tstNoCrt-1.cpp@ 107044

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1	/* $Id: tstNoCrt-1.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2	/** @file
3	* IPRT Testcase - Testcase for the No-CRT assembly bits.
4	*/
5
6	/*
7	* Copyright (C) 2008-2024 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* The contents of this file may alternatively be used under the terms
26	* of the Common Development and Distribution License Version 1.0
27	* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28	* in the VirtualBox distribution, in which case the provisions of the
29	* CDDL are applicable instead of those of the GPL.
30	*
31	* You may elect to license modified versions of this file under the
32	* terms and conditions of either the GPL or the CDDL or both.
33	*
34	* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35	*/
36
37
38	/*********************************************************************************************************************************
39	* Header Files *
40	*********************************************************************************************************************************/
41	#include <iprt/nocrt/string.h>
42	#include <iprt/stream.h>
43	#include <iprt/initterm.h>
44	#include <iprt/string.h>
45	#ifdef RT_WITHOUT_NOCRT_WRAPPERS
46	# error "Build error."
47	#endif
48
49
50	/*********************************************************************************************************************************
51	* Structures and Typedefs *
52	*********************************************************************************************************************************/
53	#define TSTBUF_SIZE 8192
54	typedef struct TSTBUF
55	{
56	uint8_t abHeadFence[2048];
57	uint8_t abBuf[TSTBUF_SIZE];
58	uint8_t abTailFence[2048];
59	} TSTBUF, *PTSTBUF;
60
61
62	/*********************************************************************************************************************************
63	* Global Variables *
64	*********************************************************************************************************************************/
65	static unsigned g_cErrors = 0;
66
67
68	static void my_memset(void *pv, int ch, size_t cb)
69	{
70	uint8_t pb = (uint8_t )pv;
71	while (cb--)
72	*pb++ = ch;
73	}
74
75	static void my_memcheck(const void pv, int ch, size_t cb, const char pszDesc)
76	{
77	uint8_t pb = (uint8_t )pv;
78	while (cb--)
79	{
80	if (*pb != (uint8_t)ch)
81	{
82	g_cErrors++;
83	size_t off;
84	for (off = 1; off < cb && pb[off] != (uint8_t)ch; off++)
85	/* nandemonai */;
86	off--;
87	pb += off;
88	cb -= off;
89	if (off)
90	RTPrintf("tstNoCrt-1: %s: %p:%p - %02x instead of %02x\n",
91	pszDesc, (uintptr_t)pb - (uintptr_t)pv,
92	(uint8_t )pb - (uint8_t )pv + off, *pb, (uint8_t)ch);
93	else
94	RTPrintf("tstNoCrt-1: %s: %p - %02x instead of %02x\n",
95	pszDesc, (uint8_t )pb - (uint8_t )pv, *pb, (uint8_t)ch);
96	}
97
98	/* next*/
99	pb++;
100	}
101	}
102
103
104	static void TstBufInit(PTSTBUF pBuf, int ch)
105	{
106	my_memset(pBuf->abHeadFence, 0x55, sizeof(pBuf->abHeadFence));
107	my_memset(pBuf->abBuf, ch, sizeof(pBuf->abBuf));
108	my_memset(pBuf->abTailFence, 0x77, sizeof(pBuf->abHeadFence));
109	}
110
111
112	static void TstBufCheck(PTSTBUF pBuf, const char *pszDesc)
113	{
114	my_memcheck(pBuf->abHeadFence, 0x55, sizeof(pBuf->abHeadFence), pszDesc);
115	my_memcheck(pBuf->abTailFence, 0x77, sizeof(pBuf->abTailFence), pszDesc);
116	}
117
118
119	#if 0 /* enable this to test the testcase. */
120	# undef RT_NOCRT
121	# define RT_NOCRT(a) a
122	# ifdef _MSC_VER
123	# define mempcpy nocrt_mempcpy
124	# endif
125	#endif
126
127	int main()
128	{
129	/*
130	* Prologue.
131	*/
132	RTR3InitExeNoArguments(0);
133	RTPrintf("tstNoCrt-1: TESTING...\n");
134
135	/*
136	* Sanity.
