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nslexer.l revision 1.11.6.2 
      1       1.2     lukem %{
      2  1.11.6.2      yamt /*	$NetBSD: nslexer.l,v 1.11.6.2 2012/10/30 18:58:53 yamt Exp $	*/
      3       1.2     lukem 
      4       1.2     lukem /*-
      5       1.2     lukem  * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc.
      6       1.2     lukem  * All rights reserved.
      7       1.2     lukem  *
      8       1.2     lukem  * This code is derived from software contributed to The NetBSD Foundation
      9       1.2     lukem  * by Luke Mewburn.
     10       1.2     lukem  *
     11       1.2     lukem  * Redistribution and use in source and binary forms, with or without
     12       1.2     lukem  * modification, are permitted provided that the following conditions
     13       1.2     lukem  * are met:
     14       1.2     lukem  * 1. Redistributions of source code must retain the above copyright
     15       1.2     lukem  *    notice, this list of conditions and the following disclaimer.
     16       1.2     lukem  * 2. Redistributions in binary form must reproduce the above copyright
     17       1.2     lukem  *    notice, this list of conditions and the following disclaimer in the
     18       1.2     lukem  *    documentation and/or other materials provided with the distribution.
     19       1.2     lukem  *
     20       1.2     lukem  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21       1.2     lukem  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22       1.2     lukem  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23       1.2     lukem  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24       1.2     lukem  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25       1.2     lukem  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26       1.2     lukem  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27       1.2     lukem  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28       1.2     lukem  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29       1.2     lukem  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30       1.2     lukem  * POSSIBILITY OF SUCH DAMAGE.
     31       1.2     lukem  */
     32       1.3     lukem 
     33       1.3     lukem #include <sys/cdefs.h>
     34       1.3     lukem #if defined(LIBC_SCCS) && !defined(lint)
     35  1.11.6.2      yamt __RCSID("$NetBSD: nslexer.l,v 1.11.6.2 2012/10/30 18:58:53 yamt Exp $");
     36       1.3     lukem #endif /* LIBC_SCCS and not lint */
     37       1.2     lukem 
     38       1.4    kleink #include "namespace.h"
     39       1.2     lukem #include <ctype.h>
     40       1.2     lukem #define _NS_PRIVATE
     41       1.2     lukem #include <nsswitch.h>
     42       1.2     lukem #include <string.h>
     43       1.7     lukem #include <syslog.h>
     44       1.2     lukem 
     45       1.2     lukem #include "nsparser.h"
     46       1.2     lukem 
     47       1.2     lukem %}
     48       1.2     lukem 
     49      1.11  christos %option yylineno nounput noinput
     50       1.7     lukem %option never-interactive
     51       1.2     lukem 
     52       1.2     lukem BLANK		[ \t]
     53       1.2     lukem CR		\n
     54       1.2     lukem STRING		[a-zA-Z][a-zA-Z0-9_]*
     55       1.2     lukem 
     56       1.2     lukem %%
     57       1.2     lukem 
     58       1.2     lukem {BLANK}+	;			/* skip whitespace */
     59       1.2     lukem 
     60       1.2     lukem #.*		;			/* skip comments */
     61       1.2     lukem 
     62       1.2     lukem \\{CR}		;			/* allow continuation */
     63       1.2     lukem 
     64       1.2     lukem {CR}		return NL;
     65       1.2     lukem 
     66       1.2     lukem [sS][uU][cC][cC][eE][sS][sS]		return SUCCESS;
     67       1.2     lukem [uU][nN][aA][vV][aA][iI][lL]		return UNAVAIL;
     68       1.2     lukem [nN][oO][tT][fF][oO][uU][nN][dD]	return NOTFOUND;
     69       1.2     lukem [tT][rR][yY][aA][gG][aA][iI][nN]	return TRYAGAIN;
     70       1.2     lukem 
     71       1.2     lukem [rR][eE][tT][uU][rR][nN]		return RETURN;
     72       1.2     lukem [cC][oO][nN][tT][iI][nN][uU][eE]	return CONTINUE;
     73       1.2     lukem 
     74       1.2     lukem {STRING}	{
     75       1.2     lukem 			char *p;
     76       1.6   thorpej 			size_t i;
     77       1.2     lukem 
     78       1.7     lukem 			if ((p = strdup(yytext)) == NULL) {
     79       1.7     lukem 				syslog(LOG_ERR, "libc nsdispatch: %m");
     80       1.7     lukem 				return NL;
     81       1.7     lukem 			}
     82       1.2     lukem 
     83       1.2     lukem 			for (i = 0; i < strlen(p); i++) {
     84       1.2     lukem 				if (isupper((unsigned char)p[i]))
     85       1.2     lukem 					p[i] = tolower((unsigned char)p[i]);
     86       1.2     lukem 			}
     87       1.2     lukem 			_nsyylval.str = p;
     88       1.2     lukem 			return STRING;
     89       1.2     lukem 		}
     90       1.2     lukem 
     91       1.5     lukem .		return yytext[0];
     92       1.2     lukem 
     93       1.2     lukem %%
     94       1.2     lukem 
     95       1.2     lukem #undef _nsyywrap
     96       1.2     lukem int
     97  1.11.6.1      yamt _nsyywrap(void)
     98       1.2     lukem {
     99       1.2     lukem 	return 1;
    100       1.2     lukem } /* _nsyywrap */
    101       1.2     lukem 
    102       1.2     lukem void
    103  1.11.6.2      yamt _nsyyerror(const char *msg)
    104       1.2     lukem {
    105       1.2     lukem 
    106       1.7     lukem 	 syslog(LOG_WARNING, "libc nsdispatch: %s line %d: %s at '%s'",
    107       1.7     lukem 	    _PATH_NS_CONF, yylineno, msg, yytext);
    108       1.2     lukem } /* _nsyyerror */
    109