Bug Summary

File:/rootdir/_build/../src/decoder-cat.cc
Warning:line 529, column 39
Division by zero

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name decoder-cat.cc -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=none -relaxed-aliasing -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/rootdir/_build -resource-dir /usr/lib/llvm-14/lib/clang/14.0.6 -I src/decoder-cat.p -I src -I ../src -I . -I .. -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -D _FILE_OFFSET_BITS=64 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/x86_64-linux-gnu/c++/12 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/backward -internal-isystem /usr/lib/llvm-14/lib/clang/14.0.6/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/12/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -Wno-address-of-packed-member -Wno-missing-field-initializers -Wno-packed -Wno-switch-enum -Wno-unused-parameter -Wwrite-strings -std=gnu++17 -fdeprecated-macro -fdebug-compilation-dir=/rootdir/_build -ferror-limit 19 -fvisibility hidden -fvisibility-inlines-hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -fcolor-diagnostics -vectorize-loops -vectorize-slp -analyzer-checker deadcode.DeadStores -analyzer-checker alpha.deadcode.UnreachableCode -analyzer-checker alpha.core.CastSize -analyzer-checker alpha.core.CastToStruct -analyzer-checker alpha.core.IdenticalExpr -analyzer-checker alpha.core.SizeofPtr -analyzer-checker alpha.security.ArrayBoundV2 -analyzer-checker alpha.security.MallocOverflow -analyzer-checker alpha.security.ReturnPtrRange -analyzer-checker alpha.unix.SimpleStream -analyzer-checker alpha.unix.cstring.BufferOverlap -analyzer-checker alpha.unix.cstring.NotNullTerminated -analyzer-checker alpha.unix.cstring.OutOfBounds -analyzer-checker alpha.core.FixedAddr -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /rootdir/html-report/2022-08-07-215033-9680-1 -x c++ ../src/decoder-cat.cc
1/*
2 * Copyright © 2017, 2018, 2019 Christian Persch
3 *
4 * This programme is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License as published by the Free Software Foundation; either
7 * version 3 of the License, or (at your option) any later version.
8 *
9 * This programme is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18#include "config.h"
19
20#include <glib.h>
21
22#include <fcntl.h>
23#include <locale.h>
24#include <unistd.h>
25
26#include <cassert>
27#include <cerrno>
28#include <cstdio>
29#include <cstdlib>
30#include <cstring>
31
32#include <string>
33
34#include "debug.h"
35#include "glib-glue.hh"
36#include "libc-glue.hh"
37#include "utf8.hh"
38
39#ifdef WITH_ICU
40#include "icu-decoder.hh"
41#include "icu-glue.hh"
42#endif
43
44using namespace std::literals;
45
46class Options {
47private:
48 bool m_benchmark{false};
49 bool m_codepoints{false};
50 bool m_list{false};
51 bool m_quiet{false};
52 bool m_statistics{false};
53 bool m_utf8{false};
54 int m_repeat{1};
55 char* m_charset{nullptr};
56 char** m_filenames{nullptr};
57
58 template<typename T1, typename T2 = T1>
59 class OptionArg {
60 private:
61 T1* m_return_ptr;
62 T2 m_value;
63 public:
64 OptionArg(T1* ptr, T2 v) : m_return_ptr{ptr}, m_value{v} { }
65 ~OptionArg() { *m_return_ptr = m_value; }
66
67 inline constexpr T2* ptr() noexcept { return &m_value; }
68 };
69
70 using BoolArg = OptionArg<bool, gboolean>;
71 using IntArg = OptionArg<int>;
72 using StrArg = OptionArg<char*>;
73 using StrvArg = OptionArg<char**>;
74
75public:
76
77 Options() noexcept = default;
78 Options(Options const&) = delete;
79 Options(Options&&) = delete;
80
81 ~Options() {
82 if (m_filenames != nullptr)
83 g_strfreev(m_filenames);
84 }
85
86 Options& operator=(Options const&) = delete;
87 Options& operator=(Options&&) = delete;