137	*/
138	TSTBUF Buf1;
139	TstBufInit(&Buf1, 1);
140	my_memcheck(Buf1.abBuf, 1, TSTBUF_SIZE, "sanity buf1");
141	TstBufCheck(&Buf1, "sanity buf1");
142
143	TSTBUF Buf2;
144	TstBufInit(&Buf2, 2);
145	my_memcheck(Buf2.abBuf, 2, TSTBUF_SIZE, "sanity buf2");
146	TstBufCheck(&Buf2, "sanity buf2");
147	if (g_cErrors)
148	{
149	RTPrintf("tstNoCrt-1: FAILED - fatal sanity error\n");
150	return 1;
151	}
152
153	#define CHECK_CCH(expect) \
154	do \
155	{ \
156	if (cch != (expect)) \
157	{ \
158	RTPrintf("tstNoCrt-1(%d): cb=%zu expected=%zu\n", __LINE__, cch, (expect)); \
159	g_cErrors++; \
160	} \
161	} while (0)
162	size_t cch;
163
164	#define CHECK_PV(expect) \
165	do \
166	{ \
167	if (pv != (expect)) \
168	{ \
169	RTPrintf("tstNoCrt-1(%d): pv=%p expected=%p\n", __LINE__, pv, (expect)); \
170	g_cErrors++; \
171	} \
172	} while (0)
173	void *pv;
174
175	#define CHECK_DIFF(op) \
176	do \
177	{ \
178	if (!(iDiff op 0)) \
179	{ \
180	RTPrintf("tstNoCrt-1(%d): iDiff=%d expected: %s 0\n", __LINE__, iDiff, #op); \
181	g_cErrors++; \
182	} \
183	} while (0)
184	int iDiff;
185
186	static char s_szTest1[] = "0123456789abcdef";
187	static char s_szTest2[] = "0123456789abcdef";
188	static char s_szTest3[] = "fedcba9876543210";
189
190	/*
191	* memcpy.
192	*/
193	RTPrintf("tstNoCrt-1: memcpy\n");
194	TstBufInit(&Buf1, 1);
195	TstBufInit(&Buf2, 2);
196	pv = RT_NOCRT(memcpy)(Buf1.abBuf, Buf2.abBuf, TSTBUF_SIZE); CHECK_PV(Buf1.abBuf);
197	my_memcheck(Buf1.abBuf, 2, TSTBUF_SIZE, "memcpy1-dst");
198	my_memcheck(Buf2.abBuf, 2, TSTBUF_SIZE, "memcpy1-src");
199	TstBufCheck(&Buf1, "memcpy1");
200	TstBufCheck(&Buf2, "memcpy1");
201
202	TstBufInit(&Buf1, 3);
203	TstBufInit(&Buf2, 4);
204	pv = RT_NOCRT(memcpy)(Buf2.abBuf, Buf1.abBuf, TSTBUF_SIZE); CHECK_PV(Buf2.abBuf);
205	my_memcheck(Buf1.abBuf, 3, TSTBUF_SIZE, "memcpy2-dst");
206	my_memcheck(Buf2.abBuf, 3, TSTBUF_SIZE, "memcpy2-src");
207	TstBufCheck(&Buf1, "memcpy2");
208	TstBufCheck(&Buf2, "memcpy2");
209
210	TstBufInit(&Buf1, 5);
211	TstBufInit(&Buf2, 6);
212	pv = RT_NOCRT(memcpy)(Buf2.abBuf, Buf1.abBuf, 0); CHECK_PV(Buf2.abBuf);
213	my_memcheck(Buf1.abBuf, 5, TSTBUF_SIZE, "memcpy3-dst");
214	my_memcheck(Buf2.abBuf, 6, TSTBUF_SIZE, "memcpy3-src");
215	TstBufCheck(&Buf1, "memcpy3-dst");
216	TstBufCheck(&Buf2, "memcpy3-src");
217
218	for (unsigned off1 = 0; off1 <= 128; off1++)
219	{
220	for (unsigned off2 = 0; off2 <= 256; off2++)
221	{
222	char sz[32];
223	RTStrPrintf(sz, sizeof(sz), "memcpy4-%d-%d", off1, off2);
224	TstBufInit(&Buf1, 1);
225	TstBufInit(&Buf2, 2);
226	size_t cb = off2;
227	pv = RT_NOCRT(memcpy)(&Buf2.abBuf[off2], &Buf1.abBuf[off1], cb); CHECK_PV(&Buf2.abBuf[off2]);
228	my_memcheck(Buf1.abBuf, 1, TSTBUF_SIZE, sz);
229	my_memcheck(Buf2.abBuf, 2, off2, sz);
230	my_memcheck(&Buf2.abBuf[off2], 1, cb, sz);
231	my_memcheck(&Buf2.abBuf[off2 + cb], 2, TSTBUF_SIZE - cb - off2, sz);
232	TstBufCheck(&Buf1, sz);
233	TstBufCheck(&Buf2, sz);
234	}
235	}
236
237	/*
238	* mempcpy.
