Annotation of ircnowd/src/portab/portabtest.c, Revision 1.1.1.1
1.1 tomglok 1: /*
2: * ngIRCd -- The Next Generation IRC Daemon
3: * Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
4: *
5: * This program is free software; you can redistribute it and/or modify
6: * it under the terms of the GNU General Public License as published by
7: * the Free Software Foundation; either version 2 of the License, or
8: * (at your option) any later version.
9: * Please read the file COPYING, README and AUTHORS for more information.
10: */
11:
12: #include "portab.h"
13:
14: /**
15: * @file
16: * Test program for portab.h and friends ;-)
17: */
18:
19: #include <stdarg.h>
20: #include <stdio.h>
21: #include <stdlib.h>
22: #include <string.h>
23:
24: int allow_severity = 0, deny_severity = 0;
25:
26: static void
27: Panic(char *Reason)
28: {
29: /* Oops, something failed!? */
30: fprintf(stderr, "Oops, test for %s failed!?\n", Reason);
31: exit(1);
32: } /* Panic */
33:
34: static void
35: Check_snprintf(void)
36: {
37: char str[5];
38:
39: snprintf(str, sizeof(str), "%s", "1234567890");
40: if (str[4] != '\0')
41: Panic("snprintf NULL byte");
42: if (strlen(str) != 4)
43: Panic("snprintf string length");
44: }
45:
46: static void
47: Check_strdup(void)
48: {
49: char *ptr;
50:
51: ptr = strdup("1234567890");
52: if (!ptr)
53: Panic("strdup");
54: if (ptr[10] != '\0')
55: Panic("strdup NULL byte");
56: if (strlen(ptr) != 10)
57: Panic("strdup string length");
58: free(ptr);
59: }
60:
61: static void
62: Check_strndup(void)
63: {
64: char *ptr;
65:
66: ptr = strndup("1234567890", 5);
67: if (!ptr)
68: Panic("strndup");
69: if (ptr[5] != '\0')
70: Panic("strndup NULL byte");
71: if (strlen(ptr) != 5)
72: Panic("strndup string length");
73: free(ptr);
74: }
75:
76: static void
77: Check_strlcpy(void)
78: {
79: char str[5];
80:
81: if (strlcpy(str, "1234567890", sizeof(str)) != 10)
82: Panic("strlcpy return code");
83: if (str[4] != '\0')
84: Panic("strlcpy NULL byte");
85: if (strlen(str) != 4)
86: Panic("strlcpy string length");
87: }
88:
89: static void
90: Check_strlcat(void)
91: {
92: char str[5];
93:
94: if (strlcpy(str, "12", sizeof(str)) != 2)
95: Panic("strlcpy for strlcat");
96: if (strlcat(str, "1234567890", sizeof(str)) != 12)
97: Panic("strlcat return code");
98: if (str[4] != '\0')
99: Panic("strlcat NULL byte");
100: if (strlen(str) != 4)
101: Panic("strlcat string length");
102: }
103:
104: static void
105: Check_strtok_r(void)
106: {
107: char *str, *ptr, *last;
108:
109: ptr = strdup("12,abc");
110: str = ptr;
111:
112: ptr = strtok_r(ptr, ",", &last);
113: if (!ptr)
114: Panic("strtok_r result #1");
115: if (strcmp(ptr, "12") != 0)
116: Panic("strtok_r token #1");
117:
118: ptr = strtok_r(NULL, ",", &last);
119: if (!ptr)
120: Panic("strtok_r result #2");
121: if (strcmp(ptr, "abc") != 0)
122: Panic("strtok_r token #2");
123:
124: ptr = strtok_r(NULL, ",", &last);
125: if (ptr)
126: Panic("strtok_r result #3");
127:
128: free(str);
129: }
130:
131: #ifdef PROTOTYPES
132: static void
133: Check_vsnprintf(const int Len, const char *Format, ...)
134: #else
135: static void
136: Check_vsnprintf(Len, Format, va_alist)
137: const int Len;
138: const char *Format;
139: va_dcl
140: #endif
141: {
142: char str[5];
143: va_list ap;
144: int r;
145:
146: #ifdef PROTOTYPES
147: va_start(ap, Format);
148: #else
149: va_start(ap);
150: #endif
151: r = vsnprintf(str, sizeof(str), Format, ap);
152: va_end(ap);
153: if (r != Len) {
154: /* C99 states that vsnprintf() "returns the number of
155: * characters that would have been printed if the n were
156: * unlimited", but according to the Linux manual page "glibc
157: * until 2.0.6 would return -1 when the output was truncated",
158: * and other implementations (libUTIL on A/UX) even return the
159: * number of characters processed ... so we only test our own
160: * implementation and warn on errors otherwise :-/ */
161: #ifdef HAVE_VSNPRINTF
162: fprintf(stderr,
163: "\n ** WARNING: The vsnprintf() function of this system isn't standard\n");
164: fprintf(stderr,
165: " ** conformant and returns a WRONG result: %d (should be %d)! The test\n",
166: r, Len);
167: fprintf(stderr,
168: " ** result has been ignored but may lead to errors during execution!\n\n");
169: #else
170: Panic("vsnprintf return code");
171: #endif
172: }
173: if (str[4] != '\0')
174: Panic("vsnprintf NULL byte");
175: if (strlen(str) != 4)
176: Panic("vsnprintf string length");
177: }
178:
179: GLOBAL int
180: main(void)
181: {
182: /* validate datatypes */
183: if (false != 0)
184: Panic("false");
185: if (true != 1)
186: Panic("true");
187: if (sizeof(UINT8) != 1)
188: Panic("UINT8");
189: if (sizeof(UINT16) != 2)
190: Panic("UINT16");
191: if (sizeof(UINT32) != 4)
192: Panic("UINT32");
193:
194: /* check functions */
195: Check_snprintf();
196: Check_strdup();
197: Check_strndup();
198: Check_strlcpy();
199: Check_strlcat();
200: Check_strtok_r();
201: Check_vsnprintf(2+10, "%s%s", "ab", "1234567890");
202:
203: return 0;
204: }
205:
206: /* -eof- */
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