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1 | /** |
2 | * Copyright © 2012 Canonical, Ltd. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifdef HAVE_DIX_CONFIG_H | |
25 | #include <dix-config.h> | |
26 | #endif | |
27 | ||
28 | #include <stdint.h> | |
29 | #include <unistd.h> | |
30 | #include "assert.h" | |
31 | #include "misc.h" | |
32 | ||
33 | struct number_format_test { | |
34 | uint64_t number; | |
35 | char string[21]; | |
36 | char hex_string[17]; | |
37 | }; | |
38 | ||
39 | struct signed_number_format_test { | |
40 | int64_t number; | |
41 | char string[21]; | |
42 | }; | |
43 | ||
44 | struct float_number_format_test { | |
45 | double number; | |
46 | char string[21]; | |
47 | }; | |
48 | ||
49 | static Bool | |
50 | check_signed_number_format_test(long int number) | |
51 | { | |
52 | char string[21]; | |
53 | char expected[21]; | |
54 | ||
55 | sprintf(expected, "%ld", number); | |
56 | FormatInt64(number, string); | |
57 | if(strncmp(string, expected, 21) != 0) { | |
58 | fprintf(stderr, "Failed to convert %jd to decimal string (expected %s but got %s)\n", | |
59 | number, expected, string); | |
60 | return FALSE; | |
61 | } | |
62 | ||
63 | return TRUE; | |
64 | } | |
65 | ||
66 | static Bool | |
67 | check_float_format_test(double number) | |
68 | { | |
69 | char string[21]; | |
70 | char expected[21]; | |
71 | ||
72 | /* we currently always print float as .2f */ | |
73 | sprintf(expected, "%.2f", number); | |
74 | ||
75 | FormatDouble(number, string); | |
76 | if(strncmp(string, expected, 21) != 0) { | |
77 | fprintf(stderr, "Failed to convert %f to string (%s vs %s)\n", | |
78 | number, expected, string); | |
79 | return FALSE; | |
80 | } | |
81 | ||
82 | return TRUE; | |
83 | } | |
84 | ||
85 | static Bool | |
86 | check_number_format_test(long unsigned int number) | |
87 | { | |
88 | char string[21]; | |
89 | char expected[21]; | |
90 | ||
91 | sprintf(expected, "%lu", number); | |
92 | ||
93 | FormatUInt64(number, string); | |
94 | if(strncmp(string, expected, 21) != 0) { | |
95 | fprintf(stderr, "Failed to convert %ju to decimal string (%s vs %s)\n", | |
96 | number, expected, string); | |
97 | return FALSE; | |
98 | } | |
99 | ||
100 | sprintf(expected, "%lx", number); | |
101 | FormatUInt64Hex(number, string); | |
102 | if(strncmp(string, expected, 17) != 0) { | |
103 | fprintf(stderr, "Failed to convert %ju to hexadecimal string (%s vs %s)\n", | |
104 | number, expected, string); | |
105 | return FALSE; | |
106 | } | |
107 | ||
108 | return TRUE; | |
109 | } | |
110 | ||
111 | /* FIXME: max range stuff */ | |
112 | double float_tests[] = { 0, 5, 0.1, 0.01, 5.2342, 10.2301, | |
113 | -1, -2.00, -0.6023, -1203.30 | |
114 | }; | |
115 | ||
116 | static void | |
117 | number_formatting(void) | |
118 | { | |
119 | int i; | |
120 | long unsigned int unsigned_tests[] = { 0,/* Zero */ | |
121 | 5, /* Single digit number */ | |
122 | 12, /* Two digit decimal number */ | |
123 | 37, /* Two digit hex number */ | |
124 | 0xC90B2, /* Large < 32 bit number */ | |
125 | 0x15D027BF211B37A, /* Large > 32 bit number */ | |
126 | 0xFFFFFFFFFFFFFFFF, /* Maximum 64-bit number */ | |
127 | }; | |
128 | ||
