22,   22,   22,   22,   22,   22,   25,   22
    },

    {
       11,   22,   22,   23,   22,   24,   22,   22,   24,   22,
       22,   22,   22,   22,   22,   22,   22,   25,   22
    },

    {
       11,   26,   27,   28,   29,   30,   31,   32,   30,   33,
       34,   35,   36,   36,   37,   38,   39,   40,   41

    },

    {
       11,   26,   27,   28,   29,   30,   31,   32,   30,   33,
       34,   35,   36,   36,   37,   38,   39,   40,   41
    },

    {
      -11,  -11,  -11,  -11,  -11,  -11,  -11,  -11,  -11,  -11,
      -11,  -11,  -11,  -11,  -11,  -11,  -11,  -11,  -11
    },

    {
       11,  -12,  -12,  -12,  -12,  -12,  -12,  -12,  -12,  -12,
      -12,  -12,  -12,  -12,  -12,  -12,  -12,  -12,  -12
    },

    {
       11,  -13,   42,   43,  -13,  -13,   44,  -13,  -13,  -13,
      -13,  -13,  -13,  -13,  -13,  -13,  -13,  -13,  -13
    },

    {
       11,  -14,  -14,  -14,  -14,  -14,  -14,  -14,  -14,  -14,
      -14,  -14,  -14,  -14,  -14,  -14,  -14,  -14,  -14

    },

    {
       11,   45,   45,   46,   45,   45,   45,   45,   45,   45,
       45,   45,   45,   45,   45,   45,   45,   45,   45
    },

    {
       11,  -16,  -16,  -16,  -16,  -16,  -16,  -16,  -16,  -16,
      -16,  -16,  -16,  -16,  -16,  -16,  -16,  -16,  -16
    },

    {
       11,  -17,  -17,  -17,  -17,  -17,  -17,  -17,  -17,  -17,
      -17,  -17,  -17,  -17,  -17,  -17,  -17,  -17,  -17
    },

    {
       11,  -18,  -18,  -18,  -18,  -18,  -18,  -18,  -18,  -18,
      -18,  -18,  -18,   47,  -18,  -18,  -18,  -18,  -18
    },

    {
       11,   48,   48,  -19,   48,   48,   48,   48,   48,   48,
       48,   48,   48,   48,   48,   48,   48,   48,   48

    },

    {
       11,  -20,   49,   50,  -20,  -20,  -20,  -20,  -20,  -20,
      -20,  -20,  -20,  -20,  -20,  -20,  -20,  -20,  -20
    },

    {
       11,   51,  -21,  -21,   51,   51,   51,   51,   51,   51,
       51,   51,   51,   51,   51,   51,   51,   51,   51
    },

    {
       11,   52,   52,   53,   52,  -22,   52,   52,  -22,   52,
       52,   52,   52,   52,   52,   52,   52,  -22,   52
    },

    {
       11,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,
      -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23,  -23
    },

    {
       11,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,
      -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24,  -24

    },

    {
       11,   54,   54,   55,   54,   54,   54,   54,   54,   54,
       54,   54,   54,   54,   54,   54,   54,   54,   54
    },

    {
       11,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,
      -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26,  -26
    },

    {
       11,  -27,   56,  -27,  -27,  -27,  -27,  -27,  -27,  -27,
      -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27,  -27
    },

    {
       11,  -28,  -28,  -28,  -28,  -28,  -28,  -28,  -28,  -28,
      -28,  -28,  -28,  -28,  -28,  -28,  -28,  -28,  -28
    },

    {
       11,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,  -29,
      -29,  -29,  -29,  -29,  -29,   57,  -29,  -29,  -29

    },

    {
       11,  -30,  -30,  -30,  -30,  -30,  -30,  -30,  -30,  -30,
      -30,  -30,  -30,  -30,  -30,  -30,  -30,  -30,  -30
    },

    {
       11,   58,   58,  -31,   58,   58,   58,   58,   58,   58,
       58,   58,   58,   58,   58,   58,   58,   58,   58
    },

    {
       11,  -32,  -32,  -32,  -32,  -32,  -32,   59,  -32,  -32,
      -32,  -32,  -32,  -32,  -32,  -32,  -32,  -32,  -32
    },

