New upstream version 5.7.2

2 files changed, 547 insertions, 356 deletions

diff --git a/src/libstrongswan/settings/settings_lexer.c b/src/libstrongswan/settings/settings_lexer.c
index c29dfa57b..a88a58f0e 100644
--- a/src/libstrongswan/settings/settings_lexer.c
+++ b/src/libstrongswan/settings/settings_lexer.c
@@ -7,7 +7,6 @@
 /* A lexical scanner generated by flex */
 
 /* %not-for-header */
-
 /* %if-c-only */
 /* %if-not-reentrant */
 /* %endif */
@@ -17,7 +16,7 @@
 #define FLEX_SCANNER
 #define YY_FLEX_MAJOR_VERSION 2
 #define YY_FLEX_MINOR_VERSION 6
-#define YY_FLEX_SUBMINOR_VERSION 0
+#define YY_FLEX_SUBMINOR_VERSION 4
 #if YY_FLEX_SUBMINOR_VERSION > 0
 #define FLEX_BETA
 #endif
@@ -26,9 +25,230 @@
 /* %endif */
 
 /* %if-c-only */
-    
+#ifdef yy_create_buffer
+#define settings_parser__create_buffer_ALREADY_DEFINED
+#else
+#define yy_create_buffer settings_parser__create_buffer
+#endif
+
+#ifdef yy_delete_buffer
+#define settings_parser__delete_buffer_ALREADY_DEFINED
+#else
+#define yy_delete_buffer settings_parser__delete_buffer
+#endif
+
+#ifdef yy_scan_buffer
+#define settings_parser__scan_buffer_ALREADY_DEFINED
+#else
+#define yy_scan_buffer settings_parser__scan_buffer
+#endif
+
+#ifdef yy_scan_string
+#define settings_parser__scan_string_ALREADY_DEFINED
+#else
+#define yy_scan_string settings_parser__scan_string
+#endif
+
+#ifdef yy_scan_bytes
+#define settings_parser__scan_bytes_ALREADY_DEFINED
+#else
+#define yy_scan_bytes settings_parser__scan_bytes
+#endif
+
+#ifdef yy_init_buffer
+#define settings_parser__init_buffer_ALREADY_DEFINED
+#else
+#define yy_init_buffer settings_parser__init_buffer
+#endif
+
+#ifdef yy_flush_buffer
+#define settings_parser__flush_buffer_ALREADY_DEFINED
+#else
+#define yy_flush_buffer settings_parser__flush_buffer
+#endif
+
+#ifdef yy_load_buffer_state
+#define settings_parser__load_buffer_state_ALREADY_DEFINED
+#else
+#define yy_load_buffer_state settings_parser__load_buffer_state
+#endif
+
+#ifdef yy_switch_to_buffer
+#define settings_parser__switch_to_buffer_ALREADY_DEFINED
+#else
+#define yy_switch_to_buffer settings_parser__switch_to_buffer
+#endif
+
+#ifdef yypush_buffer_state
+#define settings_parser_push_buffer_state_ALREADY_DEFINED
+#else
+#define yypush_buffer_state settings_parser_push_buffer_state
+#endif
+
+#ifdef yypop_buffer_state
+#define settings_parser_pop_buffer_state_ALREADY_DEFINED
+#else
+#define yypop_buffer_state settings_parser_pop_buffer_state
+#endif
+
+#ifdef yyensure_buffer_stack
+#define settings_parser_ensure_buffer_stack_ALREADY_DEFINED
+#else
+#define yyensure_buffer_stack settings_parser_ensure_buffer_stack
+#endif
+
+#ifdef yylex
+#define settings_parser_lex_ALREADY_DEFINED
+#else
+#define yylex settings_parser_lex
+#endif
+
+#ifdef yyrestart
+#define settings_parser_restart_ALREADY_DEFINED
+#else
+#define yyrestart settings_parser_restart
+#endif
+
+#ifdef yylex_init
+#define settings_parser_lex_init_ALREADY_DEFINED
+#else
+#define yylex_init settings_parser_lex_init
+#endif
+
+#ifdef yylex_init_extra
+#define settings_parser_lex_init_extra_ALREADY_DEFINED
+#else
+#define yylex_init_extra settings_parser_lex_init_extra
+#endif
+
+#ifdef yylex_destroy
+#define settings_parser_lex_destroy_ALREADY_DEFINED
+#else
+#define yylex_destroy settings_parser_lex_destroy
+#endif
+
+#ifdef yyget_debug
+#define settings_parser_get_debug_ALREADY_DEFINED
+#else
+#define yyget_debug settings_parser_get_debug
+#endif
+
+#ifdef yyset_debug
+#define settings_parser_set_debug_ALREADY_DEFINED
+#else
+#define yyset_debug settings_parser_set_debug
+#endif
+
+#ifdef yyget_extra
+#define settings_parser_get_extra_ALREADY_DEFINED
+#else
+#define yyget_extra settings_parser_get_extra
+#endif
+
+#ifdef yyset_extra
+#define settings_parser_set_extra_ALREADY_DEFINED
+#else
+#define yyset_extra settings_parser_set_extra
+#endif
+
+#ifdef yyget_in
+#define settings_parser_get_in_ALREADY_DEFINED
+#else
+#define yyget_in settings_parser_get_in
+#endif
+
+#ifdef yyset_in
+#define settings_parser_set_in_ALREADY_DEFINED
+#else
+#define yyset_in settings_parser_set_in
+#endif
+
+#ifdef yyget_out
+#define settings_parser_get_out_ALREADY_DEFINED
+#else
+#define yyget_out settings_parser_get_out
+#endif
+
+#ifdef yyset_out
+#define settings_parser_set_out_ALREADY_DEFINED
+#else
+#define yyset_out settings_parser_set_out
+#endif
+
+#ifdef yyget_leng
+#define settings_parser_get_leng_ALREADY_DEFINED
+#else
+#define yyget_leng settings_parser_get_leng
+#endif
+
+#ifdef yyget_text
+#define settings_parser_get_text_ALREADY_DEFINED
+#else
+#define yyget_text settings_parser_get_text
+#endif
+
+#ifdef yyget_lineno
+#define settings_parser_get_lineno_ALREADY_DEFINED
+#else
+#define yyget_lineno settings_parser_get_lineno
+#endif
+
+#ifdef yyset_lineno
+#define settings_parser_set_lineno_ALREADY_DEFINED
+#else
+#define yyset_lineno settings_parser_set_lineno
+#endif
+
+#ifdef yyget_column
+#define settings_parser_get_column_ALREADY_DEFINED
+#else
+#define yyget_column settings_parser_get_column
+#endif
+
+#ifdef yyset_column
+#define settings_parser_set_column_ALREADY_DEFINED
+#else
+#define yyset_column settings_parser_set_column
+#endif
+
+#ifdef yywrap
+#define settings_parser_wrap_ALREADY_DEFINED
+#else
+#define yywrap settings_parser_wrap
+#endif
+
 /* %endif */
 
+#ifdef yyget_lval
+#define settings_parser_get_lval_ALREADY_DEFINED
+#else
+#define yyget_lval settings_parser_get_lval
+#endif
+
+#ifdef yyset_lval
+#define settings_parser_set_lval_ALREADY_DEFINED
+#else
+#define yyset_lval settings_parser_set_lval
+#endif
+
+#ifdef yyalloc
+#define settings_parser_alloc_ALREADY_DEFINED
+#else
+#define yyalloc settings_parser_alloc
+#endif
+
+#ifdef yyrealloc
+#define settings_parser_realloc_ALREADY_DEFINED
+#else
+#define yyrealloc settings_parser_realloc
+#endif
+
+#ifdef yyfree
+#define settings_parser_free_ALREADY_DEFINED
+#else
+#define yyfree settings_parser_free
+#endif
+
 /* %if-c-only */
 
 /* %endif */
@@ -108,50 +328,39 @@ typedef unsigned int flex_uint32_t;
 #define UINT32_MAX             (4294967295U)
 #endif
 
+#ifndef SIZE_MAX
+#define SIZE_MAX               (~(size_t)0)
+#endif
+
 #endif /* ! C99 */
 
 #endif /* ! FLEXINT_H */
 
 /* %endif */
 
+/* begin standard C++ headers. */
 /* %if-c++-only */
 /* %endif */
 
-#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
+/* TODO: this is always defined, so inline it */
 #define yyconst const
+
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define yynoreturn __attribute__((__noreturn__))
 #else
-#define yyconst
+#define yynoreturn
 #endif
 
 /* %not-for-header */
-
 /* Returned upon end-of-file. */
 #define YY_NULL 0
 /* %ok-for-header */
 
 /* %not-for-header */
-
-/* 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.
+/* Promotes a possibly negative, possibly signed char to an
+ *   integer in range [0..255] for use as an array index.
  */
-#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
 /* %ok-for-header */
 
 /* %if-reentrant */
@@ -183,20 +392,16 @@ typedef void* yyscan_t;
  * definition of BEGIN.
  */
 #define BEGIN yyg->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 ((yyg->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 settings_parser_restart(yyin ,yyscanner )
-
+#define YY_NEW_FILE yyrestart( yyin , yyscanner )
 #define YY_END_OF_BUFFER_CHAR 0
 
 /* Size of default input buffer. */
@@ -237,10 +442,10 @@ typedef size_t yy_size_t;
 #define EOB_ACT_CONTINUE_SCAN 0
 #define EOB_ACT_END_OF_FILE 1
 #define EOB_ACT_LAST_MATCH 2
-
+    
     /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
      *       access to the local variable yy_act. Since yyless() is a macro, it would break
-     *       existing scanners that call yyless() from OUTSIDE settings_parser_lex. 
+     *       existing scanners that call yyless() from OUTSIDE yylex.
      *       One obvious solution it to make yy_act a global. I tried that, and saw
      *       a 5% performance hit in a non-yylineno scanner, because yy_act is
      *       normally declared as a register variable-- so it is not worth it.
@@ -273,7 +478,6 @@ typedef size_t yy_size_t;
 		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
 		} \
 	while ( 0 )
-
 #define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
 
