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Commit 11ddad39 authored by Adrian Bunk's avatar Adrian Bunk Committed by Sam Ravnborg
Browse files

kbuild: scripts/genksyms/lex.l: add %option noinput 



gcc 4.3 correctly determines that input() is unused and gives the
following warning:

<--  snip  -->

...
  HOSTCC  scripts/genksyms/lex.o
scripts/genksyms/lex.c:1487: warning: ‘input’ defined but not used
...

<--  snip  -->

Fix it by adding %option noinput to scripts/genksyms/lex.l and
regeneration of scripts/genksyms/lex.c_shipped.

Signed-off-by: default avatarAdrian Bunk <bunk@kernel.org>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent be2be1d5

scripts/genksyms/lex.c_shipped

+86 −47
Original line number Diff line number Diff line
@@ -6,10 +6,19 @@ 


/* A lexical scanner generated by flex */



/* %not-for-header */



/* %if-c-only */

/* %if-not-reentrant */



/* %endif */

/* %endif */

/* %ok-for-header */



#define FLEX_SCANNER

#define YY_FLEX_MAJOR_VERSION 2

#define YY_FLEX_MINOR_VERSION 5

#define YY_FLEX_SUBMINOR_VERSION 33

#define YY_FLEX_SUBMINOR_VERSION 35

#if YY_FLEX_SUBMINOR_VERSION > 0

#define FLEX_BETA

#endif
@@ -47,7 +56,7 @@ 


/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */



#if __STDC_VERSION__ >= 199901L

#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.
@@ -70,7 +79,6 @@ 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
@@ -101,6 +109,8 @@ typedef unsigned int flex_uint32_t; 
#define UINT32_MAX             (4294967295U)

#endif



#endif /* ! C99 */



#endif /* ! FLEXINT_H */



/* %endif */
@@ -115,11 +125,12 @@ typedef unsigned int flex_uint32_t; 


#else	/* ! __cplusplus */



#if __STDC__

/* C99 requires __STDC__ to be defined as 1. */

#if defined (__STDC__)



#define YY_USE_CONST



#endif	/* __STDC__ */

#endif	/* defined (__STDC__) */

#endif	/* ! __cplusplus */



#ifdef YY_USE_CONST
@@ -218,14 +229,9 @@ extern FILE *yyin, *yyout; 


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



/* The following is because we cannot portably get our hands on size_t

 * (without autoconf's help, which isn't available because we want

 * flex-generated scanners to compile on their own).

 */



#ifndef YY_TYPEDEF_YY_SIZE_T

#define YY_TYPEDEF_YY_SIZE_T

typedef unsigned int yy_size_t;

typedef size_t yy_size_t;

#endif



#ifndef YY_STRUCT_YY_BUFFER_STATE
@@ -401,7 +407,7 @@ void yyfree (void * ); 
/* %% [1.0] yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here */

/* Begin user sect3 */



#define yywrap() 1

#define yywrap(n) 1

#define YY_SKIP_YYWRAP



#define FLEX_DEBUG
@@ -613,8 +619,8 @@ int yy_flex_debug = 1; 


static yyconst flex_int16_t yy_rule_linenum[13] =

    {   0,

       69,   70,   71,   74,   77,   78,   79,   85,   86,   87,

       89,   92

       71,   72,   73,   76,   79,   80,   81,   87,   88,   89,

       91,   94

    } ;



/* The intent behind this definition is that it'll catch
@@ -665,7 +671,8 @@ char *yytext; 
   quite so pedantic.  */



/* We don't do multiple input files.  */

#line 669 "scripts/genksyms/lex.c"

#define YY_NO_INPUT 1

#line 676 "scripts/genksyms/lex.c"



#define INITIAL 0

#define V2_TOKENS 1
@@ -695,9 +702,39 @@ static int yy_init_globals (void ); 
/* %endif */

/* %if-reentrant */

/* %endif */

/* %endif End reentrant structures and macros. */



/* Accessor methods to globals.

   These are made visible to non-reentrant scanners for convenience. */



int yylex_destroy (void );



int yyget_debug (void );



void yyset_debug (int debug_flag  );



YY_EXTRA_TYPE yyget_extra (void );



void yyset_extra (YY_EXTRA_TYPE user_defined  );



FILE *yyget_in (void );



void yyset_in  (FILE * in_str  );



FILE *yyget_out (void );



void yyset_out  (FILE * out_str  );



int yyget_leng (void );



char *yyget_text (void );



int yyget_lineno (void );



void yyset_lineno (int line_number  );



/* %if-bison-bridge */

/* %endif */

/* %endif End reentrant structures and macros. */



/* Macros after this point can all be overridden by user definitions in

 * section 1.
@@ -756,7 +793,7 @@ static int input (void ); 
/* This used to be an fputs(), but since the string might contain NUL's,

 * we now use fwrite().