    {
       11,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,
      -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33,  -33
    },

    {
       11,  -34,  -34,  -34,  -34,  -34,  -34,  -34,  -34,  -34,
      -34,  -34,  -34,  -34,  -34,  -34,  -34,  -34,  -34

    },

    {
       11,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,  -35,
      -35,   60,   61,   61,  -35,  -35,  -35,  -35,  -35
    },

    {
       11,  -36,  -36,  -36,  -36,  -36,  -36,  -36,  -36,  -36,
      -36,   61,   61,   61,  -36,  -36,  -36,  -36,  -36
    },

    {
       11,  -37,  -37,  -37,  -37,  -37,  -37,  -37,  -37,  -37,
      -37,  -37,  -37,  -37,  -37,   62,  -37,  -37,  -37
    },

    {
       11,  -38,  -38,  -38,  -38,  -38,  -38,  -38,  -38,  -38,
      -38,  -38,  -38,  -38,  -38,  -38,  -38,  -38,  -38
    },

    {
       11,  -39,  -39,  -39,  -39,  -39,  -39,  -39,  -39,  -39,
      -39,  -39,  -39,  -39,  -39,   63,  -39,  -39,  -39

    },

    {
       11,  -40,  -40,   64,  -40,  -40,  -40,  -40,  -40,  -40,
      -40,  -40,  -40,  -40,  -40,  -40,  -40,  -40,  -40
    },

    {
       11,  -41,  -41,  -41,  -41,  -41,  -41,  -41,  -41,  -41,
      -41,  -41,  -41,  -41,  -41,  -41,  -41,  -41,   65
    },

    {
       11,  -42,   42,   43,  -42,  -42,   44,  -42,  -42,  -42,
      -42,  -42,  -42,  -42,  -42,  -42,  -42,  -42,  -42
    },

    {
       11,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,
      -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43,  -43
    },

    {
       11,   45,   45,   46,   45,   45,   45,   45,   45,   45,
       45,   45,   45,   45,   45,   45,   45,   45,   45

    },

    {
       11,   45,   45,   46,   45,   45,   45,   45,   45,   45,
       45,   45,   45,   45,   45,   45,   45,   45,   45
    },

    {
       11,  -46,  -46,  -46,  -46,  -46,  -46,  -46,  -46,  -46,
      -46,  -46,  -46,  -46,  -46,  -46,  -46,  -46,  -46
    },

    {
       11,  -47,  -47,  -47,  -47,  -47,  -47,  -47,  -47,  -47,
      -47,  -47,  -47,   47,  -47,  -47,  -47,  -47,  -47
    },

    {
       11,   48,   48,  -48,   48,   48,   48,   48,   48,   48,
       48,   48,   48,   48,   48,   48,   48,   48,   48
    },

    {
       11,  -49,   49,   50,  -49,  -49,  -49,  -49,  -49,  -49,
      -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49,  -49

    },

    {
       11,   51,  -50,  -50,   51,   51,   51,   51,   51,   51,
       51,   51,   51,   51,   51,   51,   51,   51,   51
    },

    {
       11,  -51,  -51,  -51,  -51,  -51,  -51,  -51,  -51,  -51,
      -51,  -51,  -51,  -51,  -51,  -51,  -51,  -51,  -51
    },

    {
       11,   52,   52,   53,   52,  -52,   52,   52,  -52,   52,
       52,   52,   52,   52,   52,   52,   52,  -52,   52
    },

    {
       11,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,
      -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53,  -53
    },

    {
       11,  -54,  -54,   55,  -54,  -54,  -54,  -54,  -54,  -54,
      -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54,  -54

    },

    {
       11,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,
      -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55,  -55
    },

    {
       11,  -56,   56,  -56,  -56,  -56,  -56,  -56,  -56,  -56,
      -56,  -56,  -56,  -56,  -56,  -56,  -56,  -56,  -56
    },

    {
       11,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,
      -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57,  -57
    },

    {
       11,   58,   58,  -58,   58,   58,   58,   58,   58,   58,
       58,   58,   58,   58,   58,   58,   58,   58,   58
    },

    {
       11,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,
      -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59,  -59