 #ifndef YY_STRUCT_YY_BUFFER_STATE
@@ -293,7 +497,7 @@ struct yy_buffer_state
 	/* Size of input buffer in bytes, not including room for EOB
 	 * characters.
 	 */
-	yy_size_t yy_buf_size;
+	int yy_buf_size;
 
 	/* Number of characters read into yy_ch_buf, not including EOB
 	 * characters.
@@ -321,7 +525,7 @@ struct yy_buffer_state
 
     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.
 	 */
@@ -338,7 +542,7 @@ struct yy_buffer_state
 	 * possible backing-up.
 	 *
 	 * When we actually see the EOF, we change the status to "new"
-	 * (via settings_parser_restart()), so that the user can continue scanning by
+	 * (via yyrestart()), so that the user can continue scanning by
 	 * just pointing yyin at a new input file.
 	 */
 #define YY_BUFFER_EOF_PENDING 2
@@ -348,7 +552,6 @@ struct yy_buffer_state
 
 /* %if-c-only Standard (non-C++) definition */
 /* %not-for-header */
-
 /* %if-not-reentrant */
 /* %endif */
 /* %ok-for-header */
@@ -364,7 +567,6 @@ struct yy_buffer_state
 #define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \
                           ? yyg->yy_buffer_stack[yyg->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.
  */
@@ -374,57 +576,52 @@ struct yy_buffer_state
 
 /* %if-not-reentrant */
 /* %not-for-header */
-
 /* %ok-for-header */
 
 /* %endif */
 
-void settings_parser_restart (FILE *input_file ,yyscan_t yyscanner );
-void settings_parser__switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
-YY_BUFFER_STATE settings_parser__create_buffer (FILE *file,int size ,yyscan_t yyscanner );
-void settings_parser__delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
-void settings_parser__flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
-void settings_parser_push_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
-void settings_parser_pop_buffer_state (yyscan_t yyscanner );
-
-static void settings_parser_ensure_buffer_stack (yyscan_t yyscanner );
-static void settings_parser__load_buffer_state (yyscan_t yyscanner );
-static void settings_parser__init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
+void yyrestart ( FILE *input_file , yyscan_t yyscanner );
+void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner );
+YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size , yyscan_t yyscanner );
+void yy_delete_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner );
+void yy_flush_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner );
+void yypush_buffer_state ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner );
+void yypop_buffer_state ( yyscan_t yyscanner );
 
-#define YY_FLUSH_BUFFER settings_parser__flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
+static void yyensure_buffer_stack ( yyscan_t yyscanner );
+static void yy_load_buffer_state ( yyscan_t yyscanner );
+static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file , yyscan_t yyscanner );
+#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER , yyscanner)
 
-YY_BUFFER_STATE settings_parser__scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
-YY_BUFFER_STATE settings_parser__scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
-YY_BUFFER_STATE settings_parser__scan_bytes (yyconst char *bytes,yy_size_t len ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size , yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_string ( const char *yy_str , yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len , yyscan_t yyscanner );
 
 /* %endif */
 
-void *settings_parser_alloc (yy_size_t ,yyscan_t yyscanner );
-void *settings_parser_realloc (void *,yy_size_t ,yyscan_t yyscanner );
-void settings_parser_free (void * ,yyscan_t yyscanner );
-
-#define yy_new_buffer settings_parser__create_buffer
+void *yyalloc ( yy_size_t , yyscan_t yyscanner );
+void *yyrealloc ( void *, yy_size_t , yyscan_t yyscanner );
+void yyfree ( void * , yyscan_t yyscanner );
 
+#define yy_new_buffer yy_create_buffer
 #define yy_set_interactive(is_interactive) \
 	{ \
 	if ( ! YY_CURRENT_BUFFER ){ \
-        settings_parser_ensure_buffer_stack (yyscanner); \
+        yyensure_buffer_stack (yyscanner); \
 		YY_CURRENT_BUFFER_LVALUE =    \
-            settings_parser__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+            yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner); \
 	} \
 	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
 	}
-
 #define yy_set_bol(at_bol) \
 	{ \
 	if ( ! YY_CURRENT_BUFFER ){\
-        settings_parser_ensure_buffer_stack (yyscanner); \
+        yyensure_buffer_stack (yyscanner); \
 		YY_CURRENT_BUFFER_LVALUE =    \
-            settings_parser__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+            yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner); \
 	} \
 	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
 	}
-
 #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
 
 /* %% [1.0] yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here */
@@ -434,8 +631,7 @@ void settings_parser_free (void * ,yyscan_t yyscanner );
 #define YY_SKIP_YYWRAP
 
 #define FLEX_DEBUG
-
-typedef unsigned char YY_CHAR;
+typedef flex_uint8_t YY_CHAR;
 
 typedef int yy_state_type;
 
@@ -445,13 +641,10 @@ typedef int yy_state_type;
 
 /* %if-c-only Standard (non-C++) definition */
 
-static yy_state_type yy_get_previous_state (yyscan_t yyscanner );
-static yy_state_type yy_try_NUL_trans (yy_state_type current_state  ,yyscan_t yyscanner);
-static int yy_get_next_buffer (yyscan_t yyscanner );
-#if defined(__GNUC__) && __GNUC__ >= 3
-__attribute__((__noreturn__))
-#endif
-static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
+static yy_state_type yy_get_previous_state ( yyscan_t yyscanner );
+static yy_state_type yy_try_NUL_trans ( yy_state_type current_state  , yyscan_t yyscanner);
+static int yy_get_next_buffer ( yyscan_t yyscanner );
+static void yynoreturn yy_fatal_error ( const char* msg , yyscan_t yyscanner );
 
 /* %endif */
 
@@ -461,12 +654,11 @@ static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
 #define YY_DO_BEFORE_ACTION \
 	yyg->yytext_ptr = yy_bp; \
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
-	yyleng = (size_t) (yy_cp - yy_bp); \
+	yyleng = (int) (yy_cp - yy_bp); \
 	yyg->yy_hold_char = *yy_cp; \
 	*yy_cp = '\0'; \
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
 	yyg->yy_c_buf_p = yy_cp;
-
 /* %% [4.0] data tables for the DFA and the user's section 1 definitions go here */
 #define YY_NUM_RULES 39
 #define YY_END_OF_BUFFER 40
@@ -477,7 +669,7 @@ struct yy_trans_info
 	flex_int32_t yy_verify;
 	flex_int32_t yy_nxt;
 	};
-static yyconst flex_int16_t yy_accept[85] =
+static const flex_int16_t yy_accept[85] =
     {   0,
         0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
        40,   12,    2,    3,    2,   11,    1,    7,    6,    8,
@@ -490,7 +682,7 @@ static yyconst flex_int16_t yy_accept[85] =
         0,   10,   10,    0
     } ;
 
-static yyconst YY_CHAR yy_ec[256] =
+static const YY_CHAR yy_ec[256] =
     {   0,
         1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
         1,    1,    4,    1,    1,    1,    1,    1,    1,    1,
@@ -522,14 +714,14 @@ static yyconst YY_CHAR yy_ec[256] =
         1,    1,    1,    1,    1
     } ;
 
-static yyconst YY_CHAR yy_meta[24] =
+static const YY_CHAR yy_meta[24] =
     {   0,
         1,    2,    3,    4,    5,    6,    5,    7,    8,    7,
         9,   10,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    7,    5
     } ;
 
-static yyconst flex_uint16_t yy_base[103] =
+static const flex_int16_t yy_base[103] =
     {   0,
         0,    0,   23,    0,   45,   67,   89,  111,   49,   50,
       124,    0,  133,  335,   55,  335,   60,  335,  335,  335,
@@ -545,7 +737,7 @@ static yyconst flex_uint16_t yy_base[103] =
       314,  324
     } ;
 
-static yyconst flex_int16_t yy_def[103] =
+static const flex_int16_t yy_def[103] =
     {   0,
        84,    1,   84,    3,   85,   85,   86,   86,   87,   87,
        84,   88,   84,   84,   84,   84,   89,   84,   84,   84,
@@ -561,7 +753,7 @@ static yyconst flex_int16_t yy_def[103] =
        84,   84
     } ;
 
-static yyconst flex_uint16_t yy_nxt[359] =
+static const flex_int16_t yy_nxt[359] =
     {   0,
        12,   13,   14,   15,   13,   16,   17,   18,   19,   20,
        21,   12,   12,   12,   12,   22,   12,   12,   12,   12,
@@ -604,7 +796,7 @@ static yyconst flex_uint16_t yy_nxt[359] =
        84,   84,   84,   84,   84,   84,   84,   84
     } ;
 
-static yyconst flex_int16_t yy_chk[359] =
+static const flex_int16_t yy_chk[359] =
     {   0,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
@@ -648,18 +840,18 @@ static yyconst flex_int16_t yy_chk[359] =
     } ;
 
 /* Table of booleans, true if rule could match eol. */
-static yyconst flex_int32_t yy_rule_can_match_eol[40] =
+static const flex_int32_t yy_rule_can_match_eol[40] =
     {   0,
 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 
     0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 
         };
 
