summaryrefslogtreecommitdiff
path: root/ngircd/src/portab/portabtest.c
blob: 5ad37b99ca3a4effb6524e0b8ed00e4514bbc425 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
/*
 * ngIRCd -- The Next Generation IRC Daemon
 * Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * Please read the file COPYING, README and AUTHORS for more information.
 */

#include "portab.h"

/**
 * @file
 * Test program for portab.h and friends ;-)
 */

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int allow_severity = 0, deny_severity = 0;

static void
Panic(char *Reason)
{
	/* Oops, something failed!? */
	fprintf(stderr, "Oops, test for %s failed!?\n", Reason);
	exit(1);
} /* Panic */

static void
Check_snprintf(void)
{
	char str[5];

	snprintf(str, sizeof(str), "%s", "1234567890");
	if (str[4] != '\0')
		Panic("snprintf NULL byte");
	if (strlen(str) != 4)
		Panic("snprintf string length");
}

static void
Check_strdup(void)
{
	char *ptr;

	ptr = strdup("1234567890");
	if (!ptr)
		Panic("strdup");
	if (ptr[10] != '\0')
		Panic("strdup NULL byte");
	if (strlen(ptr) != 10)
		Panic("strdup string length");
	free(ptr);
}

static void
Check_strndup(void)
{
	char *ptr;

	ptr = strndup("1234567890", 5);
	if (!ptr)
		Panic("strndup");
	if (ptr[5] != '\0')
		Panic("strndup NULL byte");
	if (strlen(ptr) != 5)
		Panic("strndup string length");
	free(ptr);
}

static void
Check_strlcpy(void)
{
	char str[5];

	if (strlcpy(str, "1234567890", sizeof(str)) != 10)
		Panic("strlcpy return code");
	if (str[4] != '\0')
		Panic("strlcpy NULL byte");
	if (strlen(str) != 4)
		Panic("strlcpy string length");
}

static void
Check_strlcat(void)
{
	char str[5];

	if (strlcpy(str, "12", sizeof(str)) != 2)
		Panic("strlcpy for strlcat");
	if (strlcat(str, "1234567890", sizeof(str)) != 12)
		Panic("strlcat return code");
	if (str[4] != '\0')
		Panic("strlcat NULL byte");
	if (strlen(str) != 4)
		Panic("strlcat string length");
}

static void
Check_strtok_r(void)
{
	char *str, *ptr, *last;

	ptr = strdup("12,abc");
	str = ptr;

	ptr = strtok_r(ptr, ",", &last);
	if (!ptr)
		Panic("strtok_r result #1");
	if (strcmp(ptr, "12") != 0)
		Panic("strtok_r token #1");

	ptr = strtok_r(NULL, ",", &last);
	if (!ptr)
		Panic("strtok_r result #2");
	if (strcmp(ptr, "abc") != 0)
		Panic("strtok_r token #2");

	ptr = strtok_r(NULL, ",", &last);
	if (ptr)
		Panic("strtok_r result #3");

	free(str);
}

#ifdef PROTOTYPES
static void
Check_vsnprintf(const int Len, const char *Format, ...)
#else
static void
Check_vsnprintf(Len, Format, va_alist)
const int Len;
const char *Format;
va_dcl
#endif
{
	char str[5];
	va_list ap;
	int r;

#ifdef PROTOTYPES
	va_start(ap, Format);
#else
	va_start(ap);
#endif
	r = vsnprintf(str, sizeof(str), Format, ap);
	va_end(ap);
	if (r != Len) {
		/* C99 states that vsnprintf() "returns the number of
		 * characters that would have been printed if the n were
		 * unlimited", but according to the Linux manual page "glibc
		 * until 2.0.6 would return -1 when the output was truncated",
		 * and other implementations (libUTIL on A/UX) even return the
		 * number of characters processed ... so we only test our own
		 * implementation and warn on errors otherwise :-/ */
#ifdef HAVE_VSNPRINTF
		fprintf(stderr,
			"\n ** WARNING: The vsnprintf() function of this system isn't standard\n");
		fprintf(stderr,
			" ** conformant and returns a WRONG result: %d (should be %d)! The test\n",
			r, Len);
		fprintf(stderr,
			" ** result has been ignored but may lead to errors during execution!\n\n");
#else
		Panic("vsnprintf return code");
#endif
	}
	if (str[4] != '\0')
		Panic("vsnprintf NULL byte");
	if (strlen(str) != 4)
		Panic("vsnprintf string length");
}

GLOBAL int
main(void)
{
	/* validate datatypes */
	if (false != 0)
		Panic("false");
	if (true != 1)
		Panic("true");
	if (sizeof(UINT8) != 1)
		Panic("UINT8");
	if (sizeof(UINT16) != 2)
		Panic("UINT16");
	if (sizeof(UINT32) != 4)
		Panic("UINT32");

	/* check functions */
	Check_snprintf();
	Check_strdup();
	Check_strndup();
	Check_strlcpy();
	Check_strlcat();
	Check_strtok_r();
	Check_vsnprintf(2+10, "%s%s", "ab", "1234567890");

	return 0;
}

/* -eof- */