    },

    {
       11,  -60,  -60,  -60,  -60,  -60,  -60,  -60,  -60,  -60,
      -60,   66,   61,   61,  -60,  -60,  -60,  -60,  -60
    },

    {
       11,  -61,  -61,  -61,  -61,  -61,  -61,  -61,  -61,  -61,
      -61,   61,   61,   61,  -61,  -61,  -61,  -61,  -61
    },

    {
       11,  -62,  -62,  -62,  -62,  -62,  -62,  -62,  -62,  -62,
      -62,  -62,  -62,  -62,  -62,  -62,  -62,  -62,  -62
    },

    {
       11,  -63,  -63,  -63,  -63,  -63,  -63,  -63,  -63,  -63,
      -63,  -63,  -63,  -63,  -63,  -63,  -63,  -63,  -63
    },

    {
       11,  -64,  -64,  -64,  -64,  -64,  -64,  -64,  -64,  -64,
      -64,  -64,  -64,  -64,  -64,  -64,  -64,  -64,  -64

    },

    {
       11,  -65,  -65,  -65,  -65,  -65,  -65,  -65,  -65,  -65,
      -65,  -65,  -65,  -65,  -65,  -65,  -65,  -65,  -65
    },

    {
       11,  -66,  -66,  -66,  -66,  -66,  -66,  -66,  -66,  -66,
      -66,   61,   61,   61,  -66,  -66,  -66,  -66,  -66
    },

    } ;

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 zconftext.
 */
#define YY_DO_BEFORE_ACTION \
        (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;

#define YY_NUM_RULES 38
#define YY_END_OF_BUFFER 39
/* 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[67] =
    {   0,
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
       39,    5,    4,    2,    3,    7,    8,    6,   37,   34,
       36,   29,   33,   32,   31,   27,   26,   21,   13,   20,
       24,   27,   11,   12,   23,   23,   18,   14,   19,   27,
       27,    4,    2,    3,    3,    1,    6,   37,   34,   36,
       35,   29,   28,   31,   30,   26,   15,   24,    9,   23,
       23,   16,   17,   25,   10,   22
    } ;

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,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    4,    5,    6,    1,    1,    7,    8,    9,
       10,    1,    1,    1,   11,   12,   12,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,    1,    1,   14,
       15,   16,    1,    1,   13,   13,   13,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
        1,   17,    1,    1,   13,    1,   13,   13,   13,   13,

       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
       13,   13,   13,   13,   13,   13,   13,   13,   13,   13,
       13,   13,    1,   18,    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
    } ;

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.
 */
#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 *zconftext;
#define YY_NO_INPUT 1

/*
 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
 * Released under the terms of the GNU GPL v2.0.
 */

#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "lkc.h"

#define START_STRSIZE   16

static struct {
        struct file *file;
        int lineno;
} current_pos;

static char *text;
static int text_size, text_asize;

struct buffer {
        struct buffer *parent;
        YY_BUFFER_STATE state;
};

struct buffer *current_buf;

static int last_ts, first_ts;

static void zconf_endhelp(void);
static void zconf_endfile(void);

static void new_string(void)
{
        text = xmalloc(START_STRSIZE);
        text_asize = START_STRSIZE;
        text_size = 0;
        *text = 0;
}

static void append_string(const char *str, int size)
{
        int new_size = text_size + size + 1;
        if (new_size > text_asize) {
                new_size += START_STRSIZE - 1;
                new_size &= -START_STRSIZE;
                text = realloc(text, new_size);
                text_asize = new_size;
        }
        memcpy(text + text_size, str, size);
        text_size += size;
        text[text_size] = 0;
}

static void alloc_string(const char *str, int size)
{
        text = xmalloc(size + 1);
        memcpy(text, str, 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  );

int 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 zconfwrap (void );
#else
extern int zconfwrap (void );
#endif
#endif

    static void yyunput (int c,char *buf_ptr  );
    
#ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int );
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * );
#endif

#ifndef YY_NO_INPUT

#ifdef __cplusplus
static int yyinput (void );
#else
static int input (void );
#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 fwrite( zconftext, zconfleng, 1, zconfout )
#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) \
        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();" -
 * 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

/* 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_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 zconftext and zconfleng
 * 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