129 | long int signed_tests[] = { 0,/* Zero */ | |
130 | 5, /* Single digit number */ | |
131 | 12, /* Two digit decimal number */ | |
132 | 37, /* Two digit hex number */ | |
133 | 0xC90B2, /* Large < 32 bit number */ | |
134 | 0x15D027BF211B37A, /* Large > 32 bit number */ | |
135 | 0x7FFFFFFFFFFFFFFF, /* Maximum 64-bit signed number */ | |
136 | -1, /* Single digit number */ | |
137 | -12, /* Two digit decimal number */ | |
138 | -0xC90B2, /* Large < 32 bit number */ | |
139 | -0x15D027BF211B37A, /* Large > 32 bit number */ | |
140 | -0x7FFFFFFFFFFFFFFF, /* Maximum 64-bit signed number */ | |
141 | } ; | |
142 | ||
143 | for (i = 0; i < sizeof(unsigned_tests) / sizeof(unsigned_tests[0]); i++) | |
144 | assert(check_number_format_test(unsigned_tests[i])); | |
145 | ||
146 | for (i = 0; i < sizeof(unsigned_tests) / sizeof(signed_tests[0]); i++) | |
147 | assert(check_signed_number_format_test(signed_tests[i])); | |
148 | ||
149 | for (i = 0; i < sizeof(float_tests) / sizeof(float_tests[0]); i++) | |
150 | assert(check_float_format_test(float_tests[i])); | |
151 | } | |
152 | ||
153 | #pragma GCC diagnostic push | |
154 | #pragma GCC diagnostic ignored "-Wformat-security" | |
155 | static void logging_format(void) | |
156 | { | |
157 | const char *log_file_path = "/tmp/Xorg-logging-test.log"; | |
158 | const char *str = "%s %d %u %% %p %i"; | |
159 | char buf[1024]; | |
160 | int i; | |
161 | unsigned int ui; | |
162 | long li; | |
163 | unsigned long lui; | |
164 | FILE *f; | |
165 | char read_buf[2048]; | |
166 | char *logmsg; | |
167 | uintptr_t ptr; | |
168 | ||
169 | /* set up buf to contain ".....end" */ | |
170 | memset(buf, '.', sizeof(buf)); | |
171 | strcpy(&buf[sizeof(buf) - 4], "end"); | |
172 | ||
173 | LogInit(log_file_path, NULL); | |
174 | assert(f = fopen(log_file_path, "r")); | |
175 | ||
176 | #define read_log_msg(msg) \ | |
177 | fgets(read_buf, sizeof(read_buf), f); \ | |
178 | msg = strchr(read_buf, ']') + 2; /* advance past [time.stamp] */ | |
179 | ||
180 | /* boring test message */ | |
181 | LogMessageVerbSigSafe(X_ERROR, -1, "test message\n"); | |
182 | read_log_msg(logmsg); | |
183 | assert(strcmp(logmsg, "(EE) test message\n") == 0); | |
184 | ||
185 | /* long buf is truncated to "....en\n" */ | |
186 | LogMessageVerbSigSafe(X_ERROR, -1, buf); | |
187 | read_log_msg(logmsg); | |
188 | assert(strcmp(&logmsg[strlen(logmsg) - 3], "en\n") == 0); | |
189 | ||
190 | /* same thing, this time as string substitution */ | |
191 | LogMessageVerbSigSafe(X_ERROR, -1, "%s", buf); | |
192 | read_log_msg(logmsg); | |
193 | assert(strcmp(&logmsg[strlen(logmsg) - 3], "en\n") == 0); | |
194 | ||
195 | /* strings containing placeholders should just work */ | |
196 | LogMessageVerbSigSafe(X_ERROR, -1, "%s\n", str); | |
197 | read_log_msg(logmsg); | |
198 | assert(strcmp(logmsg, "(EE) %s %d %u %% %p %i\n") == 0); | |
199 | ||
200 | /* literal % */ | |
201 | LogMessageVerbSigSafe(X_ERROR, -1, "test %%\n"); | |
202 | read_log_msg(logmsg); | |
203 | assert(strcmp(logmsg, "(EE) test %\n") == 0); | |
204 | ||
205 | /* character */ | |
206 | LogMessageVerbSigSafe(X_ERROR, -1, "test %c\n", 'a'); | |
207 | read_log_msg(logmsg); | |