239	*/
240	RTPrintf("tstNoCrt-1: mempcpy\n");
241	TstBufInit(&Buf1, 1);
242	TstBufInit(&Buf2, 2);
243	pv = RT_NOCRT(mempcpy)(Buf1.abBuf, Buf2.abBuf, TSTBUF_SIZE); CHECK_PV(&Buf1.abBuf[TSTBUF_SIZE]);
244	my_memcheck(Buf1.abBuf, 2, TSTBUF_SIZE, "mempcpy1-dst");
245	my_memcheck(Buf2.abBuf, 2, TSTBUF_SIZE, "mempcpy1-src");
246	TstBufCheck(&Buf1, "mempcpy1");
247	TstBufCheck(&Buf2, "mempcpy1");
248
249	TstBufInit(&Buf1, 3);
250	TstBufInit(&Buf2, 4);
251	pv = RT_NOCRT(mempcpy)(Buf2.abBuf, Buf1.abBuf, TSTBUF_SIZE); CHECK_PV(&Buf2.abBuf[TSTBUF_SIZE]);
252	my_memcheck(Buf1.abBuf, 3, TSTBUF_SIZE, "mempcpy2-dst");
253	my_memcheck(Buf2.abBuf, 3, TSTBUF_SIZE, "mempcpy2-src");
254	TstBufCheck(&Buf1, "mempcpy2");
255	TstBufCheck(&Buf2, "mempcpy2");
256
257	TstBufInit(&Buf1, 5);
258	TstBufInit(&Buf2, 6);
259	pv = RT_NOCRT(mempcpy)(Buf2.abBuf, Buf1.abBuf, 0); CHECK_PV(Buf2.abBuf);
260	my_memcheck(Buf1.abBuf, 5, TSTBUF_SIZE, "mempcpy3-dst");
261	my_memcheck(Buf2.abBuf, 6, TSTBUF_SIZE, "mempcpy3-src");
262	TstBufCheck(&Buf1, "mempcpy3-dst");
263	TstBufCheck(&Buf2, "mempcpy3-src");
264
265	for (unsigned off1 = 0; off1 <= 128; off1++)
266	{
267	for (unsigned off2 = 0; off2 <= 256; off2++)
268	{
269	char sz[32];
270	RTStrPrintf(sz, sizeof(sz), "mempcpy4-%d-%d", off1, off2);
271	TstBufInit(&Buf1, 1);
272	TstBufInit(&Buf2, 2);
273	size_t cb = off2;
274	pv = RT_NOCRT(mempcpy)(&Buf2.abBuf[off2], &Buf1.abBuf[off1], cb); CHECK_PV(&Buf2.abBuf[off2 + cb]);
275	my_memcheck(Buf1.abBuf, 1, TSTBUF_SIZE, sz);
276	my_memcheck(Buf2.abBuf, 2, off2, sz);
277	my_memcheck(&Buf2.abBuf[off2], 1, cb, sz);
278	my_memcheck(&Buf2.abBuf[off2 + cb], 2, TSTBUF_SIZE - cb - off2, sz);
279	TstBufCheck(&Buf1, sz);
280	TstBufCheck(&Buf2, sz);
281	}
282	}
283
284	/*
285	* memmove.