/** 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) )
                {
                (yy_init) = 1;

#ifdef YY_USER_INIT
                YY_USER_INIT;
#endif

                if ( ! (yy_start) )
                        (yy_start) = 1; /* first start state */

                if ( ! zconfin )
                        zconfin = stdin;

                if ( ! zconfout )
                        zconfout = stdout;

                if ( ! YY_CURRENT_BUFFER ) {
                        zconfensure_buffer_stack ();
                        YY_CURRENT_BUFFER_LVALUE =
                                zconf_create_buffer(zconfin,YY_BUF_SIZE );
                }

                zconf_load_buffer_state( );
                }

        while ( 1 )             /* loops until end-of-file is reached */
                {
                yy_cp = (yy_c_buf_p);

                /* 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_match:
                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;

yy_find_action:
                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 1:
/* rule 1 can match eol */
case 2:
/* rule 2 can match eol */
YY_RULE_SETUP
{
        current_file->lineno++;
        return T_EOL;
}
        YY_BREAK
case 3:
YY_RULE_SETUP

        YY_BREAK
case 4:
YY_RULE_SETUP
{
        BEGIN(COMMAND);
}
        YY_BREAK
case 5:
YY_RULE_SETUP
{
        unput(zconftext[0]);
        BEGIN(COMMAND);
}
        YY_BREAK

case 6:
YY_RULE_SETUP
{
                const struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
                BEGIN(PARAM);
                current_pos.file = current_file;
                current_pos.lineno = current_file->lineno;
                if (id && id->flags & TF_COMMAND) {
                        zconflval.id = id;
                        return id->token;
                }
                alloc_string(zconftext, zconfleng);
                zconflval.string = text;
                return T_WORD;
        }
        YY_BREAK
case 7:
YY_RULE_SETUP

        YY_BREAK
case 8:
/* rule 8 can match eol */
YY_RULE_SETUP
{
                BEGIN(INITIAL);
                current_file->lineno++;
                return T_EOL;
        }
        YY_BREAK

case 9:
YY_RULE_SETUP
return T_AND;
        YY_BREAK
case 10:
YY_RULE_SETUP
return T_OR;
        YY_BREAK
case 11:
YY_RULE_SETUP
return T_OPEN_PAREN;
        YY_BREAK
case 12:
YY_RULE_SETUP
return T_CLOSE_PAREN;
        YY_BREAK
case 13:
YY_RULE_SETUP
return T_NOT;
        YY_BREAK
case 14:
YY_RULE_SETUP
return T_EQUAL;
        YY_BREAK
case 15:
YY_RULE_SETUP
return T_UNEQUAL;
        YY_BREAK
case 16:
YY_RULE_SETUP
return T_LESS_EQUAL;
        YY_BREAK
case 17:
YY_RULE_SETUP
return T_GREATER_EQUAL;
        YY_BREAK
case 18:
YY_RULE_SETUP
return T_LESS;
        YY_BREAK
case 19:
YY_RULE_SETUP
return T_GREATER;
        YY_BREAK
case 20:
YY_RULE_SETUP
{
                str = zconftext[0];
                new_string();
                BEGIN(STRING);
        }
        YY_BREAK
case 21:
/* rule 21 can match eol */
YY_RULE_SETUP
BEGIN(INITIAL); current_file->lineno++; return T_EOL;
        YY_BREAK
case 22:
YY_RULE_SETUP
/* ignore */
        YY_BREAK
case 23:
YY_RULE_SETUP
{
                const struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
                if (id && id->flags & TF_PARAM) {
                        zconflval.id = id;
                        return id->token;
                }
                alloc_string(zconftext, zconfleng);
                zconflval.string = text;
                return T_WORD;
        }
        YY_BREAK
case 24:
YY_RULE_SETUP
/* comment */
        YY_BREAK
case 25:
/* rule 25 can match eol */
YY_RULE_SETUP
current_file->lineno++;
        YY_BREAK
case 26:
YY_RULE_SETUP

