Mercurial > illumos > illumos-gate
view usr/src/lib/libshare/common/parser.c @ 13622:e5889df1eaac
2077 lots of unreachable breaks in illumos gate
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Richard Lowe <richlowe@richlowe.net>
author | Milan Jurik <milan.jurik@xylab.cz> |
---|---|
date | Sat, 18 Feb 2012 19:52:02 +0100 |
parents | 5f1c6a3b0fad |
children |
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/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * Copyright 2012 Milan Jurik. All rights reserved. */ #include <stdio.h> #include <ctype.h> #define TK_INIT 0 #define TK_TOKEN 1 #define TK_SKIPWHITE 2 #define TK_QUOTED 3 /* * assumes quoted strings are delimited by white space (i.e sp * "string" sp). Backslash can be used to quote a quote mark. * quoted strings will have the quotes stripped. */ char * _sa_get_token(char *string) { static char *orig = NULL; static char *curp; char *ret; int state = TK_INIT; int c; int quotechar; if (string != orig || string == NULL) { orig = string; curp = string; if (string == NULL) { return (NULL); } } ret = curp; while ((c = *curp) != '\0') { switch (state) { case TK_SKIPWHITE: case TK_INIT: if (isspace(c)) { while (*curp && isspace(*curp)) curp++; ret = curp; } if (c == '"' || c == '\'') { state = TK_QUOTED; curp++; ret = curp; quotechar = c; /* want to match for close */ } else { state = TK_TOKEN; } break; case TK_TOKEN: switch (c) { case '\\': curp++; if (*curp) { curp++; break; } return (ret); default: if (*curp == '\0' || isspace(c)) { *curp++ = '\0'; return (ret); } curp++; break; } break; case TK_QUOTED: switch (c) { case '\\': curp++; if (*curp) { curp++; break; } curp++; break; default: if (c == '\0' || c == quotechar) { *curp++ = '\0'; return (ret); } curp++; break; } break; } } return (NULL); }