1 /* $NetBSD: t_limits.c,v 1.2 2011/04/04 18:02:01 jruoho Exp $ */
2 
3 /*
4  * Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 /*
30  * Copyright (c) 2009, Stathis Kamperis
31  * All rights reserved.
32  *
33  * Redistribution and use in source and binary forms, with or without
34  * modification, are permitted provided that the following conditions
35  * are met:
36  * 1. Redistributions of source code must retain the above copyright
37  *    notice, this list of conditions and the following disclaimer.
38  * 2. Redistributions in binary form must reproduce the above copyright
39  *    notice, this list of conditions and the following disclaimer in the
40  *    documentation and/or other materials provided with the distribution.
41  *
42  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
45  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
46  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
47  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
48  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
49  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
50  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
51  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
52  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53  * SUCH DAMAGE.
54  */
55 #include <sys/cdefs.h>
56 __COPYRIGHT("@(#) Copyright (c) 2008, 2010\
57  The NetBSD Foundation, inc. All rights reserved.");
58 __RCSID("$NetBSD: t_limits.c,v 1.2 2011/04/04 18:02:01 jruoho Exp $");
59 
60 #include <limits.h>
61 
62 #include <atf-c.h>
63 
64 struct psxentry {
65 	const char	*psx_desc;
66 	int		 psx_constant;
67 	int		 psx_minval;
68 } psxtable[] = {
69 
70 	/*
71 	 * POSIX symbolic constants.
72 	 */
73 #ifdef	_POSIX_AIO_LISTIO_MAX
74 	{ "_POSIX_AIO_LISTIO_MAX",	_POSIX_AIO_LISTIO_MAX,		2    },
75 #endif
76 #ifdef	_POSIX_AIO_MAX
77 	{ "_POSIX_AIO_MAX",		_POSIX_AIO_MAX,			1    },
78 #endif
79 #ifdef	_POSIX_ARG_MAX
80 	{ "_POSIX_ARG_MAX",		_POSIX_ARG_MAX,			4096 },
81 #endif
82 #ifdef	_POSIX_CHILD_MAX
83 	{ "_POSIX_CHILD_MAX" ,		_POSIX_CHILD_MAX,		25   },
84 #endif
85 #ifdef	_POSIX_DELAYTIMER_MAX
86 	{ "_POSIX_DELAYTIMER_MAX",	_POSIX_DELAYTIMER_MAX,		32   },
87 #endif
88 #ifdef	_POSIX_HOST_NAME_MAX
89 	{ "_POSIX_HOST_NAME_MAX",	_POSIX_HOST_NAME_MAX,		255  },
90 #endif
91 #ifdef	_POSIX_LINK_MAX
92 	{ "_POSIX_LINK_MAX",		_POSIX_LINK_MAX,		8    },
93 #endif
94 #ifdef	_POSIX_LOGIN_NAME_MAX
95 	{ "_POSIX_LOGIN_NAME_MAX",	_POSIX_LOGIN_NAME_MAX,		9    },
96 #endif
97 #ifdef	_POSIX_MAX_CANON
98 	{ "_POSIX_MAX_CANON",		_POSIX_MAX_CANON,		255  },
99 #endif
100 #ifdef	_POSIX_MAX_INPUT
101 	{ "_POSIX_MAX_INPUT",		_POSIX_MAX_INPUT,		255  },
102 #endif