 */

#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )

#define ECHO fwrite( yytext, yyleng, 1, yyout )

/* %endif */

/* %if-c++-only C++ definition */

/* %endif */
@@ -881,12 +918,12 @@ YY_DECL 
	register int yy_act;

    

/* %% [7.0] user's declarations go here */

#line 65 "scripts/genksyms/lex.l"

#line 67 "scripts/genksyms/lex.l"







 /* Keep track of our location in the original source files.  */

#line 890 "scripts/genksyms/lex.c"

#line 927 "scripts/genksyms/lex.c"



	if ( !(yy_init) )

		{
@@ -1004,42 +1041,42 @@ do_action: /* This label is used only to access EOF actions. */ 
case 1:

/* rule 1 can match eol */

YY_RULE_SETUP

#line 69 "scripts/genksyms/lex.l"

#line 71 "scripts/genksyms/lex.l"

return FILENAME;

	YY_BREAK

case 2:

/* rule 2 can match eol */

YY_RULE_SETUP

#line 70 "scripts/genksyms/lex.l"

#line 72 "scripts/genksyms/lex.l"

cur_line++;

	YY_BREAK

case 3:

/* rule 3 can match eol */

YY_RULE_SETUP

#line 71 "scripts/genksyms/lex.l"

#line 73 "scripts/genksyms/lex.l"

cur_line++;

	YY_BREAK

/* Ignore all other whitespace.  */

case 4:

YY_RULE_SETUP

#line 74 "scripts/genksyms/lex.l"

#line 76 "scripts/genksyms/lex.l"

;

	YY_BREAK

case 5:

/* rule 5 can match eol */

YY_RULE_SETUP

#line 77 "scripts/genksyms/lex.l"

#line 79 "scripts/genksyms/lex.l"

return STRING;

	YY_BREAK

case 6:

/* rule 6 can match eol */

YY_RULE_SETUP

#line 78 "scripts/genksyms/lex.l"

#line 80 "scripts/genksyms/lex.l"

return CHAR;

	YY_BREAK

case 7:

YY_RULE_SETUP

#line 79 "scripts/genksyms/lex.l"

#line 81 "scripts/genksyms/lex.l"

return IDENT;

	YY_BREAK

/* The Pedant requires that the other C multi-character tokens be
@@ -1048,36 +1085,36 @@ return IDENT; 
    around them properly.  */

case 8:

YY_RULE_SETUP

#line 85 "scripts/genksyms/lex.l"

#line 87 "scripts/genksyms/lex.l"

return OTHER;

	YY_BREAK

case 9:

YY_RULE_SETUP

#line 86 "scripts/genksyms/lex.l"

#line 88 "scripts/genksyms/lex.l"

return INT;

	YY_BREAK

case 10:

YY_RULE_SETUP

#line 87 "scripts/genksyms/lex.l"

#line 89 "scripts/genksyms/lex.l"

return REAL;

	YY_BREAK

case 11:

YY_RULE_SETUP

#line 89 "scripts/genksyms/lex.l"

#line 91 "scripts/genksyms/lex.l"

return DOTS;

	YY_BREAK

/* All other tokens are single characters.  */

case 12:

YY_RULE_SETUP

#line 92 "scripts/genksyms/lex.l"

#line 94 "scripts/genksyms/lex.l"

return yytext[0];

	YY_BREAK

case 13:

YY_RULE_SETUP

#line 95 "scripts/genksyms/lex.l"

#line 97 "scripts/genksyms/lex.l"

ECHO;

	YY_BREAK

#line 1081 "scripts/genksyms/lex.c"

#line 1118 "scripts/genksyms/lex.c"

case YY_STATE_EOF(INITIAL):

case YY_STATE_EOF(V2_TOKENS):

	yyterminate();
@@ -1346,6 +1383,14 @@ static int yy_get_next_buffer (void) 
	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 *) yyrealloc((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;
@@ -1851,6 +1896,8 @@ static void yyensure_buffer_stack (void) 
		(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc

								(num_to_alloc * sizeof(struct yy_buffer_state*)

								);

		if ( ! (yy_buffer_stack) )

			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );

								  

		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
@@ -1869,6 +1916,8 @@ static void yyensure_buffer_stack (void) 
								((yy_buffer_stack),

								num_to_alloc * sizeof(struct yy_buffer_state*)

								);

		if ( ! (yy_buffer_stack) )

			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );



		/* zero only the new slots.*/

		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
@@ -2092,7 +2141,7 @@ void yyset_debug (int bdebug ) 
/* %if-reentrant */

/* %if-bison-bridge */

/* %endif */

/* %endif */

/* %endif if-c-only */



/* %if-c-only */

static int yy_init_globals (void)
@@ -2124,13 +2173,9 @@ static int yy_init_globals (void) 
}

/* %endif */



/* %if-c-or-c++ */

/* %if-c-only */

/* %if-c-only SNIP! this currently causes conflicts with the c++ scanner */

/* yylex_destroy is for both reentrant and non-reentrant scanners. */

int yylex_destroy  (void)

/* %endif */

/* %if-c++-only */

/* %endif */

{

    

    /* Pop the buffer stack, destroying each element. */
@@ -2144,11 +2189,6 @@ int yylex_destroy (void) 
	yyfree((yy_buffer_stack) );

	(yy_buffer_stack) = NULL;



/* %if-c++-only */

/* %endif */



/* %if-c-only */



    /* Reset the globals. This is important in a non-reentrant scanner so the next time

     * yylex() is called, initialization will occur. */

    yy_init_globals( );
@@ -2156,7 +2196,6 @@ int yylex_destroy (void) 
/* %if-reentrant */

/* %endif */

    return 0;

/* %endif */

}

/* %endif */
@@ -2213,7 +2252,7 @@ void yyfree (void * ptr ) 


/* %ok-for-header */



#line 95 "scripts/genksyms/lex.l"

#line 97 "scripts/genksyms/lex.l"

scripts/genksyms/lex.l

+2 −0
Original line number Diff line number Diff line
@@ -62,6 +62,8 @@ MC_TOKEN ([~%^&*+=|<>/-]=)|(&&)|("||")|(->)|(<<)|(>>) 
/* We don't do multiple input files.  */

%option noyywrap



%option noinput



%%