286	*/
287	RTPrintf("tstNoCrt-1: memmove\n");
288	TstBufInit(&Buf1, 1);
289	TstBufInit(&Buf2, 2);
290	pv = RT_NOCRT(memmove)(Buf1.abBuf, Buf2.abBuf, TSTBUF_SIZE); CHECK_PV(Buf1.abBuf);
291	my_memcheck(Buf1.abBuf, 2, TSTBUF_SIZE, "memmove1-dst");
292	my_memcheck(Buf2.abBuf, 2, TSTBUF_SIZE, "memmove1-src");
293	TstBufCheck(&Buf1, "memmove1");
294	TstBufCheck(&Buf2, "memmove1");
295
296	TstBufInit(&Buf1, 3);
297	TstBufInit(&Buf2, 4);
298	pv = RT_NOCRT(memmove)(Buf2.abBuf, Buf1.abBuf, TSTBUF_SIZE); CHECK_PV(Buf2.abBuf);
299	my_memcheck(Buf1.abBuf, 3, TSTBUF_SIZE, "memmove2-dst");
300	my_memcheck(Buf2.abBuf, 3, TSTBUF_SIZE, "memmove2-src");
301	TstBufCheck(&Buf1, "memmove2");
302	TstBufCheck(&Buf2, "memmove2");
303
304	TstBufInit(&Buf1, 5);
305	TstBufInit(&Buf2, 6);
306	pv = RT_NOCRT(memmove)(Buf2.abBuf, Buf1.abBuf, 0); CHECK_PV(Buf2.abBuf);
307	my_memcheck(Buf1.abBuf, 5, TSTBUF_SIZE, "memmove3-dst");
308	my_memcheck(Buf2.abBuf, 6, TSTBUF_SIZE, "memmove3-src");
309	TstBufCheck(&Buf1, "memmove3-dst");
310	TstBufCheck(&Buf2, "memmove3-src");
311
312	for (unsigned off1 = 1; off1 <= 128; off1++)
313	{
314	for (unsigned off2 = 0; off2 <= 256; off2++)
315	{
316	/* forward */
317	char sz[32];
318	RTStrPrintf(sz, sizeof(sz), "memmove4-%d-%d", off1, off2);
319	TstBufInit(&Buf1, off1 + 1);
320	my_memset(Buf1.abBuf, off1, off1);
321	pv = RT_NOCRT(memmove)(Buf1.abBuf, &Buf1.abBuf[off2], TSTBUF_SIZE - off2); CHECK_PV(Buf1.abBuf);
322	if (off2 < off1)
323	{
324	unsigned cbLead = off1 - off2;
325	my_memcheck(Buf1.abBuf, off1, cbLead, sz);
326	my_memcheck(&Buf1.abBuf[cbLead], off1 + 1, TSTBUF_SIZE - cbLead, sz);
327	}
328	else
329	my_memcheck(Buf1.abBuf, off1 + 1, TSTBUF_SIZE, sz);
330	TstBufCheck(&Buf1, sz);
331
332	/* backward */
333	RTStrPrintf(sz, sizeof(sz), "memmove5-%d-%d", off1, off2);
334	TstBufInit(&Buf1, off1 + 1);
335	my_memset(&Buf1.abBuf[TSTBUF_SIZE - off1], off1, off1);
336	pv = RT_NOCRT(memmove)(&Buf1.abBuf[off2], Buf1.abBuf, TSTBUF_SIZE - off2); CHECK_PV(&Buf1.abBuf[off2]);
337	if (off2 < off1)
338	{
339	unsigned cbLead = off1 - off2;
340	my_memcheck(&Buf1.abBuf[TSTBUF_SIZE - cbLead], off1, cbLead, sz);
341	my_memcheck(Buf1.abBuf, off1 + 1, TSTBUF_SIZE - cbLead, sz);
342	}
343	else
344	my_memcheck(Buf1.abBuf, off1 + 1, TSTBUF_SIZE, sz);
345	TstBufCheck(&Buf1, sz);
346	/* small unaligned */
347	RTStrPrintf(sz, sizeof(sz), "memmove6-%d-%d", off1, off2);