103 #ifdef	_POSIX_MQ_OPEN_MAX
104 	{ "_POSIX_MQ_OPEN_MAX",		_POSIX_MQ_OPEN_MAX,		8    },
105 #endif
106 #ifdef	_POSIX_MQ_PRIO_MAX
107 	{ "_POSIX_MQ_PRIO_MAX",		_POSIX_MQ_PRIO_MAX,		32   },
108 #endif
109 #ifdef	_POSIX_NAME_MAX
110 	{ "_POSIX_NAME_MAX",		_POSIX_NAME_MAX,		9    },
111 #endif
112 #ifdef	_POSIX_NGROUPS_MAX
113 	{ "_POSIX_NGROUPS_MAX",		_POSIX_NGROUPS_MAX,		8    },
114 #endif
115 #ifdef	_POSIX_OPEN_MAX
116 	{ "_POSIX_OPEN_MAX",		_POSIX_OPEN_MAX,		20   },
117 #endif
118 #ifdef	_POSIX_PATH_MAX
119 	{ "_POSIX_PATH_MAX",		_POSIX_PATH_MAX,		256  },
120 #endif
121 #ifdef	_POSIX_PIPE_BUF
122 	{ "_POSIX_PIPE_BUF",		_POSIX_PIPE_BUF,		512  },
123 #endif
124 #ifdef	_POSIX_RE_DUP_MAX
125 	{ "_POSIX_RE_DUP_MAX",		_POSIX_RE_DUP_MAX,		255  },
126 #endif
127 #ifdef	_POSIX_RTSIG_MAX
128 	{ "_POSIX_RTSIG_MAX",		_POSIX_RTSIG_MAX,		8    },
129 #endif
130 #ifdef	_POSIX_SEM_NSEMS_MAX
131 	{ "_POSIX_SEM_NSEMS_MAX",	_POSIX_SEM_NSEMS_MAX,		256  },
132 #endif
133 #ifdef	_POSIX_SEM_VALUE_MAX
134 	{ "_POSIX_SEM_VALUE_MAX",	_POSIX_SEM_VALUE_MAX,		32767},
135 #endif
136 #ifdef	_POSIX_SIGQUEUE_MAX
137 	{ "_POSIX_SIGQUEUE_MAX",	_POSIX_SIGQUEUE_MAX,		32   },
138 #endif
139 #ifdef	_POSIX_SSIZE_MAX
140 	{ "_POSIX_SSIZE_MAX",		_POSIX_SSIZE_MAX,		32767},
141 #endif
142 #ifdef	_POSIX_STREAM_MAX
143 	{ "_POSIX_STREAM_MAX",		_POSIX_STREAM_MAX,		8    },
144 #endif
145 #ifdef	_POSIX_SS_REPL_MAX
146 	{ "_POSIX_SS_REPL_MAX",		_POSIX_SS_REPL_MAX,		4    },
147 #endif
148 #ifdef	_POSIX_SYMLINK_MAX
149 	{ "_POSIX_SYMLINK_MAX",		_POSIX_SYMLINK_MAX,		255  },
150 #endif
151 #ifdef	_POSIX_SYMLOOP_MAX
152 	{ "_POSIX_SYMLOOP_MAX",		_POSIX_SYMLOOP_MAX,		8    },
153 #endif
154 #ifdef	_POSIX_THREAD_DESTRUCTOR_ITERATIONS
155 	{ "_POSIX_THREAD_DESTRUCTOR_ITERATIONS",
156 	  _POSIX_THREAD_DESTRUCTOR_ITERATIONS,				4    },
157 #endif
158 #ifdef	_POSIX_THREAD_KEYS_MAX
159 	{ "_POSIX_THREAD_KEYS_MAX",	_POSIX_THREAD_KEYS_MAX,		128  },
160 #endif
161 #ifdef	_POSIX_THREAD_THREADS_MAX
162 	{ "_POSIX_THREAD_THREADS_MAX",	_POSIX_THREAD_THREADS_MAX,	64   },
163 #endif
164 #ifdef	_POSIX_TIMER_MAX
165 	{ "_POSIX_TIMER_MAX",		_POSIX_TIMER_MAX,		32   },
166 #endif
167 #ifdef	_POSIX_TRACE_EVENT_NAME_MAX
168 	{ "_POSIX_TRACE_EVENT_NAME_MAX",_POSIX_TRACE_EVENT_NAME_MAX,	30   },
169 #endif
170 #ifdef	_POSIX_TRACE_NAME_MAX
171 	{ "_POSIX_TRACE_NAME_MAX",	_POSIX_TRACE_NAME_MAX,		8    },
172 #endif
173 #ifdef	_POSIX_TRACE_SYS_MAX
174 	{ "_POSIX_TRACE_SYS_MAX",	_POSIX_TRACE_SYS_MAX,		8    },
175 #endif
176 #ifdef	_POSIX_TRACE_USER_EVENT_MAX
177 	{ "_POSIX_TRACE_USER_EVENT_MAX",_POSIX_TRACE_USER_EVENT_MAX,	32   },
178 #endif
179 #ifdef	_POSIX_TTY_NAME_MAX
180 	{ "_POSIX_TTY_NAME_MAX",	_POSIX_TTY_NAME_MAX,		9    },
181 #endif
