* Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.

%{
/* $NetBSD: nslexer.l,v 1.13 2012/06/25 22:32:45 abs Exp $ */

/*-
* Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Luke Mewburn.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: nslexer.l,v 1.13 2012/06/25 22:32:45 abs Exp $");
#endif /* LIBC_SCCS and not lint */

#include "namespace.h"
#include <ctype.h>
#define _NS_PRIVATE
#include <nsswitch.h>
#include <string.h>
#include <syslog.h>

#include "nsparser.h"

%}

%option yylineno nounput noinput
%option never-interactive

BLANK [ \t]
CR \n
STRING [a-zA-Z][a-zA-Z0-9_]*

%%

{BLANK}+ ; /* skip whitespace */

#.* ; /* skip comments */

\\{CR} ; /* allow continuation */

{CR} return NL;

[sS][uU][cC][cC][eE][sS][sS] return SUCCESS;
[uU][nN][aA][vV][aA][iI][lL] return UNAVAIL;
[nN][oO][tT][fF][oO][uU][nN][dD] return NOTFOUND;
[tT][rR][yY][aA][gG][aA][iI][nN] return TRYAGAIN;

[rR][eE][tT][uU][rR][nN] return RETURN;
[cC][oO][nN][tT][iI][nN][uU][eE] return CONTINUE;

{STRING} {
char *p;
size_t i;

if ((p = strdup(yytext)) == NULL) {
syslog(LOG_ERR, "libc nsdispatch: %m");
return NL;
}

for (i = 0; i < strlen(p); i++) {
if (isupper((unsigned char)p[i]))
p[i] = tolower((unsigned char)p[i]);
}
_nsyylval.str = p;
return STRING;
}

return yytext[0];

%%

#undef _nsyywrap
int
_nsyywrap(void)
{
return 1;
} /* _nsyywrap */

void
_nsyyerror(const char *msg)
{

syslog(LOG_WARNING, "libc nsdispatch: %s line %d: %s at '%s'",
_PATH_NS_CONF, yylineno, msg, yytext);
} /* _nsyyerror */