348	TstBufInit(&Buf1, 1);
349	TstBufInit(&Buf2, 2);
350	size_t cb = off2;
351	pv = RT_NOCRT(memmove)(&Buf2.abBuf[off2], &Buf1.abBuf[off1], cb); CHECK_PV(&Buf2.abBuf[off2]);
352	my_memcheck(Buf1.abBuf, 1, TSTBUF_SIZE, sz);
353	my_memcheck(Buf2.abBuf, 2, off2, sz);
354	my_memcheck(&Buf2.abBuf[off2], 1, cb, sz);
355	my_memcheck(&Buf2.abBuf[off2 + cb], 2, TSTBUF_SIZE - cb - off2, sz);
356	TstBufCheck(&Buf1, sz);
357	TstBufCheck(&Buf2, sz);
358	}
359	}
360
361	/*
362	* memset
363	*/
364	RTPrintf("tstNoCrt-1: memset\n");
365	TstBufInit(&Buf1, 1);
366	pv = RT_NOCRT(memset)(Buf1.abBuf, 0, TSTBUF_SIZE); CHECK_PV(Buf1.abBuf);
367	my_memcheck(Buf1.abBuf, 0, TSTBUF_SIZE, "memset-1");
368	TstBufCheck(&Buf1, "memset-1");
369
370	TstBufInit(&Buf1, 1);
371	pv = RT_NOCRT(memset)(Buf1.abBuf, 0xff, TSTBUF_SIZE); CHECK_PV(Buf1.abBuf);
372	my_memcheck(Buf1.abBuf, 0xff, TSTBUF_SIZE, "memset-2");
373	TstBufCheck(&Buf1, "memset-2");
374
375	TstBufInit(&Buf1, 1);
376	pv = RT_NOCRT(memset)(Buf1.abBuf, 0xff, 0); CHECK_PV(Buf1.abBuf);
377	my_memcheck(Buf1.abBuf, 1, TSTBUF_SIZE, "memset-3");
378	TstBufCheck(&Buf1, "memset-3");
379
380	for (unsigned off = 0; off < 256; off++)
381	{
382	/* move start byte by byte. */
383	char sz[32];
384	RTStrPrintf(sz, sizeof(sz), "memset4-%d", off);
385	TstBufInit(&Buf1, 0);
386	pv = RT_NOCRT(memset)(&Buf1.abBuf[off], off, TSTBUF_SIZE - off); CHECK_PV(&Buf1.abBuf[off]);
387	my_memcheck(Buf1.abBuf, 0, off, sz);
388	my_memcheck(&Buf1.abBuf[off], off, TSTBUF_SIZE - off, sz);
389	TstBufCheck(&Buf1, sz);
390
391	/* move end byte by byte. */
392	RTStrPrintf(sz, sizeof(sz), "memset5-%d", off);
393	TstBufInit(&Buf1, 0);
394	pv = RT_NOCRT(memset)(Buf1.abBuf, off, TSTBUF_SIZE - off); CHECK_PV(Buf1.abBuf);
395	my_memcheck(Buf1.abBuf, off, TSTBUF_SIZE - off, sz);
396	my_memcheck(&Buf1.abBuf[TSTBUF_SIZE - off], 0, off, sz);
397	TstBufCheck(&Buf1, sz);
398
399	/* move both start and size byte by byte. */
400	RTStrPrintf(sz, sizeof(sz), "memset6-%d", off);
401	TstBufInit(&Buf1, 0);
402	pv = RT_NOCRT(memset)(&Buf1.abBuf[off], off, off); CHECK_PV(&Buf1.abBuf[off]);
403	my_memcheck(Buf1.abBuf, 0, off, sz);
404	my_memcheck(&Buf1.abBuf[off], off, off, sz);
405	my_memcheck(&Buf1.abBuf[off * 2], 0, TSTBUF_SIZE - off * 2, sz);
406	TstBufCheck(&Buf1, sz);
407	}
408
409	/*
410	* strcpy (quick smoke testing).