        YY_BREAK
case 27:
YY_RULE_SETUP
{
                fprintf(stderr,
                        "%s:%d:warning: ignoring unsupported character '%c'\n",
                        zconf_curname(), zconf_lineno(), *zconftext);
        }
        YY_BREAK
case YY_STATE_EOF(PARAM):
{
                BEGIN(INITIAL);
        }
        YY_BREAK

case 28:
/* rule 28 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up zconftext again */
YY_RULE_SETUP
{
                append_string(zconftext, zconfleng);
                zconflval.string = text;
                return T_WORD_QUOTE;
        }
        YY_BREAK
case 29:
YY_RULE_SETUP
{
                append_string(zconftext, zconfleng);
        }
        YY_BREAK
case 30:
/* rule 30 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up zconftext again */
YY_RULE_SETUP
{
                append_string(zconftext + 1, zconfleng - 1);
                zconflval.string = text;
                return T_WORD_QUOTE;
        }
        YY_BREAK
case 31:
YY_RULE_SETUP
{
                append_string(zconftext + 1, zconfleng - 1);
        }
        YY_BREAK
case 32:
YY_RULE_SETUP
{
                if (str == zconftext[0]) {
                        BEGIN(PARAM);
                        zconflval.string = text;
                        return T_WORD_QUOTE;
                } else
                        append_string(zconftext, 1);
        }
        YY_BREAK
case 33:
/* rule 33 can match eol */
YY_RULE_SETUP
{
                printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno());
                current_file->lineno++;
                BEGIN(INITIAL);
                return T_EOL;
        }
        YY_BREAK
case YY_STATE_EOF(STRING):
{
                BEGIN(INITIAL);
        }
        YY_BREAK

case 34:
YY_RULE_SETUP
{
                ts = 0;
                for (i = 0; i < zconfleng; i++) {
                        if (zconftext[i] == '\t')
                                ts = (ts & ~7) + 8;
                        else
                                ts++;
                }
                last_ts = ts;
                if (first_ts) {
                        if (ts < first_ts) {
                                zconf_endhelp();
                                return T_HELPTEXT;
                        }
                        ts -= first_ts;
                        while (ts > 8) {
                                append_string("        ", 8);
                                ts -= 8;
                        }
                        append_string("        ", ts);
                }
        }
        YY_BREAK
case 35:
/* rule 35 can match eol */
*yy_cp = (yy_hold_char); /* undo effects of setting up zconftext */
(yy_c_buf_p) = yy_cp -= 1;
YY_DO_BEFORE_ACTION; /* set up zconftext again */
YY_RULE_SETUP
{
                current_file->lineno++;
                zconf_endhelp();
                return T_HELPTEXT;
        }
        YY_BREAK
case 36:
/* rule 36 can match eol */
YY_RULE_SETUP
{
                current_file->lineno++;
                append_string("\n", 1);
        }
        YY_BREAK
case 37:
YY_RULE_SETUP
{
                while (zconfleng) {
                        if ((zconftext[zconfleng-1] != ' ') && (zconftext[zconfleng-1] != '\t'))
                                break;
                        zconfleng--;
                }
                append_string(zconftext, zconfleng);
                if (!first_ts)
                        first_ts = last_ts;
        }
        YY_BREAK
case YY_STATE_EOF(HELP):
{
                zconf_endhelp();
                return T_HELPTEXT;
        }
        YY_BREAK

case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(COMMAND):
{
        if (current_file) {
                zconf_endfile();
                return T_EOL;
        }
        fclose(zconfin);
        yyterminate();
}
        YY_BREAK
case 38:
YY_RULE_SETUP
YY_FATAL_ERROR( "flex scanner jammed" );
        YY_BREAK

        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_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 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_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
                 * 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_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_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 ( zconfwrap( ) )
                                        {
                                        /* Note: because we've taken care in
                                         * yy_get_next_buffer() to have 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_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_LVALUE->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 zconflex */

/* 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 (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_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
                YY_FATAL_ERROR(
                "fatal flex scanner internal error--end of buffer missed" );

        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 )
                        {
                        /* 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_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_LVALUE->yy_n_chars = (yy_n_chars) = 0;

        else
                {
                        int 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. */

                        /* 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. */
                                        zconfrealloc((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_LVALUE->yy_buf_size -
                                                number_to_move - 1;