-static yyconst flex_int16_t yy_rule_linenum[39] =
+static const flex_int16_t yy_rule_linenum[39] =
     {   0,
-       66,   67,   68,   70,   71,   73,   74,   76,   81,   86,
-       91,   96,  102,  103,  104,  106,  108,  113,  120,  121,
-      123,  144,  150,  157,  160,  180,  183,  186,  189,  195,
-      196,  198,  218,  219,  220,  221,  222,  223
+       71,   72,   73,   75,   76,   78,   79,   81,   86,   91,
+       96,  101,  107,  108,  109,  111,  113,  118,  125,  126,
+      128,  149,  155,  162,  165,  185,  188,  191,  194,  200,
+      201,  203,  223,  224,  225,  226,  227,  228
     } ;
 
 /* The intent behind this definition is that it'll catch
@@ -694,9 +886,13 @@ bool settings_parser_open_next_file(parser_helper_t *ctx);
 
 static void include_files(parser_helper_t *ctx);
 
+#line 890 "settings/settings_lexer.c"
 /* use start conditions stack */
 /* do not declare unneeded functions */
 #define YY_NO_INPUT 1
+/* do not include unistd.h as it might conflict with our scanner states */
+#define YY_NO_UNISTD_H 1
+/* due to that disable interactive mode, which requires isatty() */
 /* don't use global variables, and interact properly with bison */
 /* maintain the line number */
 /* don't generate a default rule */
@@ -712,7 +908,7 @@ static void include_files(parser_helper_t *ctx);
 /* state used to scan quoted strings */
 
 /* pattern for section/key names */
-#line 716 "settings/settings_lexer.c"
+#line 912 "settings/settings_lexer.c"
 
 #define INITIAL 0
 #define ref 1
@@ -751,7 +947,7 @@ struct yyguts_t
     YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
     char yy_hold_char;
     int yy_n_chars;
-    yy_size_t yyleng_r;
+    int yyleng_r;
     char *yy_c_buf_p;
     int yy_init;
     int yy_start;
@@ -775,7 +971,7 @@ struct yyguts_t
 
 /* %if-c-only */
 
-static int yy_init_globals (yyscan_t yyscanner );
+static int yy_init_globals ( yyscan_t yyscanner );
 
 /* %endif */
 
@@ -785,9 +981,9 @@ static int yy_init_globals (yyscan_t yyscanner );
      * from bison output in section 1.*/
     #    define yylval yyg->yylval_r
     
-int settings_parser_lex_init (yyscan_t* scanner);
+int yylex_init (yyscan_t* scanner);
 
-int settings_parser_lex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
+int yylex_init_extra ( YY_EXTRA_TYPE user_defined, yyscan_t* scanner);
 
 /* %endif */
 
@@ -796,41 +992,41 @@ int settings_parser_lex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner
 /* Accessor methods to globals.
    These are made visible to non-reentrant scanners for convenience. */
 
-int settings_parser_lex_destroy (yyscan_t yyscanner );
+int yylex_destroy ( yyscan_t yyscanner );
 
-int settings_parser_get_debug (yyscan_t yyscanner );
+int yyget_debug ( yyscan_t yyscanner );
 
-void settings_parser_set_debug (int debug_flag ,yyscan_t yyscanner );
+void yyset_debug ( int debug_flag , yyscan_t yyscanner );
 
-YY_EXTRA_TYPE settings_parser_get_extra (yyscan_t yyscanner );
+YY_EXTRA_TYPE yyget_extra ( yyscan_t yyscanner );
 
-void settings_parser_set_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
+void yyset_extra ( YY_EXTRA_TYPE user_defined , yyscan_t yyscanner );
 
-FILE *settings_parser_get_in (yyscan_t yyscanner );
+FILE *yyget_in ( yyscan_t yyscanner );
 
-void settings_parser_set_in  (FILE * _in_str ,yyscan_t yyscanner );
+void yyset_in  ( FILE * _in_str , yyscan_t yyscanner );
 
-FILE *settings_parser_get_out (yyscan_t yyscanner );
+FILE *yyget_out ( yyscan_t yyscanner );
 
-void settings_parser_set_out  (FILE * _out_str ,yyscan_t yyscanner );
+void yyset_out  ( FILE * _out_str , yyscan_t yyscanner );
 
-yy_size_t settings_parser_get_leng (yyscan_t yyscanner );
+			int yyget_leng ( yyscan_t yyscanner );
 
-char *settings_parser_get_text (yyscan_t yyscanner );
+char *yyget_text ( yyscan_t yyscanner );
 
-int settings_parser_get_lineno (yyscan_t yyscanner );
+int yyget_lineno ( yyscan_t yyscanner );
 
-void settings_parser_set_lineno (int _line_number ,yyscan_t yyscanner );
+void yyset_lineno ( int _line_number , yyscan_t yyscanner );
 
-int settings_parser_get_column  (yyscan_t yyscanner );
+int yyget_column  ( yyscan_t yyscanner );
 
-void settings_parser_set_column (int _column_no ,yyscan_t yyscanner );
+void yyset_column ( int _column_no , yyscan_t yyscanner );
 
 /* %if-bison-bridge */
 
-YYSTYPE * settings_parser_get_lval (yyscan_t yyscanner );
+YYSTYPE * yyget_lval ( yyscan_t yyscanner );
 
-void settings_parser_set_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
+void yyset_lval ( YYSTYPE * yylval_param , yyscan_t yyscanner );
 
 /* %endif */
 
@@ -840,17 +1036,16 @@ void settings_parser_set_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
 
 #ifndef YY_SKIP_YYWRAP
 #ifdef __cplusplus
-extern "C" int settings_parser_wrap (yyscan_t yyscanner );
+extern "C" int yywrap ( yyscan_t yyscanner );
 #else
-extern int settings_parser_wrap (yyscan_t yyscanner );
+extern int yywrap ( yyscan_t yyscanner );
 #endif
 #endif
 
 /* %not-for-header */
-
 #ifndef YY_NO_UNPUT
     
-    static void yyunput (int c,char *buf_ptr  ,yyscan_t yyscanner);
+    static void yyunput ( int c, char *buf_ptr  , yyscan_t yyscanner);
     
 #endif
 /* %ok-for-header */
@@ -858,21 +1053,20 @@ extern int settings_parser_wrap (yyscan_t yyscanner );
 /* %endif */
 
 #ifndef yytext_ptr
-static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
+static void yy_flex_strncpy ( char *, const char *, int , yyscan_t yyscanner);
 #endif
 
 #ifdef YY_NEED_STRLEN
-static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
+static int yy_flex_strlen ( const char * , yyscan_t yyscanner);
 #endif
 
 #ifndef YY_NO_INPUT
 /* %if-c-only Standard (non-C++) definition */
 /* %not-for-header */
-
 #ifdef __cplusplus
-static int yyinput (yyscan_t yyscanner );
+static int yyinput ( yyscan_t yyscanner );
 #else
-static int input (yyscan_t yyscanner );
+static int input ( yyscan_t yyscanner );
 #endif
 /* %ok-for-header */
 
@@ -881,11 +1075,11 @@ static int input (yyscan_t yyscanner );
 
 /* %if-c-only */
 
-    static void yy_push_state (int _new_state ,yyscan_t yyscanner);
+    static void yy_push_state ( int _new_state , yyscan_t yyscanner);
     
-    static void yy_pop_state (yyscan_t yyscanner );
+    static void yy_pop_state ( yyscan_t yyscanner );
     
-    static int yy_top_state (yyscan_t yyscanner );
+    static int yy_top_state ( yyscan_t yyscanner );
     
 /* %endif */
 
@@ -905,7 +1099,7 @@ static int input (yyscan_t yyscanner );
 /* This used to be an fputs(), but since the string might contain NUL's,
  * we now use fwrite().
  */
-#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
+#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0)
 /* %endif */
 /* %if-c++-only C++ definition */
 /* %endif */
@@ -920,7 +1114,7 @@ static int input (yyscan_t yyscanner );
 	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
 		{ \
 		int c = '*'; \
-		size_t n; \
+		int n; \
 		for ( n = 0; n < max_size && \
 			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
 			buf[n] = (char) c; \
@@ -933,7 +1127,7 @@ static int input (yyscan_t yyscanner );
 	else \
 		{ \
 		errno=0; \
-		while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+		while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \
 			{ \
 			if( errno != EINTR) \
 				{ \
@@ -974,11 +1168,9 @@ static int input (yyscan_t yyscanner );
 
 /* %if-tables-serialization structures and prototypes */
 /* %not-for-header */
-
 /* %ok-for-header */
 
 /* %not-for-header */
-
 /* %tables-yydmap generated elements */
 /* %endif */
 /* end tables serialization structures and prototypes */
@@ -992,10 +1184,10 @@ static int input (yyscan_t yyscanner );
 #define YY_DECL_IS_OURS 1
 /* %if-c-only Standard (non-C++) definition */
 
-extern int settings_parser_lex \
-               (YYSTYPE * yylval_param ,yyscan_t yyscanner);
+extern int yylex \
+               (YYSTYPE * yylval_param , yyscan_t yyscanner);
 
-#define YY_DECL int settings_parser_lex \
+#define YY_DECL int yylex \
                (YYSTYPE * yylval_param , yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only C++ definition */
@@ -1019,7 +1211,6 @@ extern int settings_parser_lex \
 	YY_USER_ACTION
 
 /* %not-for-header */
-
 /** The main scanner function which does all the work.
  */
 YY_DECL
@@ -1057,20 +1248,20 @@ YY_DECL
 /* %endif */
 
 		if ( ! YY_CURRENT_BUFFER ) {
-			settings_parser_ensure_buffer_stack (yyscanner);
+			yyensure_buffer_stack (yyscanner);
 			YY_CURRENT_BUFFER_LVALUE =
-				settings_parser__create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+				yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner);
 		}
 
-		settings_parser__load_buffer_state(yyscanner );
+		yy_load_buffer_state( yyscanner );
 		}
 
