1 %{ 2 /* $NetBSD: nslexer.l,v 1.3 1999/01/25 00:16:17 lukem Exp $ */ 3 4 /*- 5 * Copyright (c) 1997, 1998, 1999 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Luke Mewburn. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 * 39 * $FreeBSD: src/lib/libc/net/nslexer.l,v 1.5 2003/04/17 14:14:22 nectar Exp $ 40 */ 41 42 43 #include "namespace.h" 44 #include <ctype.h> 45 #define _NS_PRIVATE 46 #include <nsswitch.h> 47 #include <string.h> 48 #include <syslog.h> 49 #include "un-namespace.h" 50 51 #include "nsparser.h" 52 53 %} 54 55 %option noinput 56 %option nounput 57 %option yylineno 58 59 BLANK [ \t] 60 CR \n 61 STRING [a-zA-Z][a-zA-Z0-9_]* 62 63 %% 64 65 {BLANK}+ ; /* skip whitespace */ 66 67 #.* ; /* skip comments */ 68 69 \\{CR} ; /* allow continuation */ 70 71 {CR} return NL; 72 73 [sS][uU][cC][cC][eE][sS][sS] return SUCCESS; 74 [uU][nN][aA][vV][aA][iI][lL] return UNAVAIL; 75 [nN][oO][tT][fF][oO][uU][nN][dD] return NOTFOUND; 76 [tT][rR][yY][aA][gG][aA][iI][nN] return TRYAGAIN; 77 78 [rR][eE][tT][uU][rR][nN] return RETURN; 79 [cC][oO][nN][tT][iI][nN][uU][eE] return CONTINUE; 80 81 {STRING} { 82 char *p; 83 int i; 84 85 if ((p = strdup(yytext)) == NULL) { 86 syslog(LOG_ERR, 87 "NSSWITCH(nslexer): memory allocation failure"); 88 return ERRORTOKEN; 89 } 90 for (i = 0; i < strlen(p); i++) { 91 if (isupper((unsigned char)p[i])) 92 p[i] = tolower((unsigned char)p[i]); 93 } 94 _nsyylval.str = p; 95 return STRING; 96 } 97 98 . return yytext[0]; 99 100 %% 101 102 #undef _nsyywrap 103 int 104 _nsyywrap(void) 105 { 106 return 1; 107 } /* _nsyywrap */ 108 109 void 110 _nsyyerror(const char *msg) 111 { 112 113 syslog(LOG_ERR, "NSSWITCH(nslexer): %s line %d: %s at '%s'", 114 _PATH_NS_CONF, yylineno, msg, yytext); 115 } /* _nsyyerror */ 116