                        }

                if ( num_to_read > YY_READ_BUF_SIZE )
                        num_to_read = YY_READ_BUF_SIZE;

                /* Read in more data. */
                YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
                        (yy_n_chars), (size_t) num_to_read );

                YY_CURRENT_BUFFER_LVALUE->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;
                        zconfrestart(zconfin  );
                        }

                else
                        {
                        ret_val = EOB_ACT_LAST_MATCH;
                        YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
                                YY_BUFFER_EOF_PENDING;
                        }
                }

        else
                ret_val = EOB_ACT_CONTINUE_SCAN;

        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()" );
        }

        (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;

        (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 (void)
{
        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 )
                {
                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 );
 */
    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;
}

    static void yyunput (int c, register char * yy_bp )
{
        register char *yy_cp;
    
    yy_cp = (yy_c_buf_p);

        /* undo effects of setting up zconftext */
        *yy_cp = (yy_hold_char);

        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_LVALUE->yy_ch_buf[
                                        YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
                register char *source =
                                &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];

                while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
                        *--dest = *--source;

                yy_cp += (int) (dest - source);
                yy_bp += (int) (dest - source);
                YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
                        (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;

                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;
}

#ifndef YY_NO_INPUT
#ifdef __cplusplus
    static int yyinput (void)
#else
    static int input  (void)
#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_LVALUE->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. */
                                        zconfrestart(zconfin );

                                        /*FALLTHROUGH*/

                                case EOB_ACT_END_OF_FILE:
                                        {
                                        if ( zconfwrap( ) )
                                                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 zconftext */
        (yy_hold_char) = *++(yy_c_buf_p);

        return c;
}
#endif  /* ifndef YY_NO_INPUT */

/** 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( );
}

/** 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 )
                {
                /* 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);
                }

        YY_CURRENT_BUFFER_LVALUE = new_buffer;
        zconf_load_buffer_state( );

        /* We don't actually know whether we did this switch during
         * 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;
}

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);
}

/** 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) zconfalloc(sizeof( struct yy_buffer_state )  );
        if ( ! b )
                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 *) zconfalloc(b->yy_buf_size + 2  );
        if ( ! b->yy_ch_buf )
                YY_FATAL_ERROR( "out of dynamic memory in zconf_create_buffer()" );

        b->yy_is_our_buffer = 1;

        zconf_init_buffer(b,file );

        return b;
}

/** 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 ) /* Not sure if we should pop here. */
                YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;

        if ( b->yy_is_our_buffer )
                zconffree((void *) b->yy_ch_buf  );

        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;
    
        zconf_flush_buffer(b );

        b->yy_input_file = file;
        b->yy_fill_buffer = 1;

    /* 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;
}

/** 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;

        /* 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 )
                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)
{
        int 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){

                /* 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) zconfalloc(sizeof( struct yy_buffer_state )  );
        if ( ! b )
                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;
        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;

        zconf_switch_to_buffer(b  );

        return b;
}

/** 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) );
}

/** 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 bytes the byte buffer to scan
 * @param 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, int  _yybytes_len )
{
        YY_BUFFER_STATE b;
        char *buf;
        yy_size_t n;
        int i;
    
        /* Get memory for full buffer, including space for trailing EOB's. */
        n = _yybytes_len + 2;
        buf = (char *) zconfalloc(n  );
        if ( ! buf )
                YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" );

        for ( i = 0; i < _yybytes_len; ++i )
                buf[i] = yybytes[i];

        buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;

        b = zconf_scan_buffer(buf,n );
        if ( ! b )
                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.
         */
        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 );
}

/* Redefine yyless() so it works in section 3 code. */

#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 )

/* Accessor  methods (get/set functions) to struct members. */

/** Get the current line number.
 * 
 */
int zconfget_lineno  (void)
{
        
    return zconflineno;
}

/** Get the input stream.
 * 
 */
FILE *zconfget_in  (void)
{
        return zconfin;
}

/** Get the output stream.
 * 
 */
FILE *zconfget_out  (void)
{
        return zconfout;
}

/** Get the length of the current token.
 * 
 */
int zconfget_leng  (void)
{
        return zconfleng;
}