 	{
 /* %% [7.0] user's declarations go here */
-#line 64 "settings/settings_lexer.l"
+#line 69 "settings/settings_lexer.l"
 
 
-#line 1074 "settings/settings_lexer.c"
+#line 1265 "settings/settings_lexer.c"
 
 	while ( /*CONSTCOND*/1 )		/* loops until end-of-file is reached */
 		{
@@ -1100,22 +1291,18 @@ yy_match:
 				{
 				yy_current_state = (int) yy_def[yy_current_state];
 				if ( yy_current_state >= 85 )
-					yy_c = yy_meta[(unsigned int) yy_c];
+					yy_c = yy_meta[yy_c];
 				}
-			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+			yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
 			++yy_cp;
 			}
-		while ( yy_base[yy_current_state] != 335 );
+		while ( yy_current_state != 84 );
+		yy_cp = yyg->yy_last_accepting_cpos;
+		yy_current_state = yyg->yy_last_accepting_state;
 
 yy_find_action:
 /* %% [10.0] code to find the action number goes here */
 		yy_act = yy_accept[yy_current_state];
-		if ( yy_act == 0 )
-			{ /* have to back up */
-			yy_cp = yyg->yy_last_accepting_cpos;
-			yy_current_state = yyg->yy_last_accepting_state;
-			yy_act = yy_accept[yy_current_state];
-			}
 
 		YY_DO_BEFORE_ACTION;
 
@@ -1123,10 +1310,10 @@ yy_find_action:
 
 		if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
 			{
-			yy_size_t yyl;
+			int yyl;
 			for ( yyl = 0; yyl < yyleng; ++yyl )
 				if ( yytext[yyl] == '\n' )
-					   
+					
     do{ yylineno++;
         yycolumn=0;
     }while(0)
@@ -1164,40 +1351,40 @@ do_action:	/* This label is used only to access EOF actions. */
 
 case 1:
 YY_RULE_SETUP
-#line 66 "settings/settings_lexer.l"
+#line 71 "settings/settings_lexer.l"
 /* eat comments */
 	YY_BREAK
 case 2:
 YY_RULE_SETUP
-#line 67 "settings/settings_lexer.l"
+#line 72 "settings/settings_lexer.l"
 /* eat whitespace */
 	YY_BREAK
 case 3:
 /* rule 3 can match eol */
 YY_RULE_SETUP
-#line 68 "settings/settings_lexer.l"
+#line 73 "settings/settings_lexer.l"
 /* eat newlines and comments at the end of a line */
 	YY_BREAK
 case 4:
-#line 71 "settings/settings_lexer.l"
+#line 76 "settings/settings_lexer.l"
 case 5:
 YY_RULE_SETUP
-#line 71 "settings/settings_lexer.l"
+#line 76 "settings/settings_lexer.l"
 return yytext[0];
 	YY_BREAK
 case 6:
 YY_RULE_SETUP
-#line 73 "settings/settings_lexer.l"
+#line 78 "settings/settings_lexer.l"
 return DOT;
 	YY_BREAK
 case 7:
 YY_RULE_SETUP
-#line 74 "settings/settings_lexer.l"
+#line 79 "settings/settings_lexer.l"
 return COMMA;
 	YY_BREAK
 case 8:
 YY_RULE_SETUP
-#line 76 "settings/settings_lexer.l"
+#line 81 "settings/settings_lexer.l"
 {
 	yy_push_state(ref, yyscanner);
 	return COLON;
@@ -1205,7 +1392,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 9:
 YY_RULE_SETUP
-#line 81 "settings/settings_lexer.l"
+#line 86 "settings/settings_lexer.l"
 {
 	yy_push_state(val, yyscanner);
 	return yytext[0];
@@ -1218,7 +1405,7 @@ YY_LINENO_REWIND_TO(yy_cp - 1);
 yyg->yy_c_buf_p = yy_cp -= 1;
 YY_DO_BEFORE_ACTION; /* set up yytext again */
 YY_RULE_SETUP
-#line 86 "settings/settings_lexer.l"
+#line 91 "settings/settings_lexer.l"
 {
 	yyextra->string_init(yyextra);
 	yy_push_state(inc, yyscanner);
@@ -1226,7 +1413,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 11:
 YY_RULE_SETUP
-#line 91 "settings/settings_lexer.l"
+#line 96 "settings/settings_lexer.l"
 {
 	PARSER_DBG1(yyextra, "unexpected string detected");
 	return STRING_ERROR;
@@ -1234,7 +1421,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 12:
 YY_RULE_SETUP
-#line 96 "settings/settings_lexer.l"
+#line 101 "settings/settings_lexer.l"
 {
 	yylval->s = strdup(yytext);
 	return NAME;
@@ -1243,28 +1430,28 @@ YY_RULE_SETUP
 
 case 13:
 YY_RULE_SETUP
-#line 102 "settings/settings_lexer.l"
+#line 107 "settings/settings_lexer.l"
 /* eat comments */
 	YY_BREAK
 case 14:
 YY_RULE_SETUP
-#line 103 "settings/settings_lexer.l"
+#line 108 "settings/settings_lexer.l"
 /* eat whitespace */
 	YY_BREAK
 case 15:
 /* rule 15 can match eol */
 YY_RULE_SETUP
-#line 104 "settings/settings_lexer.l"
+#line 109 "settings/settings_lexer.l"
 /* eat newlines and comments at the end of a line */
 	YY_BREAK
 case 16:
 YY_RULE_SETUP
-#line 106 "settings/settings_lexer.l"
+#line 111 "settings/settings_lexer.l"
 return COMMA;
 	YY_BREAK
 case 17:
 YY_RULE_SETUP
-#line 108 "settings/settings_lexer.l"
+#line 113 "settings/settings_lexer.l"
 {
 		yylval->s = strdup(yytext);
 		return NAME;
@@ -1272,7 +1459,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 18:
 YY_RULE_SETUP
-#line 113 "settings/settings_lexer.l"
+#line 118 "settings/settings_lexer.l"
 {
 		unput(yytext[0]);
 		yy_pop_state(yyscanner);
@@ -1282,20 +1469,20 @@ YY_RULE_SETUP
 
 case 19:
 YY_RULE_SETUP
-#line 120 "settings/settings_lexer.l"
+#line 125 "settings/settings_lexer.l"
 /* just ignore these */
 	YY_BREAK
 case 20:
 YY_RULE_SETUP
-#line 121 "settings/settings_lexer.l"
+#line 126 "settings/settings_lexer.l"
 
 	YY_BREAK
 case YY_STATE_EOF(val):
-#line 122 "settings/settings_lexer.l"
+#line 127 "settings/settings_lexer.l"
 case 21:
 /* rule 21 can match eol */
 YY_RULE_SETUP
-#line 123 "settings/settings_lexer.l"
+#line 128 "settings/settings_lexer.l"
 {
 		if (*yytext)
 		{
@@ -1319,7 +1506,7 @@ YY_RULE_SETUP
 	YY_BREAK
 case 22:
 YY_RULE_SETUP
-#line 144 "settings/settings_lexer.l"
+#line 149 "settings/settings_lexer.l"
 {
 		yyextra->string_init(yyextra);
 		yy_push_state(str, yyscanner);
@@ -1328,7 +1515,7 @@ YY_RULE_SETUP
 /* same as above, but allow more characters */
 case 23:
 YY_RULE_SETUP
-#line 150 "settings/settings_lexer.l"
+#line 155 "settings/settings_lexer.l"
 {
 		yylval->s = strdup(yytext);
 		return NAME;
@@ -1338,16 +1525,16 @@ YY_RULE_SETUP
 
 case 24:
 YY_RULE_SETUP
-#line 157 "settings/settings_lexer.l"
+#line 162 "settings/settings_lexer.l"
 /* just ignore these */
 	YY_BREAK
 /* we allow all characters except #, } and spaces, they can be escaped */
 case YY_STATE_EOF(inc):
-#line 159 "settings/settings_lexer.l"
+#line 164 "settings/settings_lexer.l"
 case 25:
 /* rule 25 can match eol */
 YY_RULE_SETUP
-#line 160 "settings/settings_lexer.l"
+#line 165 "settings/settings_lexer.l"
 {
 		if (*yytext)
 		{
@@ -1371,28 +1558,28 @@ YY_RULE_SETUP
 	YY_BREAK
 case 26:
 YY_RULE_SETUP
-#line 180 "settings/settings_lexer.l"
+#line 185 "settings/settings_lexer.l"
 {	/* string include */
 		yy_push_state(str, yyscanner);
 	}
 	YY_BREAK
 case 27:
 YY_RULE_SETUP
-#line 183 "settings/settings_lexer.l"
+#line 188 "settings/settings_lexer.l"
 {
 		yyextra->string_add(yyextra, yytext);
 	}
 	YY_BREAK
 case 28:
 YY_RULE_SETUP
-#line 186 "settings/settings_lexer.l"
+#line 191 "settings/settings_lexer.l"
 {
 		yyextra->string_add(yyextra, yytext+1);
 	}
 	YY_BREAK
 case 29:
 YY_RULE_SETUP
-#line 189 "settings/settings_lexer.l"
+#line 194 "settings/settings_lexer.l"
 {
 		yyextra->string_add(yyextra, yytext);
 	}
@@ -1401,17 +1588,17 @@ YY_RULE_SETUP
 