411	*/
412	RTPrintf("tstNoCrt-1: strcpy\n");
413	TstBufInit(&Buf1, 1);
414	const char *pszSrc = s_szTest1;
415	char pszDst = (char )&Buf1.abBuf[0];
416	pv = RT_NOCRT(strcpy)(pszDst, pszSrc);
417	CHECK_PV(pszDst);
418	TstBufCheck(&Buf1, "strcpy 1");
419	iDiff = RT_NOCRT(strcmp)(pszDst, pszSrc); CHECK_DIFF( == );
420
421	pszSrc = s_szTest1;
422	for (unsigned i = 0; i < sizeof(s_szTest1) / 2; i++)
423	{
424	pszSrc++;
425	TstBufInit(&Buf1, 2);
426	pszDst = (char *)&Buf1.abBuf[sizeof(Buf1.abBuf) - strlen(pszSrc) - 1];
427	pv = RT_NOCRT(strcpy)(pszDst, pszSrc);
428	CHECK_PV(pszDst);
429	TstBufCheck(&Buf1, "strcpy 3");
430	iDiff = RT_NOCRT(strcmp)(pszDst, pszSrc); CHECK_DIFF( == );
431	}
432
433
434	/*
435	* memchr & strchr.
436	*/
437	RTPrintf("tstNoCrt-1: memchr\n");
438	pv = RT_NOCRT(memchr)(&s_szTest1[0x00], 'f', sizeof(s_szTest1)); CHECK_PV(&s_szTest1[0xf]);
439	pv = RT_NOCRT(memchr)(&s_szTest1[0x0f], 'f', sizeof(s_szTest1)); CHECK_PV(&s_szTest1[0xf]);
440	pv = RT_NOCRT(memchr)(&s_szTest1[0x03], 0, sizeof(s_szTest1)); CHECK_PV(&s_szTest1[0x10]);
441	pv = RT_NOCRT(memchr)(&s_szTest1[0x10], 0, sizeof(s_szTest1)); CHECK_PV(&s_szTest1[0x10]);
442	pv = RT_NOCRT(memchr)(&s_szTest1, 0, ~(size_t)0); CHECK_PV(&s_szTest1[0x10]);
443	pv = RT_NOCRT(memchr)(&s_szTest1, 0, ~(size_t)1); CHECK_PV(&s_szTest1[0x10]);
444	pv = RT_NOCRT(memchr)(&s_szTest1, 0, ~(size_t)16); CHECK_PV(&s_szTest1[0x10]);
445	for (unsigned i = 0; i < sizeof(s_szTest1); i++)
446	for (unsigned j = 0; j <= i; j++)
447	{
448	pv = RT_NOCRT(memchr)(&s_szTest1[j], s_szTest1[i], sizeof(s_szTest1));
449	CHECK_PV(&s_szTest1[i]);
450	}
451
452	RTPrintf("tstNoCrt-1: strchr\n");
453	pv = RT_NOCRT(strchr)(&s_szTest1[0x00], 'f'); CHECK_PV(&s_szTest1[0xf]);
454	pv = RT_NOCRT(strchr)(&s_szTest1[0x0f], 'f'); CHECK_PV(&s_szTest1[0xf]);
455	pv = RT_NOCRT(strchr)(&s_szTest1[0x03], 0); CHECK_PV(&s_szTest1[0x10]);
456	pv = RT_NOCRT(strchr)(&s_szTest1[0x10], 0); CHECK_PV(&s_szTest1[0x10]);
457	for (unsigned i = 0; i < sizeof(s_szTest1); i++)
458	for (unsigned j = 0; j <= i; j++)
459	{
460	pv = RT_NOCRT(strchr)(&s_szTest1[j], s_szTest1[i]);
461	CHECK_PV(&s_szTest1[i]);
462	}
463
464	/*
465	* Some simple memcmp/strcmp checks.