88
89 inline constexpr bool benchmark() const noexcept { return m_benchmark; }
90 inline constexpr bool codepoints() const noexcept { return m_codepoints; }
91 inline constexpr bool list() const noexcept { return m_list; }
92 inline constexpr bool statistics() const noexcept { return m_statistics; }
93 inline constexpr int quiet() const noexcept { return m_quiet; }
94 inline constexpr bool utf8() const noexcept { return m_utf8; }
95 inline constexpr int repeat() const noexcept { return m_repeat; }
96 inline constexpr char const* charset() const noexcept { return m_charset; }
97 inline constexpr char const* const* filenames() const noexcept { return m_filenames; }
98
99 bool parse(int argc,
100 char* argv[],
101 GError** error) noexcept
102 {
103 {
104 auto benchmark = BoolArg{&m_benchmark, false};
105 auto codepoints = BoolArg{&m_codepoints, false};
106 auto list = BoolArg{&m_list, false};
107 auto quiet = BoolArg{&m_quiet, false};
108 auto statistics = BoolArg{&m_statistics, false};
109 auto utf8 = BoolArg{&m_utf8, false};
110 auto repeat = IntArg{&m_repeat, 1};
111 auto charset = StrArg{&m_charset, nullptr};
112 auto filenames = StrvArg{&m_filenames, nullptr};
113 GOptionEntry const entries[] = {
114 { .long_name = "benchmark", .short_name = 'b', .flags = 0, .arg = G_OPTION_ARG_NONE, .arg_data = benchmark.ptr(),
115 .description = "Measure time spent parsing each file", .arg_description = nullptr },
116
117 { .long_name = "codepoints", .short_name = 'u', .flags = 0, .arg = G_OPTION_ARG_NONE, .arg_data = codepoints.ptr(),
118 .description = "Output unicode code points by number", .arg_description = nullptr },
119
120 { .long_name = "charset", .short_name = 'f', .flags = 0, .arg = G_OPTION_ARG_STRING, .arg_data = charset.ptr(),
121 .description = "Input charset", .arg_description = "CHARSET" },
122
123 { .long_name = "list-charsets", .short_name = 'l', .flags = 0, .arg = G_OPTION_ARG_NONE, .arg_data = list.ptr(),
124 .description = "List available charsets", .arg_description = nullptr },
125
126 { .long_name = "quiet", .short_name = 'q', .flags = 0, .arg = G_OPTION_ARG_NONE, .arg_data = quiet.ptr(),
127 .description = "Suppress output except for statistics and benchmark", .arg_description = nullptr },
128
129 { .long_name = "repeat", .short_name = 'r', .flags = 0, .arg = G_OPTION_ARG_INT, .arg_data = repeat.ptr(),
130 .description = "Repeat each file COUNT times", .arg_description = "COUNT" },
131
132 { .long_name = "statistics", .short_name = 's', .flags = 0, .arg = G_OPTION_ARG_NONE, .arg_data = statistics.ptr(),
133 .description = "Output statistics", .arg_description = nullptr },
134
135 { .long_name = "utf-8", .short_name = '8', .flags = 0, .arg = G_OPTION_ARG_NONE, .arg_data = utf8.ptr(),
136 .description = "UTF-8 input (default)", .arg_description = nullptr },
137
138 { .long_name = G_OPTION_REMAINING"", .short_name = 0, .flags = 0, .arg = G_OPTION_ARG_FILENAME_ARRAY, .arg_data = filenames.ptr(),
139 .description = nullptr, .arg_description = nullptr },
140 };
141
142 auto context = g_option_context_new("[FILE…] — decoder cat");
143 g_option_context_set_help_enabled(context, true);
144 g_option_context_add_main_entries(context, entries, nullptr);
145
146 auto rv = bool{g_option_context_parse(context, &argc, &argv, error) != false};
147 g_option_context_free(context);
148 if (!rv)
149 return rv;
150 }
151
152 return true;
153 }
154}; // class Options
155
156class Printer {
157private:
158 std::string m_str{};
159 bool m_codepoints{false};
160
161 void
162 print(char const* buf,
163 size_t len) noexcept
164 {
165 m_str.append(buf, len);
166 }
167
168 G_GNUC_PRINTF(2, 3)__attribute__((__format__ (__printf__, 2, 3)))
169 void
170 print_format(char const* format,
171 ...)