 case 30:
 YY_RULE_SETUP
-#line 195 "settings/settings_lexer.l"
+#line 200 "settings/settings_lexer.l"
 /* just ignore these */
 	YY_BREAK
 case 31:
-#line 197 "settings/settings_lexer.l"
+#line 202 "settings/settings_lexer.l"
 YY_RULE_SETUP
 case YY_STATE_EOF(str):
-#line 197 "settings/settings_lexer.l"
+#line 202 "settings/settings_lexer.l"
 case 32:
 YY_RULE_SETUP
-#line 198 "settings/settings_lexer.l"
+#line 203 "settings/settings_lexer.l"
 {
 		if (!streq(yytext, "\""))
 		{
@@ -1434,34 +1621,34 @@ YY_RULE_SETUP
 	YY_BREAK
 case 33:
 YY_RULE_SETUP
-#line 218 "settings/settings_lexer.l"
+#line 223 "settings/settings_lexer.l"
 yyextra->string_add(yyextra, "\n");
 	YY_BREAK
 case 34:
 YY_RULE_SETUP
-#line 219 "settings/settings_lexer.l"
+#line 224 "settings/settings_lexer.l"
 yyextra->string_add(yyextra, "\r");
 	YY_BREAK
 case 35:
 YY_RULE_SETUP
-#line 220 "settings/settings_lexer.l"
+#line 225 "settings/settings_lexer.l"
 yyextra->string_add(yyextra, "\t");
 	YY_BREAK
 case 36:
 /* rule 36 can match eol */
 YY_RULE_SETUP
-#line 221 "settings/settings_lexer.l"
+#line 226 "settings/settings_lexer.l"
 /* merge lines that end with escaped EOL characters */
 	YY_BREAK
 case 37:
 YY_RULE_SETUP
-#line 222 "settings/settings_lexer.l"
+#line 227 "settings/settings_lexer.l"
 yyextra->string_add(yyextra, yytext+1);
 	YY_BREAK
 case 38:
 /* rule 38 can match eol */
 YY_RULE_SETUP
-#line 223 "settings/settings_lexer.l"
+#line 228 "settings/settings_lexer.l"
 {
 		yyextra->string_add(yyextra, yytext);
 	}
@@ -1469,7 +1656,7 @@ YY_RULE_SETUP
 
 case YY_STATE_EOF(INITIAL):
 case YY_STATE_EOF(ref):
-#line 228 "settings/settings_lexer.l"
+#line 233 "settings/settings_lexer.l"
 {
 	settings_parser_pop_buffer_state(yyscanner);
 	if (!settings_parser_open_next_file(yyextra) && !YY_CURRENT_BUFFER)
@@ -1480,10 +1667,10 @@ case YY_STATE_EOF(ref):
 	YY_BREAK
 case 39:
 YY_RULE_SETUP
-#line 236 "settings/settings_lexer.l"
+#line 241 "settings/settings_lexer.l"
 YY_FATAL_ERROR( "flex scanner jammed" );
 	YY_BREAK
-#line 1487 "settings/settings_lexer.c"
+#line 1674 "settings/settings_lexer.c"
 
 	case YY_END_OF_BUFFER:
 		{
@@ -1499,7 +1686,7 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 			/* 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
-			 * settings_parser_lex().  If so, then we have to assure
+			 * yylex().  If so, then we have to assure
 			 * consistency between YY_CURRENT_BUFFER and our
 			 * globals.  Here is the right place to do so, because
 			 * this is the first action (other than possibly a
@@ -1553,7 +1740,8 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 			else
 				{
 /* %% [14.0] code to do back-up for compressed tables and set up yy_cp goes here */
-				yy_cp = yyg->yy_c_buf_p;
+				yy_cp = yyg->yy_last_accepting_cpos;
+				yy_current_state = yyg->yy_last_accepting_state;
 				goto yy_find_action;
 				}
 			}
@@ -1564,7 +1752,7 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 				{
 				yyg->yy_did_buffer_switch_on_eof = 0;
 
-				if ( settings_parser_wrap(yyscanner ) )
+				if ( yywrap( yyscanner ) )
 					{
 					/* Note: because we've taken care in
 					 * yy_get_next_buffer() to have set up
@@ -1618,12 +1806,11 @@ YY_FATAL_ERROR( "flex scanner jammed" );
 	} /* end of action switch */
 		} /* end of scanning one token */
 	} /* end of user's declarations */
-} /* end of settings_parser_lex */
+} /* end of yylex */
 /* %ok-for-header */
 
 /* %if-c++-only */
 /* %not-for-header */
-
 /* %ok-for-header */
 
 /* %endif */
@@ -1644,7 +1831,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 	char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
 	char *source = yyg->yytext_ptr;
-	yy_size_t number_to_move, i;
+	int number_to_move, i;
 	int ret_val;
 
 	if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] )
@@ -1673,7 +1860,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 	/* Try to read more data. */
 
 	/* First move last chars to start of buffer. */
-	number_to_move = (yy_size_t) (yyg->yy_c_buf_p - yyg->yytext_ptr) - 1;
+	number_to_move = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr - 1);
 
 	for ( i = 0; i < number_to_move; ++i )
 		*(dest++) = *(source++);
@@ -1686,7 +1873,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 
 	else
 		{
-			yy_size_t num_to_read =
+			int num_to_read =
 			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
 
 		while ( num_to_read <= 0 )
@@ -1700,7 +1887,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 
 			if ( b->yy_is_our_buffer )
 				{
-				yy_size_t new_size = b->yy_buf_size * 2;
+				int new_size = b->yy_buf_size * 2;
 
 				if ( new_size <= 0 )
 					b->yy_buf_size += b->yy_buf_size / 8;
@@ -1709,11 +1896,12 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 
 				b->yy_ch_buf = (char *)
 					/* Include room in for 2 EOB chars. */
-					settings_parser_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner );
+					yyrealloc( (void *) b->yy_ch_buf,
+							 (yy_size_t) (b->yy_buf_size + 2) , yyscanner );
 				}
 			else
 				/* Can't grow it, we don't own it. */
-				b->yy_ch_buf = 0;
+				b->yy_ch_buf = NULL;
 
 			if ( ! b->yy_ch_buf )
 				YY_FATAL_ERROR(
@@ -1741,7 +1929,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 		if ( number_to_move == YY_MORE_ADJ )
 			{
 			ret_val = EOB_ACT_END_OF_FILE;
-			settings_parser_restart(yyin  ,yyscanner);
+			yyrestart( yyin  , yyscanner);
 			}
 
 		else
@@ -1755,12 +1943,15 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 	else
 		ret_val = EOB_ACT_CONTINUE_SCAN;
 
-	if ((int) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+	if ((yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
 		/* Extend the array by 50%, plus the number we really need. */
 		int new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);
-		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) settings_parser_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner );
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
+			(void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size , yyscanner );
 		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
 			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+		/* "- 2" to take care of EOB's */
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
 	}
 
 	yyg->yy_n_chars += number_to_move;
@@ -1776,7 +1967,6 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 
 /* %if-c-only */
 /* %not-for-header */
-
     static yy_state_type yy_get_previous_state (yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
@@ -1802,9 +1992,9 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 			{
 			yy_current_state = (int) yy_def[yy_current_state];
 			if ( yy_current_state >= 85 )
-				yy_c = yy_meta[(unsigned int) yy_c];
+				yy_c = yy_meta[yy_c];
 			}
-		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+		yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
 		}
 
 	return yy_current_state;
@@ -1836,9 +2026,9 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 		{
 		yy_current_state = (int) yy_def[yy_current_state];
 		if ( yy_current_state >= 85 )
-			yy_c = yy_meta[(unsigned int) yy_c];
+			yy_c = yy_meta[yy_c];
 		}
-	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+	yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
 	yy_is_jam = (yy_current_state == 84);
 
 	(void)yyg;
@@ -1864,7 +2054,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
 		{ /* need to shift things up to make room */
 		/* +2 for EOB chars. */
-		yy_size_t number_to_move = yyg->yy_n_chars + 2;
+		int number_to_move = yyg->yy_n_chars + 2;
 		char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
 					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
 		char *source =
@@ -1876,7 +2066,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 		yy_cp += (int) (dest - source);
 		yy_bp += (int) (dest - source);
 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
-			yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
+			yyg->yy_n_chars = (int) 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" );
@@ -1928,7 +2118,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 
 		else
 			{ /* need more input */
-			yy_size_t offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
+			int offset = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr);
 			++yyg->yy_c_buf_p;
 
 			switch ( yy_get_next_buffer( yyscanner ) )
@@ -1945,14 +2135,14 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 					 */
 
 					/* Reset buffer status. */
-					settings_parser_restart(yyin ,yyscanner);
+					yyrestart( yyin , yyscanner);
 
 					/*FALLTHROUGH*/
 
 				case EOB_ACT_END_OF_FILE:
 					{
-					if ( settings_parser_wrap(yyscanner ) )
-						return EOF;
+					if ( yywrap( yyscanner ) )
+						return 0;
 
 					if ( ! yyg->yy_did_buffer_switch_on_eof )
 						YY_NEW_FILE;
@@ -1976,7 +2166,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 
 /* %% [19.0] update BOL and yylineno */
 	if ( c == '\n' )
-		   
+		
     do{ yylineno++;
         yycolumn=0;
     }while(0)
@@ -1994,7 +2184,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
  * @note This function does not reset the start condition to @c INITIAL .
  */
 /* %if-c-only */
-    void settings_parser_restart  (FILE * input_file , yyscan_t yyscanner)
+    void yyrestart  (FILE * input_file , yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2002,13 +2192,13 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 
 	if ( ! YY_CURRENT_BUFFER ){
-        settings_parser_ensure_buffer_stack (yyscanner);
+        yyensure_buffer_stack (yyscanner);
 		YY_CURRENT_BUFFER_LVALUE =
-            settings_parser__create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+            yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner);
 	}
 
-	settings_parser__init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
-	settings_parser__load_buffer_state(yyscanner );
+	yy_init_buffer( YY_CURRENT_BUFFER, input_file , yyscanner);
+	yy_load_buffer_state( yyscanner );
 }
 