182 #ifdef	_POSIX_TZNAME_MAX
183 	{ "_POSIX_TZNAME_MAX",		_POSIX_TZNAME_MAX,		6    },
184 #endif
185 #ifdef	_POSIX2_BC_BASE_MAX
186 	{ "_POSIX2_BC_BASE_MAX",	_POSIX2_BC_BASE_MAX,		99   },
187 #endif
188 #ifdef	_POSIX2_BC_DIM_MAX
189 	{ "_POSIX2_BC_DIM_MAX",		_POSIX2_BC_DIM_MAX,		2048 },
190 #endif
191 #ifdef	_POSIX2_BC_SCALE_MAX
192 	{ "_POSIX2_BC_SCALE_MAX",	_POSIX2_BC_SCALE_MAX,		99   },
193 #endif
194 #ifdef	_POSIX2_BC_STRING_MAX
195 	{ "_POSIX2_BC_STRING_MAX",	_POSIX2_BC_STRING_MAX,		1000 },
196 #endif
197 #ifdef	_POSIX2_CHARCLASS_NAME_MAX
198 	{ "_POSIX2_CHARCLASS_NAME_MAX",	_POSIX2_CHARCLASS_NAME_MAX,	14   },
199 #endif
200 #ifdef	_POSIX2_COLL_WEIGHTS_MAX
201 	{ "_POSIX2_COLL_WEIGHTS_MAX",	_POSIX2_COLL_WEIGHTS_MAX,	2    },
202 #endif
203 #ifdef	_POSIX2_EXPR_NEST_MAX
204 	{ "_POSIX2_EXPR_NEST_MAX",	_POSIX2_EXPR_NEST_MAX,		32   },
205 #endif
206 #ifdef	_POSIX2_LINE_MAX
207 	{ "_POSIX2_LINE_MAX",		_POSIX2_LINE_MAX,		2048 },
208 #endif
209 #ifdef	_POSIX2_RE_DUP_MAX
210 	{ "_POSIX2_RE_DUP_MAX",		_POSIX2_RE_DUP_MAX,		255  },
211 #endif
212 #ifdef	_XOPEN_IOV_MAX
213 	{ "_XOPEN_IOV_MAX",		_XOPEN_IOV_MAX,			16   },
214 #endif
215 #ifdef	_XOPEN_NAME_MAX
216 	{ "_XOPEN_NAME_MAX",		_XOPEN_NAME_MAX,		255  },
217 #endif
218 #ifdef	_XOPEN_PATH_MAX
219 	{ "_XOPEN_PATH_MAX",		_XOPEN_PATH_MAX,		1024 },
220 #endif
221 
222 	/*
223 	 * Other invariant values.
224 	 */
225 #ifdef	NL_ARGMAX
226 	{ "NL_ARGMAX",			NL_ARGMAX,			9    },
227 #endif
228 #ifdef	NL_LANGMAX
229 	{ "NL_LANGMAX",			NL_LANGMAX,			14   },
230 #endif
231 #ifdef	NL_MSGMAX
232 	{ "NL_MSGMAX",			NL_MSGMAX,			32767},
233 #endif
234 #ifdef	NL_SETMAX
235 	{ "NL_SETMAX",			NL_SETMAX,			255  },
236 #endif
237 #ifdef	NL_TEXTMAX
238 #ifdef	_POSIX2_LINE_MAX
239 	{ "NL_TEXTMAX",			NL_TEXTMAX,	     _POSIX2_LINE_MAX},
240 #endif
241 #endif
242 #ifdef	NZERO
243 	{ "NZERO",			NZERO,				20   },
244 #endif
245 };
246 
247 ATF_TC_WITHOUT_HEAD(char);
248 ATF_TC_BODY(char, tc)
249 {
250 	ATF_CHECK(CHAR_MIN < UCHAR_MAX);
251 }
252 
253 ATF_TC(posix);
254 ATF_TC_HEAD(posix, tc)
255 {
256 	atf_tc_set_md_var(tc, "descr", "Test POSIX limits");
257 }
258 
259 ATF_TC_BODY(posix, tc)
260 {
261 	size_t i;
262 
263 	for (i = 0; i < __arraycount(psxtable); i++) {
264 
265 		if (psxtable[i].psx_constant < psxtable[i].psx_minval) {
266 
267 			atf_tc_fail("%s is less than the minimum",
268 			    psxtable[i].psx_desc);
269 		}
270 	}
271 }
272 
273 ATF_TC_WITHOUT_HEAD(short);
274 ATF_TC_BODY(short, tc)
275 {
276 	ATF_CHECK(SHRT_MIN < USHRT_MAX);
277 }
278 
279 ATF_TP_ADD_TCS(tp)
280 {
281 
282 	ATF_TP_ADD_TC(tp, char);
283 	ATF_TP_ADD_TC(tp, posix);
284 	ATF_TP_ADD_TC(tp, short);
285 
286 	return atf_no_error();
287 }
288