nslexer.l revision 65532
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 40#include <sys/cdefs.h> 41#if defined(LIBC_SCCS) && !defined(lint) 42static char *rcsid = 43 "$FreeBSD: head/lib/libc/net/nslexer.l 65532 2000-09-06 18:16:48Z nectar $"; 44#endif /* LIBC_SCCS and not lint */ 45 46#include <ctype.h> 47#include <err.h> 48#define _NS_PRIVATE 49#include <nsswitch.h> 50#include <string.h> 51 52#include "nsparser.h" 53 54#define YY_NO_UNPUT 55 56%} 57 58%option yylineno 59 60BLANK [ \t] 61CR \n 62STRING [a-zA-Z][a-zA-Z0-9_]* 63 64%% 65 66{BLANK}+ ; /* skip whitespace */ 67 68#.* ; /* skip comments */ 69 70\\{CR} ; /* allow continuation */ 71 72{CR} return NL; 73 74[sS][uU][cC][cC][eE][sS][sS] return SUCCESS; 75[uU][nN][aA][vV][aA][iI][lL] return UNAVAIL; 76[nN][oO][tT][fF][oO][uU][nN][dD] return NOTFOUND; 77[tT][rR][yY][aA][gG][aA][iI][nN] return TRYAGAIN; 78 79[rR][eE][tT][uU][rR][nN] return RETURN; 80[cC][oO][nN][tT][iI][nN][uU][eE] return CONTINUE; 81 82{STRING} { 83 char *p; 84 int i; 85 86 if ((p = strdup(yytext)) == NULL) 87 err(1, "nsdispatch: memory allocation failure"); 88 89 for (i = 0; i < strlen(p); i++) { 90 if (isupper((unsigned char)p[i])) 91 p[i] = tolower((unsigned char)p[i]); 92 } 93 _nsyylval.str = p; 94 return STRING; 95 } 96 97[:=\[\]] return yytext[0]; 98 99. ; /* ignore all else */ 100 101%% 102 103#undef _nsyywrap 104int 105_nsyywrap() 106{ 107 return 1; 108} /* _nsyywrap */ 109 110void 111_nsyyerror(msg) 112 const char *msg; 113{ 114 115 warnx("%s line %d: %s at '%s'", _PATH_NS_CONF, yylineno, msg, yytext); 116} /* _nsyyerror */ 117