 /* %if-c++-only */
@@ -2019,7 +2209,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
  * @param yyscanner The scanner object.
  */
 /* %if-c-only */
-    void settings_parser__switch_to_buffer  (YY_BUFFER_STATE  new_buffer , yyscan_t yyscanner)
+    void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer , yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2028,10 +2218,10 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 
 	/* TODO. We should be able to replace this entire function body
 	 * with
-	 *		settings_parser_pop_buffer_state();
-	 *		settings_parser_push_buffer_state(new_buffer);
+	 *		yypop_buffer_state();
+	 *		yypush_buffer_state(new_buffer);
      */
-	settings_parser_ensure_buffer_stack (yyscanner);
+	yyensure_buffer_stack (yyscanner);
 	if ( YY_CURRENT_BUFFER == new_buffer )
 		return;
 
@@ -2044,18 +2234,18 @@ static int yy_get_next_buffer (yyscan_t yyscanner)
 		}
 
 	YY_CURRENT_BUFFER_LVALUE = new_buffer;
-	settings_parser__load_buffer_state(yyscanner );
+	yy_load_buffer_state( yyscanner );
 
 	/* We don't actually know whether we did this switch during
-	 * EOF (settings_parser_wrap()) processing, but the only time this flag
-	 * is looked at is after settings_parser_wrap() is called, so it's safe
+	 * EOF (yywrap()) processing, but the only time this flag
+	 * is looked at is after yywrap() is called, so it's safe
 	 * to go ahead and always set it.
 	 */
 	yyg->yy_did_buffer_switch_on_eof = 1;
 }
 
 /* %if-c-only */
-static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
+static void yy_load_buffer_state  (yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2078,29 +2268,29 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
  * @return the allocated buffer state.
  */
 /* %if-c-only */
-    YY_BUFFER_STATE settings_parser__create_buffer  (FILE * file, int  size , yyscan_t yyscanner)
+    YY_BUFFER_STATE yy_create_buffer  (FILE * file, int  size , yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
 {
 	YY_BUFFER_STATE b;
     
-	b = (YY_BUFFER_STATE) settings_parser_alloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) , yyscanner );
 	if ( ! b )
-		YY_FATAL_ERROR( "out of dynamic memory in settings_parser__create_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
 
-	b->yy_buf_size = (yy_size_t)size;
+	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 *) settings_parser_alloc(b->yy_buf_size + 2 ,yyscanner );
+	b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) , yyscanner );
 	if ( ! b->yy_ch_buf )
-		YY_FATAL_ERROR( "out of dynamic memory in settings_parser__create_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
 
 	b->yy_is_our_buffer = 1;
 
-	settings_parser__init_buffer(b,file ,yyscanner);
+	yy_init_buffer( b, file , yyscanner);
 
 	return b;
 }
@@ -2109,11 +2299,11 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
 /* %endif */
 
 /** Destroy the buffer.
- * @param b a buffer created with settings_parser__create_buffer()
+ * @param b a buffer created with yy_create_buffer()
  * @param yyscanner The scanner object.
  */
 /* %if-c-only */
-    void settings_parser__delete_buffer (YY_BUFFER_STATE  b , yyscan_t yyscanner)
+    void yy_delete_buffer (YY_BUFFER_STATE  b , yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2127,17 +2317,17 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
 		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
 
 	if ( b->yy_is_our_buffer )
-		settings_parser_free((void *) b->yy_ch_buf ,yyscanner );
+		yyfree( (void *) b->yy_ch_buf , yyscanner );
 
-	settings_parser_free((void *) b ,yyscanner );
+	yyfree( (void *) b , yyscanner );
 }
 
 /* Initializes or reinitializes a buffer.
  * This function is sometimes called more than once on the same buffer,
- * such as during a settings_parser_restart() or at EOF.
+ * such as during a yyrestart() or at EOF.
  */
 /* %if-c-only */
-    static void settings_parser__init_buffer  (YY_BUFFER_STATE  b, FILE * file , yyscan_t yyscanner)
+    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file , yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2146,7 +2336,7 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
 	int oerrno = errno;
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 
-	settings_parser__flush_buffer(b ,yyscanner);
+	yy_flush_buffer( b , yyscanner);
 
 /* %if-c-only */
 	b->yy_input_file = file;
@@ -2155,8 +2345,8 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
 /* %endif */
 	b->yy_fill_buffer = 1;
 
-    /* If b is the current buffer, then settings_parser__init_buffer was _probably_
-     * called from settings_parser_restart() or through yy_get_next_buffer.
+    /* If b is the current buffer, then yy_init_buffer was _probably_
+     * called from yyrestart() or through yy_get_next_buffer.
      * In that case, we don't want to reset the lineno or column.
      */
     if (b != YY_CURRENT_BUFFER){
@@ -2166,7 +2356,7 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
 
 /* %if-c-only */
 
-        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+        b->yy_is_interactive = 0;
     
 /* %endif */
 /* %if-c++-only */
@@ -2179,7 +2369,7 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
  * @param yyscanner The scanner object.
  */
 /* %if-c-only */
-    void settings_parser__flush_buffer (YY_BUFFER_STATE  b , yyscan_t yyscanner)
+    void yy_flush_buffer (YY_BUFFER_STATE  b , yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2203,7 +2393,7 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
 	b->yy_buffer_status = YY_BUFFER_NEW;
 
 	if ( b == YY_CURRENT_BUFFER )
-		settings_parser__load_buffer_state(yyscanner );
+		yy_load_buffer_state( yyscanner );
 }
 
 /* %if-c-or-c++ */
@@ -2214,7 +2404,7 @@ static void settings_parser__load_buffer_state  (yyscan_t yyscanner)
  *  @param yyscanner The scanner object.
  */
 /* %if-c-only */
-void settings_parser_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2223,9 +2413,9 @@ void settings_parser_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yy
 	if (new_buffer == NULL)
 		return;
 
-	settings_parser_ensure_buffer_stack(yyscanner);
+	yyensure_buffer_stack(yyscanner);
 
-	/* This block is copied from settings_parser__switch_to_buffer. */
+	/* This block is copied from yy_switch_to_buffer. */
 	if ( YY_CURRENT_BUFFER )
 		{
 		/* Flush out information for old buffer. */
@@ -2239,8 +2429,8 @@ void settings_parser_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yy
 		yyg->yy_buffer_stack_top++;
 	YY_CURRENT_BUFFER_LVALUE = new_buffer;
 
-	/* copied from settings_parser__switch_to_buffer. */
-	settings_parser__load_buffer_state(yyscanner );
+	/* copied from yy_switch_to_buffer. */
+	yy_load_buffer_state( yyscanner );
 	yyg->yy_did_buffer_switch_on_eof = 1;
 }
 /* %endif */
@@ -2251,7 +2441,7 @@ void settings_parser_push_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yy
  *  @param yyscanner The scanner object.
  */
 /* %if-c-only */
-void settings_parser_pop_buffer_state (yyscan_t yyscanner)
+void yypop_buffer_state (yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2260,13 +2450,13 @@ void settings_parser_pop_buffer_state (yyscan_t yyscanner)
 	if (!YY_CURRENT_BUFFER)
 		return;
 
-	settings_parser__delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
+	yy_delete_buffer(YY_CURRENT_BUFFER , yyscanner);
 	YY_CURRENT_BUFFER_LVALUE = NULL;
 	if (yyg->yy_buffer_stack_top > 0)
 		--yyg->yy_buffer_stack_top;
 
 	if (YY_CURRENT_BUFFER) {
-		settings_parser__load_buffer_state(yyscanner );
+		yy_load_buffer_state( yyscanner );
 		yyg->yy_did_buffer_switch_on_eof = 1;
 	}
 }
@@ -2277,7 +2467,7 @@ void settings_parser_pop_buffer_state (yyscan_t yyscanner)
  *  Guarantees space for at least one push.
  */
 /* %if-c-only */
-static void settings_parser_ensure_buffer_stack (yyscan_t yyscanner)
+static void yyensure_buffer_stack (yyscan_t yyscanner)
 /* %endif */
 /* %if-c++-only */
 /* %endif */
@@ -2291,15 +2481,15 @@ static void settings_parser_ensure_buffer_stack (yyscan_t yyscanner)
 		 * 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; /* After all that talk, this was set to 1 anyways... */
-		yyg->yy_buffer_stack = (struct yy_buffer_state**)settings_parser_alloc
+      num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */
+		yyg->yy_buffer_stack = (struct yy_buffer_state**)yyalloc
 								(num_to_alloc * sizeof(struct yy_buffer_state*)
 								, yyscanner);
 		if ( ! yyg->yy_buffer_stack )
-			YY_FATAL_ERROR( "out of dynamic memory in settings_parser_ensure_buffer_stack()" );
-								  
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
 		memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
-				
+
 		yyg->yy_buffer_stack_max = num_to_alloc;
 		yyg->yy_buffer_stack_top = 0;
 		return;
@@ -2311,12 +2501,12 @@ static void settings_parser_ensure_buffer_stack (yyscan_t yyscanner)
 		yy_size_t grow_size = 8 /* arbitrary grow size */;
 
 		num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
-		yyg->yy_buffer_stack = (struct yy_buffer_state**)settings_parser_realloc
+		yyg->yy_buffer_stack = (struct yy_buffer_state**)yyrealloc
 								(yyg->yy_buffer_stack,
 								num_to_alloc * sizeof(struct yy_buffer_state*)
 								, yyscanner);
 		if ( ! yyg->yy_buffer_stack )
-			YY_FATAL_ERROR( "out of dynamic memory in settings_parser_ensure_buffer_stack()" );
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
 