208 | assert(strcmp(logmsg, "(EE) test a\n") == 0); | |
209 | ||
210 | /* something unsupported % */ | |
211 | LogMessageVerbSigSafe(X_ERROR, -1, "test %Q\n"); | |
212 | read_log_msg(logmsg); | |
213 | assert(strstr(logmsg, "BUG") != NULL); | |
214 | LogMessageVerbSigSafe(X_ERROR, -1, "\n"); | |
215 | fseek(f, 0, SEEK_END); | |
216 | ||
217 | /* string substitution */ | |
218 | LogMessageVerbSigSafe(X_ERROR, -1, "%s\n", "substituted string"); | |
219 | read_log_msg(logmsg); | |
220 | assert(strcmp(logmsg, "(EE) substituted string\n") == 0); | |
221 | ||
222 | /* Invalid format */ | |
223 | #warning Ignore compiler warning below "lacks type at end of format". This is intentional. | |
224 | LogMessageVerbSigSafe(X_ERROR, -1, "%4", 4); | |
225 | read_log_msg(logmsg); | |
226 | assert(strcmp(logmsg, "(EE) ") == 0); | |
227 | LogMessageVerbSigSafe(X_ERROR, -1, "\n"); | |
228 | fseek(f, 0, SEEK_END); | |
229 | ||
230 | #warning Ignore compiler warning below "unknown conversion type character". This is intentional. | |
231 | /* %hld is bogus */ | |
232 | LogMessageVerbSigSafe(X_ERROR, -1, "%hld\n", 4); | |
233 | read_log_msg(logmsg); | |
234 | assert(strstr(logmsg, "BUG") != NULL); | |
235 | LogMessageVerbSigSafe(X_ERROR, -1, "\n"); | |
236 | fseek(f, 0, SEEK_END); | |
237 | ||
238 | /* number substitution */ | |
239 | ui = 0; | |
240 | do { | |
241 | char expected[30]; | |
242 | sprintf(expected, "(EE) %u\n", ui); | |
243 | LogMessageVerbSigSafe(X_ERROR, -1, "%u\n", ui); | |
244 | read_log_msg(logmsg); | |
245 | assert(strcmp(logmsg, expected) == 0); | |
246 | ||
247 | sprintf(expected, "(EE) %x\n", ui); | |
248 | LogMessageVerbSigSafe(X_ERROR, -1, "%x\n", ui); | |
249 | read_log_msg(logmsg); | |
250 | assert(strcmp(logmsg, expected) == 0); | |
251 | ||
252 | if (ui == 0) | |
253 | ui = 1; | |
254 | else | |
255 | ui <<= 1; | |
256 | } while(ui); | |
257 | ||
258 | lui = 0; | |
259 | do { | |
260 | char expected[30]; | |
261 | sprintf(expected, "(EE) %lu\n", lui); | |
262 | LogMessageVerbSigSafe(X_ERROR, -1, "%lu\n", lui); | |
263 | read_log_msg(logmsg); | |
264 | ||
265 | sprintf(expected, "(EE) %lld\n", (unsigned long long)ui); | |
266 | LogMessageVerbSigSafe(X_ERROR, -1, "%lld\n", (unsigned long long)ui); | |
267 | read_log_msg(logmsg); | |
268 | assert(strcmp(logmsg, expected) == 0); | |
269 | ||
270 | sprintf(expected, "(EE) %lx\n", lui); | |
271 | printf("%s\n", expected); | |
272 | LogMessageVerbSigSafe(X_ERROR, -1, "%lx\n", lui); | |
273 | read_log_msg(logmsg); | |
274 | assert(strcmp(logmsg, expected) == 0); | |
275 | ||
276 | sprintf(expected, "(EE) %llx\n", (unsigned long long)ui); | |
277 | LogMessageVerbSigSafe(X_ERROR, -1, "%llx\n", (unsigned long long)ui); | |
278 | read_log_msg(logmsg); | |
279 | assert(strcmp(logmsg, expected) == 0); | |
280 | ||
281 | if (lui == 0) | |
282 | lui = 1; | |
283 | else | |
284 | lui <<= 1; | |
285 | } while(lui); | |
286 | ||
287 | /* signed number substitution */ | |
288 | i = 0; | |
289 | do { | |
290 | char expected[30]; | |
291 | sprintf(expected, "(EE) %d\n", i); | |
292 | LogMessageVerbSigSafe(X_ERROR, -1, "%d\n", i); | |
293 | read_log_msg(logmsg); | |
294 | assert(strcmp(logmsg, expected) == 0); | |
295 | ||