/** Get the current token.
 * 
 */

char *zconfget_text  (void)
{
        return zconftext;
}

/** 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 ;
}

void zconfset_out (FILE *  out_str )
{
        zconfout = out_str ;
}

int zconfget_debug  (void)
{
        return zconf_flex_debug;
}

void zconfset_debug (int  bdebug )
{
        zconf_flex_debug = bdebug ;
}

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
    zconfin = (FILE *) 0;
    zconfout = (FILE *) 0;
#endif

    /* 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();
        }

        /* Destroy the stack itself. */
        zconffree((yy_buffer_stack) );
        (yy_buffer_stack) = NULL;

    /* 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.
 */

#ifndef yytext_ptr
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
static int yy_flex_strlen (yyconst char * s )
{
        register int n;
        for ( n = 0; s[n]; ++n )
                ;

        return n;
}
#endif

void *zconfalloc (yy_size_t  size )
{
        return (void *) malloc( size );
}

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
         * 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 );
}

void zconffree (void * ptr )
{
        free( (char *) ptr );   /* see zconfrealloc() for (char *) cast */
}

#define YYTABLES_NAME "yytables"

void zconf_starthelp(void)
{
        new_string();
        last_ts = first_ts = 0;
        BEGIN(HELP);
}

static void zconf_endhelp(void)
{
        zconflval.string = text;
        BEGIN(INITIAL);
}

/*
 * Try to open specified file with following names:
 * ./name
 * $(srctree)/name
 * The latter is used when srctree is separate from objtree
 * when compiling the kernel.
 * Return NULL if file is not found.
 */
FILE *zconf_fopen(const char *name)
{
        char *env, fullname[PATH_MAX+1];
        FILE *f;

        f = fopen(name, "r");
        if (!f && name != NULL && name[0] != '/') {
                env = getenv(SRCTREE);
                if (env) {
                        sprintf(fullname, "%s/%s", env, name);
                        f = fopen(fullname, "r");
                }
        }
        return f;
}

void zconf_initscan(const char *name)
{
        zconfin = zconf_fopen(name);
        if (!zconfin) {
                printf("can't find file %s\n", name);
                exit(1);
        }

        current_buf = xmalloc(sizeof(*current_buf));
        memset(current_buf, 0, sizeof(*current_buf));

        current_file = file_lookup(name);
        current_file->lineno = 1;
}

void zconf_nextfile(const char *name)
{
        struct file *iter;
        struct file *file = file_lookup(name);
        struct buffer *buf = xmalloc(sizeof(*buf));
        memset(buf, 0, sizeof(*buf));

        current_buf->state = YY_CURRENT_BUFFER;
        zconfin = zconf_fopen(file->name);
        if (!zconfin) {
                printf("%s:%d: can't open file \"%s\"\n",
                    zconf_curname(), zconf_lineno(), file->name);
                exit(1);
        }
        zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
        buf->parent = current_buf;
        current_buf = buf;

        for (iter = current_file->parent; iter; iter = iter->parent ) {
                if (!strcmp(current_file->name,iter->name) ) {
                        printf("%s:%d: recursive inclusion detected. "
                               "Inclusion path:\n  current file : '%s'\n",
                               zconf_curname(), zconf_lineno(),
                               zconf_curname());
                        iter = current_file->parent;
                        while (iter && \
                               strcmp(iter->name,current_file->name)) {
                                printf("  included from: '%s:%d'\n",
                                       iter->name, iter->lineno-1);
                                iter = iter->parent;
                        }
                        if (iter)
                                printf("  included from: '%s:%d'\n",
                                       iter->name, iter->lineno+1);
                        exit(1);
                }
        }
        file->lineno = 1;
        file->parent = current_file;
        current_file = file;
}

static void zconf_endfile(void)
{
        struct buffer *parent;

        current_file = current_file->parent;

        parent = current_buf->parent;
        if (parent) {
                fclose(zconfin);
                zconf_delete_buffer(YY_CURRENT_BUFFER);
                zconf_switch_to_buffer(parent->state);
        }
        free(current_buf);
        current_buf = parent;
}

int zconf_lineno(void)
{
        return current_pos.lineno;
}

const char *zconf_curname(void)
{
        return current_pos.file ? current_pos.file->name : "<none>";
}