Home | History | Annotate | Line # | Download | only in net
nslexer.l revision 1.8 
      1  1.2    lukem %{
      2  1.8   martin /*	$NetBSD: nslexer.l,v 1.8 2008/04/28 20:23:00 martin 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  1.8   martin __RCSID("$NetBSD: nslexer.l,v 1.8 2008/04/28 20:23:00 martin 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 #define YY_NO_UNPUT
     48  1.2    lukem 
     49  1.2    lukem %}
     50  1.2    lukem 
     51  1.2    lukem %option yylineno
     52  1.7    lukem %option never-interactive
     53  1.2    lukem 
     54  1.2    lukem BLANK		[ \t]
     55  1.2    lukem CR		\n
     56  1.2    lukem STRING		[a-zA-Z][a-zA-Z0-9_]*
     57  1.2    lukem 
     58  1.2    lukem %%
     59  1.2    lukem 
     60  1.2    lukem {BLANK}+	;			/* skip whitespace */
     61  1.2    lukem 
     62  1.2    lukem #.*		;			/* skip comments */
     63  1.2    lukem 
     64  1.2    lukem \\{CR}		;			/* allow continuation */
     65  1.2    lukem 
     66  1.2    lukem {CR}		return NL;
     67  1.2    lukem 
     68  1.2    lukem [sS][uU][cC][cC][eE][sS][sS]		return SUCCESS;
     69  1.2    lukem [uU][nN][aA][vV][aA][iI][lL]		return UNAVAIL;
     70  1.2    lukem [nN][oO][tT][fF][oO][uU][nN][dD]	return NOTFOUND;
     71  1.2    lukem [tT][rR][yY][aA][gG][aA][iI][nN]	return TRYAGAIN;
     72  1.2    lukem 
     73  1.2    lukem [rR][eE][tT][uU][rR][nN]		return RETURN;
     74  1.2    lukem [cC][oO][nN][tT][iI][nN][uU][eE]	return CONTINUE;
     75  1.2    lukem 
     76  1.2    lukem {STRING}	{
     77  1.2    lukem 			char *p;
     78  1.6  thorpej 			size_t i;
     79  1.2    lukem 
     80  1.7    lukem 			if ((p = strdup(yytext)) == NULL) {
     81  1.7    lukem 				syslog(LOG_ERR, "libc nsdispatch: %m");
     82  1.7    lukem 				return NL;
     83  1.7    lukem 			}
     84  1.2    lukem 
     85  1.2    lukem 			for (i = 0; i < strlen(p); i++) {
     86  1.2    lukem 				if (isupper((unsigned char)p[i]))
     87  1.2    lukem 					p[i] = tolower((unsigned char)p[i]);
     88  1.2    lukem 			}
     89  1.2    lukem 			_nsyylval.str = p;
     90  1.2    lukem 			return STRING;
     91  1.2    lukem 		}
     92  1.2    lukem 
     93  1.5    lukem .		return yytext[0];
     94  1.2    lukem 
     95  1.2    lukem %%
     96  1.2    lukem 
     97  1.2    lukem #undef _nsyywrap
     98  1.2    lukem int
     99  1.2    lukem _nsyywrap()
    100  1.2    lukem {
    101  1.2    lukem 	return 1;
    102  1.2    lukem } /* _nsyywrap */
    103  1.2    lukem 
    104  1.2    lukem void
    105  1.2    lukem _nsyyerror(msg)
    106  1.2    lukem 	const char *msg;
    107  1.2    lukem {
    108  1.2    lukem 
    109  1.7    lukem 	 syslog(LOG_WARNING, "libc nsdispatch: %s line %d: %s at '%s'",
    110  1.7    lukem 	    _PATH_NS_CONF, yylineno, msg, yytext);
    111  1.2    lukem } /* _nsyyerror */
    112