 		/* zero only the new slots.*/
 		memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
@@ -2330,9 +2520,9 @@ static void settings_parser_ensure_buffer_stack (yyscan_t yyscanner)
  * @param base the character buffer
  * @param size the size in bytes of the character buffer
  * @param yyscanner The scanner object.
- * @return the newly allocated buffer state object. 
+ * @return the newly allocated buffer state object.
  */
-YY_BUFFER_STATE settings_parser__scan_buffer  (char * base, yy_size_t  size , yyscan_t yyscanner)
+YY_BUFFER_STATE yy_scan_buffer  (char * base, yy_size_t  size , yyscan_t yyscanner)
 {
 	YY_BUFFER_STATE b;
     
@@ -2340,73 +2530,73 @@ YY_BUFFER_STATE settings_parser__scan_buffer  (char * base, yy_size_t  size , yy
 	     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;
+		return NULL;
 
-	b = (YY_BUFFER_STATE) settings_parser_alloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+	b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) , yyscanner );
 	if ( ! b )
-		YY_FATAL_ERROR( "out of dynamic memory in settings_parser__scan_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
 
-	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
+	b->yy_buf_size = (int) (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_input_file = NULL;
 	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;
 
-	settings_parser__switch_to_buffer(b ,yyscanner );
+	yy_switch_to_buffer( b , yyscanner );
 
 	return b;
 }
 /* %endif */
 
 /* %if-c-only */
-/** Setup the input buffer state to scan a string. The next call to settings_parser_lex() will
+/** Setup the input buffer state to scan a string. The next call to yylex() will
  * scan from a @e copy of @a str.
  * @param yystr a NUL-terminated string to scan
  * @param yyscanner The scanner object.
  * @return the newly allocated buffer state object.
  * @note If you want to scan bytes that may contain NUL values, then use
- *       settings_parser__scan_bytes() instead.
+ *       yy_scan_bytes() instead.
  */
-YY_BUFFER_STATE settings_parser__scan_string (yyconst char * yystr , yyscan_t yyscanner)
+YY_BUFFER_STATE yy_scan_string (const char * yystr , yyscan_t yyscanner)
 {
     
-	return settings_parser__scan_bytes(yystr,strlen(yystr) ,yyscanner);
+	return yy_scan_bytes( yystr, (int) strlen(yystr) , yyscanner);
 }
 /* %endif */
 
 /* %if-c-only */
-/** Setup the input buffer state to scan the given bytes. The next call to settings_parser_lex() will
+/** Setup the input buffer state to scan the given bytes. The next call to yylex() 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.
  * @param yyscanner The scanner object.
  * @return the newly allocated buffer state object.
  */
-YY_BUFFER_STATE settings_parser__scan_bytes  (yyconst char * yybytes, yy_size_t  _yybytes_len , yyscan_t yyscanner)
+YY_BUFFER_STATE yy_scan_bytes  (const char * yybytes, int  _yybytes_len , yyscan_t yyscanner)
 {
 	YY_BUFFER_STATE b;
 	char *buf;
 	yy_size_t n;
-	yy_size_t i;
+	int i;
     
 	/* Get memory for full buffer, including space for trailing EOB's. */
-	n = _yybytes_len + 2;
-	buf = (char *) settings_parser_alloc(n ,yyscanner );
+	n = (yy_size_t) (_yybytes_len + 2);
+	buf = (char *) yyalloc( n , yyscanner );
 	if ( ! buf )
-		YY_FATAL_ERROR( "out of dynamic memory in settings_parser__scan_bytes()" );
+		YY_FATAL_ERROR( "out of dynamic memory in yy_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 = settings_parser__scan_buffer(buf,n ,yyscanner);
+	b = yy_scan_buffer( buf, n , yyscanner);
 	if ( ! b )
-		YY_FATAL_ERROR( "bad buffer in settings_parser__scan_bytes()" );
+		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
 
 	/* It's okay to grow etc. this buffer, and we should throw it
 	 * away when we're done.
@@ -2429,13 +2619,14 @@ YY_BUFFER_STATE settings_parser__scan_bytes  (yyconst char * yybytes, yy_size_t
 		yy_size_t new_size;
 
 		yyg->yy_start_stack_depth += YY_START_STACK_INCR;
-		new_size = yyg->yy_start_stack_depth * sizeof( int );
+		new_size = (yy_size_t) yyg->yy_start_stack_depth * sizeof( int );
 
 		if ( ! yyg->yy_start_stack )
-			yyg->yy_start_stack = (int *) settings_parser_alloc(new_size ,yyscanner );
+			yyg->yy_start_stack = (int *) yyalloc( new_size , yyscanner );
 
 		else
-			yyg->yy_start_stack = (int *) settings_parser_realloc((void *) yyg->yy_start_stack,new_size ,yyscanner );
+			yyg->yy_start_stack = (int *) yyrealloc(
+					(void *) yyg->yy_start_stack, new_size , yyscanner );
 
 		if ( ! yyg->yy_start_stack )
 			YY_FATAL_ERROR( "out of memory expanding start-condition stack" );
@@ -2474,11 +2665,11 @@ YY_BUFFER_STATE settings_parser__scan_bytes  (yyconst char * yybytes, yy_size_t
 #endif
 
 /* %if-c-only */
-static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner)
+static void yynoreturn yy_fatal_error (const char* msg , yyscan_t yyscanner)
 {
 	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 	(void)yyg;
-	(void) fprintf( stderr, "%s\n", msg );
+	fprintf( stderr, "%s\n", msg );
 	exit( YY_EXIT_FAILURE );
 }
 /* %endif */
@@ -2510,7 +2701,7 @@ static void yy_fatal_error (yyconst char* msg , yyscan_t yyscanner)
 /** Get the user-defined data for this scanner.
  * @param yyscanner The scanner object.
  */
-YY_EXTRA_TYPE settings_parser_get_extra  (yyscan_t yyscanner)
+YY_EXTRA_TYPE yyget_extra  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     return yyextra;
@@ -2521,10 +2712,10 @@ YY_EXTRA_TYPE settings_parser_get_extra  (yyscan_t yyscanner)
 /** Get the current line number.
  * @param yyscanner The scanner object.
  */
-int settings_parser_get_lineno  (yyscan_t yyscanner)
+int yyget_lineno  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
-    
+
         if (! YY_CURRENT_BUFFER)
             return 0;
     
@@ -2534,10 +2725,10 @@ int settings_parser_get_lineno  (yyscan_t yyscanner)
 /** Get the current column number.
  * @param yyscanner The scanner object.
  */
-int settings_parser_get_column  (yyscan_t yyscanner)
+int yyget_column  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
-    
+
         if (! YY_CURRENT_BUFFER)
             return 0;
     
@@ -2547,7 +2738,7 @@ int settings_parser_get_column  (yyscan_t yyscanner)
 /** Get the input stream.
  * @param yyscanner The scanner object.
  */
-FILE *settings_parser_get_in  (yyscan_t yyscanner)
+FILE *yyget_in  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     return yyin;
@@ -2556,7 +2747,7 @@ FILE *settings_parser_get_in  (yyscan_t yyscanner)
 /** Get the output stream.
  * @param yyscanner The scanner object.
  */
-FILE *settings_parser_get_out  (yyscan_t yyscanner)
+FILE *yyget_out  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     return yyout;
@@ -2565,7 +2756,7 @@ FILE *settings_parser_get_out  (yyscan_t yyscanner)
 /** Get the length of the current token.
  * @param yyscanner The scanner object.
  */
-yy_size_t settings_parser_get_leng  (yyscan_t yyscanner)
+int yyget_leng  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     return yyleng;
@@ -2575,7 +2766,7 @@ yy_size_t settings_parser_get_leng  (yyscan_t yyscanner)
  * @param yyscanner The scanner object.
  */
 
-char *settings_parser_get_text  (yyscan_t yyscanner)
+char *yyget_text  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     return yytext;
@@ -2587,7 +2778,7 @@ char *settings_parser_get_text  (yyscan_t yyscanner)
  * @param user_defined The data to be associated with this scanner.
  * @param yyscanner The scanner object.
  */
-void settings_parser_set_extra (YY_EXTRA_TYPE  user_defined , yyscan_t yyscanner)
+void yyset_extra (YY_EXTRA_TYPE  user_defined , yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     yyextra = user_defined ;
@@ -2599,13 +2790,13 @@ void settings_parser_set_extra (YY_EXTRA_TYPE  user_defined , yyscan_t yyscanner
  * @param _line_number line number
  * @param yyscanner The scanner object.
  */
-void settings_parser_set_lineno (int  _line_number , yyscan_t yyscanner)
+void yyset_lineno (int  _line_number , yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 
         /* lineno is only valid if an input buffer exists. */
         if (! YY_CURRENT_BUFFER )
-           YY_FATAL_ERROR( "settings_parser_set_lineno called with no buffer" );
+           YY_FATAL_ERROR( "yyset_lineno called with no buffer" );
     
     yylineno = _line_number;
 }
@@ -2614,13 +2805,13 @@ void settings_parser_set_lineno (int  _line_number , yyscan_t yyscanner)
  * @param _column_no column number
  * @param yyscanner The scanner object.
  */
-void settings_parser_set_column (int  _column_no , yyscan_t yyscanner)
+void yyset_column (int  _column_no , yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 
         /* column is only valid if an input buffer exists. */
         if (! YY_CURRENT_BUFFER )
-           YY_FATAL_ERROR( "settings_parser_set_column called with no buffer" );
+           YY_FATAL_ERROR( "yyset_column called with no buffer" );
     
     yycolumn = _column_no;
 }
@@ -2629,27 +2820,27 @@ void settings_parser_set_column (int  _column_no , yyscan_t yyscanner)
  * input buffer.
  * @param _in_str A readable stream.
  * @param yyscanner The scanner object.
- * @see settings_parser__switch_to_buffer
+ * @see yy_switch_to_buffer
  */
-void settings_parser_set_in (FILE *  _in_str , yyscan_t yyscanner)
+void yyset_in (FILE *  _in_str , yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     yyin = _in_str ;
 }
 