296 | sprintf(expected, "(EE) %d\n", i | INT_MIN); | |
297 | LogMessageVerbSigSafe(X_ERROR, -1, "%d\n", i | INT_MIN); | |
298 | read_log_msg(logmsg); | |
299 | assert(strcmp(logmsg, expected) == 0); | |
300 | ||
301 | if (i == 0) | |
302 | i = 1; | |
303 | else | |
304 | i <<= 1; | |
305 | } while(i > INT_MIN); | |
306 | ||
307 | li = 0; | |
308 | do { | |
309 | char expected[30]; | |
310 | sprintf(expected, "(EE) %ld\n", li); | |
311 | LogMessageVerbSigSafe(X_ERROR, -1, "%ld\n", li); | |
312 | read_log_msg(logmsg); | |
313 | assert(strcmp(logmsg, expected) == 0); | |
314 | ||
315 | sprintf(expected, "(EE) %ld\n", li | LONG_MIN); | |
316 | LogMessageVerbSigSafe(X_ERROR, -1, "%ld\n", li | LONG_MIN); | |
317 | read_log_msg(logmsg); | |
318 | assert(strcmp(logmsg, expected) == 0); | |
319 | ||
320 | sprintf(expected, "(EE) %lld\n", (long long)li); | |
321 | LogMessageVerbSigSafe(X_ERROR, -1, "%lld\n", (long long)li); | |
322 | read_log_msg(logmsg); | |
323 | assert(strcmp(logmsg, expected) == 0); | |
324 | ||
325 | sprintf(expected, "(EE) %lld\n", (long long)(li | LONG_MIN)); | |
326 | LogMessageVerbSigSafe(X_ERROR, -1, "%lld\n", (long long)(li | LONG_MIN)); | |
327 | read_log_msg(logmsg); | |
328 | assert(strcmp(logmsg, expected) == 0); | |
329 | ||
330 | if (li == 0) | |
331 | li = 1; | |
332 | else | |
333 | li <<= 1; | |
334 | } while(li > LONG_MIN); | |
335 | ||
336 | ||
337 | /* pointer substitution */ | |
338 | /* we print a null-pointer differently to printf */ | |
339 | LogMessageVerbSigSafe(X_ERROR, -1, "%p\n", NULL); | |
340 | read_log_msg(logmsg); | |
341 | assert(strcmp(logmsg, "(EE) 0x0\n") == 0); | |
342 | ||
343 | ptr = 1; | |
344 | do { | |
345 | char expected[30]; | |
346 | sprintf(expected, "(EE) %p\n", (void*)ptr); | |
347 | LogMessageVerbSigSafe(X_ERROR, -1, "%p\n", (void*)ptr); | |
348 | read_log_msg(logmsg); | |
349 | assert(strcmp(logmsg, expected) == 0); | |
350 | ptr <<= 1; | |
351 | } while(ptr); | |
352 | ||
353 | ||
354 | for (i = 0; i < sizeof(float_tests)/sizeof(float_tests[0]); i++) { | |
355 | double d = float_tests[i]; | |
356 | char expected[30]; | |
357 | sprintf(expected, "(EE) %.2f\n", d); | |
358 | LogMessageVerbSigSafe(X_ERROR, -1, "%f\n", d); | |
359 | read_log_msg(logmsg); | |
360 | assert(strcmp(logmsg, expected) == 0); | |
361 | ||
362 | /* test for length modifiers, we just ignore them atm */ | |
363 | LogMessageVerbSigSafe(X_ERROR, -1, "%.3f\n", d); | |
364 | read_log_msg(logmsg); | |
365 | assert(strcmp(logmsg, expected) == 0); | |
366 | ||
367 | LogMessageVerbSigSafe(X_ERROR, -1, "%3f\n", d); | |
368 | read_log_msg(logmsg); | |
369 | assert(strcmp(logmsg, expected) == 0); | |
370 | ||
371 | LogMessageVerbSigSafe(X_ERROR, -1, "%.0f\n", d); | |
372 | read_log_msg(logmsg); | |
373 | assert(strcmp(logmsg, expected) == 0); | |
374 | } | |
375 | ||
376 | ||
377 | LogClose(EXIT_NO_ERROR); | |
378 | unlink(log_file_path); | |
379 | ||
380 | #undef read_log_msg | |
381 | } | |
382 | #pragma GCC diagnostic pop /* "-Wformat-security" */ | |
383 | ||
384 | int | |
385 | main(int argc, char **argv) | |
386 | { | |
387 | number_formatting(); | |
388 | logging_format(); | |
389 | ||
390 | return 0; | |
391 | } |