466	*/
467	RTPrintf("tstNoCrt-1: memcmp\n");
468	iDiff = RT_NOCRT(memcmp)(s_szTest1, s_szTest1, sizeof(s_szTest1)); CHECK_DIFF( == );
469	iDiff = RT_NOCRT(memcmp)(s_szTest1, s_szTest2, sizeof(s_szTest1)); CHECK_DIFF( == );
470	iDiff = RT_NOCRT(memcmp)(s_szTest2, s_szTest1, sizeof(s_szTest1)); CHECK_DIFF( == );
471	iDiff = RT_NOCRT(memcmp)(s_szTest3, s_szTest3, sizeof(s_szTest1)); CHECK_DIFF( == );
472	iDiff = RT_NOCRT(memcmp)(s_szTest1, s_szTest3, sizeof(s_szTest1)); CHECK_DIFF( < );
473	iDiff = RT_NOCRT(memcmp)(s_szTest3, s_szTest1, sizeof(s_szTest1)); CHECK_DIFF( > );
474	iDiff = RT_NOCRT(memcmp)("1234", "1a34", 4); CHECK_DIFF( < );
475
476	RTPrintf("tstNoCrt-1: strcmp\n");
477	iDiff = RT_NOCRT(strcmp)(s_szTest1, s_szTest1); CHECK_DIFF( == );
478	iDiff = RT_NOCRT(strcmp)(s_szTest1, s_szTest2); CHECK_DIFF( == );
479	iDiff = RT_NOCRT(strcmp)(s_szTest2, s_szTest1); CHECK_DIFF( == );
480	iDiff = RT_NOCRT(strcmp)(s_szTest3, s_szTest3); CHECK_DIFF( == );
481	iDiff = RT_NOCRT(strcmp)(s_szTest1, s_szTest3); CHECK_DIFF( < );
482	iDiff = RT_NOCRT(strcmp)(s_szTest3, s_szTest1); CHECK_DIFF( > );
483
484	/*
485	* Some simple strlen checks.
486	*/
487	RTPrintf("tstNoCrt-1: strlen\n");
488	cch = RT_NOCRT(strlen)(""); CHECK_CCH(0);
489	cch = RT_NOCRT(strlen)("1"); CHECK_CCH(1);
490	cch = RT_NOCRT(strlen)("12"); CHECK_CCH(2);
491	cch = RT_NOCRT(strlen)("123"); CHECK_CCH(3);
492	cch = RT_NOCRT(strlen)("1234"); CHECK_CCH(4);
493	cch = RT_NOCRT(strlen)("12345"); CHECK_CCH(5);
494	cch = RT_NOCRT(strlen)(s_szTest1); CHECK_CCH(sizeof(s_szTest1) - 1);
495	cch = RT_NOCRT(strlen)(&s_szTest1[1]); CHECK_CCH(sizeof(s_szTest1) - 1 - 1);
496	cch = RT_NOCRT(strlen)(&s_szTest1[2]); CHECK_CCH(sizeof(s_szTest1) - 1 - 2);
497	cch = RT_NOCRT(strlen)(&s_szTest1[3]); CHECK_CCH(sizeof(s_szTest1) - 1 - 3);
498	cch = RT_NOCRT(strlen)(&s_szTest1[4]); CHECK_CCH(sizeof(s_szTest1) - 1 - 4);
499	cch = RT_NOCRT(strlen)(&s_szTest1[5]); CHECK_CCH(sizeof(s_szTest1) - 1 - 5);
500	cch = RT_NOCRT(strlen)(&s_szTest1[6]); CHECK_CCH(sizeof(s_szTest1) - 1 - 6);
501	cch = RT_NOCRT(strlen)(&s_szTest1[7]); CHECK_CCH(sizeof(s_szTest1) - 1 - 7);
502	cch = RT_NOCRT(strlen)(s_szTest2); CHECK_CCH(sizeof(s_szTest2) - 1);
503	cch = RT_NOCRT(strlen)(s_szTest3); CHECK_CCH(sizeof(s_szTest3) - 1);
504
505	#ifdef _MSC_VER
506	/*
507	* Some simple wcslen checks.
508	*/
509	RTPrintf("tstNoCrt-1: wcslen\n");
510	cch = RT_NOCRT(wcslen)(L""); CHECK_CCH(0);
511	cch = RT_NOCRT(wcslen)(L"1"); CHECK_CCH(1);
512	cch = RT_NOCRT(wcslen)(L"12"); CHECK_CCH(2);
513	cch = RT_NOCRT(wcslen)(L"123"); CHECK_CCH(3);
514	cch = RT_NOCRT(wcslen)(L"1234"); CHECK_CCH(4);
515	cch = RT_NOCRT(wcslen)(L"12345"); CHECK_CCH(5);
516	#endif
517
518	/*
519	* Summary.
520	*/
521	if (!g_cErrors)
522	RTPrintf("tstNoCrt-1: SUCCESS\n");
523	else
524	RTPrintf("tstNoCrt-1: FAILURE - %d errors\n", g_cErrors);
525	return !!g_cErrors;
526	}
527

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source: vbox/trunk/src/VBox/Runtime/testcase/tstNoCrt-1.cpp@ 107044

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