diff options
Diffstat (limited to 'lib/libc/net/nslexer.l')
| -rw-r--r-- | lib/libc/net/nslexer.l | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/lib/libc/net/nslexer.l b/lib/libc/net/nslexer.l new file mode 100644 index 0000000..5fa159e --- /dev/null +++ b/lib/libc/net/nslexer.l @@ -0,0 +1,115 @@ +%{ +/* $NetBSD: nslexer.l,v 1.3 1999/01/25 00:16:17 lukem 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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) +static char *rcsid = + "$FreeBSD$"; +#endif /* LIBC_SCCS and not lint */ + +#include <ctype.h> +#include <err.h> +#define _NS_PRIVATE +#include <nsswitch.h> +#include <string.h> + +#include "nsparser.h" + +#define YY_NO_UNPUT + +%} + +%option yylineno + +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; + int i; + + if ((p = strdup(yytext)) == NULL) + _err(1, + "nsdispatch: memory allocation failure"); + + 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() +{ + return 1; +} /* _nsyywrap */ + +void +_nsyyerror(msg) + const char *msg; +{ + + warnx("%s line %d: %s at '%s'", _PATH_NS_CONF, yylineno, msg, yytext); +} /* _nsyyerror */ |