-void settings_parser_set_out (FILE *  _out_str , yyscan_t yyscanner)
+void yyset_out (FILE *  _out_str , yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     yyout = _out_str ;
 }
 
-int settings_parser_get_debug  (yyscan_t yyscanner)
+int yyget_debug  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     return yy_flex_debug;
 }
 
-void settings_parser_set_debug (int  _bdebug , yyscan_t yyscanner)
+void yyset_debug (int  _bdebug , yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     yy_flex_debug = _bdebug ;
@@ -2662,13 +2853,13 @@ void settings_parser_set_debug (int  _bdebug , yyscan_t yyscanner)
 
 /* %if-bison-bridge */
 
-YYSTYPE * settings_parser_get_lval  (yyscan_t yyscanner)
+YYSTYPE * yyget_lval  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     return yylval;
 }
 
-void settings_parser_set_lval (YYSTYPE *  yylval_param , yyscan_t yyscanner)
+void yyset_lval (YYSTYPE *  yylval_param , yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     yylval = yylval_param;
@@ -2678,20 +2869,18 @@ void settings_parser_set_lval (YYSTYPE *  yylval_param , yyscan_t yyscanner)
 
 /* User-visible API */
 
-/* settings_parser_lex_init is special because it creates the scanner itself, so it is
+/* yylex_init is special because it creates the scanner itself, so it is
  * the ONLY reentrant function that doesn't take the scanner as the last argument.
  * That's why we explicitly handle the declaration, instead of using our macros.
  */
-
-int settings_parser_lex_init(yyscan_t* ptr_yy_globals)
-
+int yylex_init(yyscan_t* ptr_yy_globals)
 {
     if (ptr_yy_globals == NULL){
         errno = EINVAL;
         return 1;
     }
 
-    *ptr_yy_globals = (yyscan_t) settings_parser_alloc ( sizeof( struct yyguts_t ), NULL );
+    *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), NULL );
 
     if (*ptr_yy_globals == NULL){
         errno = ENOMEM;
@@ -2704,39 +2893,37 @@ int settings_parser_lex_init(yyscan_t* ptr_yy_globals)
     return yy_init_globals ( *ptr_yy_globals );
 }
 
-/* settings_parser_lex_init_extra has the same functionality as settings_parser_lex_init, but follows the
+/* yylex_init_extra has the same functionality as yylex_init, but follows the
  * convention of taking the scanner as the last argument. Note however, that
  * this is a *pointer* to a scanner, as it will be allocated by this call (and
  * is the reason, too, why this function also must handle its own declaration).
- * The user defined value in the first argument will be available to settings_parser_alloc in
+ * The user defined value in the first argument will be available to yyalloc in
  * the yyextra field.
  */
-
-int settings_parser_lex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals )
-
+int yylex_init_extra( YY_EXTRA_TYPE yy_user_defined, yyscan_t* ptr_yy_globals )
 {
     struct yyguts_t dummy_yyguts;
 
-    settings_parser_set_extra (yy_user_defined, &dummy_yyguts);
+    yyset_extra (yy_user_defined, &dummy_yyguts);
 
     if (ptr_yy_globals == NULL){
         errno = EINVAL;
         return 1;
     }
-	
-    *ptr_yy_globals = (yyscan_t) settings_parser_alloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
-	
+
+    *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
+
     if (*ptr_yy_globals == NULL){
         errno = ENOMEM;
         return 1;
     }
-    
+
     /* By setting to 0xAA, we expose bugs in
     yy_init_globals. Leave at 0x00 for releases. */
     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
-    
-    settings_parser_set_extra (yy_user_defined, *ptr_yy_globals);
-    
+
+    yyset_extra (yy_user_defined, *ptr_yy_globals);
+
     return yy_init_globals ( *ptr_yy_globals );
 }
 
@@ -2747,13 +2934,13 @@ static int yy_init_globals (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
     /* Initialization is the same as for the non-reentrant scanner.
-     * This function is called from settings_parser_lex_destroy(), so don't allocate here.
+     * This function is called from yylex_destroy(), so don't allocate here.
      */
 
-    yyg->yy_buffer_stack = 0;
+    yyg->yy_buffer_stack = NULL;
     yyg->yy_buffer_stack_top = 0;
     yyg->yy_buffer_stack_max = 0;
-    yyg->yy_c_buf_p = (char *) 0;
+    yyg->yy_c_buf_p = NULL;
     yyg->yy_init = 0;
     yyg->yy_start = 0;
 
@@ -2766,45 +2953,45 @@ static int yy_init_globals (yyscan_t yyscanner)
     yyin = stdin;
     yyout = stdout;
 #else
-    yyin = (FILE *) 0;
-    yyout = (FILE *) 0;
+    yyin = NULL;
+    yyout = NULL;
 #endif
 
     /* For future reference: Set errno on error, since we are called by
-     * settings_parser_lex_init()
+     * yylex_init()
      */
     return 0;
 }
 /* %endif */
 
 /* %if-c-only SNIP! this currently causes conflicts with the c++ scanner */
-/* settings_parser_lex_destroy is for both reentrant and non-reentrant scanners. */
-int settings_parser_lex_destroy  (yyscan_t yyscanner)
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy  (yyscan_t yyscanner)
 {
     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 
     /* Pop the buffer stack, destroying each element. */
 	while(YY_CURRENT_BUFFER){
-		settings_parser__delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
+		yy_delete_buffer( YY_CURRENT_BUFFER , yyscanner );
 		YY_CURRENT_BUFFER_LVALUE = NULL;
-		settings_parser_pop_buffer_state(yyscanner);
+		yypop_buffer_state(yyscanner);
 	}
 
 	/* Destroy the stack itself. */
-	settings_parser_free(yyg->yy_buffer_stack ,yyscanner);
+	yyfree(yyg->yy_buffer_stack , yyscanner);
 	yyg->yy_buffer_stack = NULL;
 
     /* Destroy the start condition stack. */
-        settings_parser_free(yyg->yy_start_stack ,yyscanner );
+        yyfree( yyg->yy_start_stack , yyscanner );
         yyg->yy_start_stack = NULL;
 
     /* Reset the globals. This is important in a non-reentrant scanner so the next time
-     * settings_parser_lex() is called, initialization will occur. */
+     * yylex() is called, initialization will occur. */
     yy_init_globals( yyscanner);
 
 /* %if-reentrant */
     /* Destroy the main struct (reentrant only). */
-    settings_parser_free ( yyscanner , yyscanner );
+    yyfree ( yyscanner , yyscanner );
     yyscanner = NULL;
 /* %endif */
     return 0;
@@ -2816,7 +3003,7 @@ int settings_parser_lex_destroy  (yyscan_t yyscanner)
  */
 
 #ifndef yytext_ptr
-static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
+static void yy_flex_strncpy (char* s1, const char * s2, int n , yyscan_t yyscanner)
 {
 	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 	(void)yyg;
@@ -2828,7 +3015,7 @@ static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yysca
 #endif
 
 #ifdef YY_NEED_STRLEN
-static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
+static int yy_flex_strlen (const char * s , yyscan_t yyscanner)
 {
 	int n;
 	for ( n = 0; s[n]; ++n )
@@ -2838,14 +3025,14 @@ static int yy_flex_strlen (yyconst char * s , yyscan_t yyscanner)
 }
 #endif
 
-void *settings_parser_alloc (yy_size_t  size , yyscan_t yyscanner)
+void *yyalloc (yy_size_t  size , yyscan_t yyscanner)
 {
 	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 	(void)yyg;
-	return (void *) malloc( size );
+	return malloc(size);
 }
 
-void *settings_parser_realloc  (void * ptr, yy_size_t  size , yyscan_t yyscanner)
+void *yyrealloc  (void * ptr, yy_size_t  size , yyscan_t yyscanner)
 {
 	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 	(void)yyg;
@@ -2857,14 +3044,14 @@ void *settings_parser_realloc  (void * ptr, yy_size_t  size , yyscan_t yyscanner
 	 * any pointer type to void*, and deal with argument conversions
 	 * as though doing an assignment.
 	 */
-	return (void *) realloc( (char *) ptr, size );
+	return realloc(ptr, size);
 }
 
-void settings_parser_free (void * ptr , yyscan_t yyscanner)
+void yyfree (void * ptr , yyscan_t yyscanner)
 {
 	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
 	(void)yyg;
-	free( (char *) ptr );	/* see settings_parser_realloc() for (char *) cast */
+	free( (char *) ptr );	/* see yyrealloc() for (char *) cast */
 }
 
 /* %if-tables-serialization definitions */
@@ -2874,8 +3061,7 @@ void settings_parser_free (void * ptr , yyscan_t yyscanner)
 
 /* %ok-for-header */
 
-#line 236 "settings/settings_lexer.l"
-
+#line 241 "settings/settings_lexer.l"
 
 
 /**
diff --git a/src/libstrongswan/settings/settings_lexer.l b/src/libstrongswan/settings/settings_lexer.l
index 19ab8d7b2..e8c2b9884 100644
--- a/src/libstrongswan/settings/settings_lexer.l
+++ b/src/libstrongswan/settings/settings_lexer.l
@@ -32,6 +32,11 @@ static void include_files(parser_helper_t *ctx);
 /* do not declare unneeded functions */
 %option noinput noyywrap
 
+/* do not include unistd.h as it might conflict with our scanner states */
+%option nounistd
+/* due to that disable interactive mode, which requires isatty() */
+%option never-interactive
+
 /* don't use global variables, and interact properly with bison */
 %option reentrant bison-bridge