172 {
173 char buf[256];
174 va_list args;
175 va_start(args, format)__builtin_va_start(args, format);
176 auto const len = g_vsnprintf(buf, sizeof(buf), format, args);
177 va_end(args)__builtin_va_end(args);
178
179 m_str.append(buf, len);
180 }
181
182 void
183 print_u32(uint32_t const c) noexcept
184 {
185 char ubuf[7];
186 auto const len = g_unichar_to_utf8(c, ubuf);
187
188 if (m_codepoints) {
189 ubuf[len] = 0;
190 if (g_unichar_isprint(c)) {
191 print_format("[%04X %s]", c, ubuf);
192 } else {
193 print_format("[%04X]", c);
194 }
195 } else {
196 print(ubuf, len);
197 }
198 }
199
200 void
201 printout(bool force_lf = false) noexcept
202 {
203 if (m_codepoints || force_lf)
204 m_str.push_back('\n');
205
206#pragma GCC diagnostic push
207#pragma GCC diagnostic ignored "-Wunused-result"
208 write(STDOUT_FILENO1, m_str.data(), m_str.size());
209#pragma GCC diagnostic pop
210 m_str.clear();
211 }
212
213 static inline auto const k_LF = uint32_t{0xau};
214
215public:
216
217 Printer(bool codepoints = false) noexcept
218 : m_codepoints{codepoints}
219 {
220 }
221
222 ~Printer() noexcept
223 {
224 printout(true);
225 }
226
227 void operator()(uint32_t const c) noexcept
228 {
229 print_u32(c);
230 if (c == k_LF)
231 printout();
232 }
233
234}; // class Printer
235
236class Sink {
237public:
238 void operator()(uint32_t c) noexcept { }
239
240}; // class Sink
241
242#ifdef WITH_ICU
243
244static std::unique_ptr<bte::base::ICUDecoder>
245make_decoder(Options const& options)
246{
247 auto err = icu::ErrorCode{};
248
249 auto converter = std::shared_ptr<UConverter>{ucnv_openucnv_open_71(options.charset(), err), &ucnv_closeucnv_close_71};
250 if (err.isFailure()) {
251 if (!options.quiet())
252 g_printerr("Failure to open converter for \"%s\": %s\n",
253 options.charset(), err.errorName());
254 return {};
255 }
256
257 if (err.get() == U_AMBIGUOUS_ALIAS_WARNING) {
258 err.reset();
259 auto canonical = ucnv_getNameucnv_getName_71(converter.get(), err);
260 if (err.isSuccess() && !options.quiet())
261 g_printerr("Warning: charset \"%s\" is ambigous alias for \"%s\"\n",
262 options.charset(), canonical);
263 }
264
265 err.reset();
266 auto u32_converter = std::shared_ptr<UConverter>{ucnv_openucnv_open_71("utf32platformendian", err), &ucnv_closeucnv_close_71};
267 if (err.isFailure()) {
268 if (!options.quiet())
269 g_printerr("Failure to open converter for \"%s\": %s\n",
270 "UTF-32", err.errorName());
271 return {};
272 }
273
274 return std::make_unique<bte::base::ICUDecoder>(converter, u32_converter);
275}
276
277#endif /* WITH_ICU */
278
279class Processor {
280private:
281 gsize m_input_bytes{0};
282 gsize m_output_chars{0};
283 gsize m_errors{0};
284 GArray* m_bench_times{nullptr};
285
286 template<class Functor>
287 void
288 process_file_utf8(int fd,
289 Functor& func)
290 {
291 auto decoder = bte::base::UTF8Decoder{};
292
293 auto const buf_size = size_t{16384};
294 auto buf = g_new0(uint8_t, buf_size)(uint8_t *) (__extension__ ({ gsize __n = (gsize) (buf_size);
gsize __s = sizeof (uint8_t); gpointer __p; if (__s == 1) __p
= g_malloc0 (__n); else if (__builtin_constant_p (__n) &&
(__s == 0 || __n <= (9223372036854775807L *2UL+1UL) / __s
)) __p = g_malloc0 (__n * __s); else __p = g_malloc0_n (__n, __s
); __p; }));
295
296 auto start_time = g_get_monotonic_time();
297
298 auto buf_start = size_t{0};
299 for (;;) {
300 auto len = read(fd, buf + buf_start, buf_size - buf_start);
301 if (!len)
302 break;
303 if (len == -1) {
304 if (errno(*__errno_location ()) == EAGAIN11)
305 continue;
306 break;
307 }
308
309 m_input_bytes += len;
310
311 auto const bufend = buf + len;
312 for (auto sptr = buf; sptr < bufend; ++sptr) {
313 switch (decoder.decode(*sptr)) {
314 case bte::base::UTF8Decoder::REJECT_REWIND:
315 /* Rewind the stream.
316 * Note that this will never lead to a loop, since in the
317 * next round this byte *will* be consumed.
318 */
319 --sptr;
320 [[fallthrough]];
321 case bte::base::UTF8Decoder::REJECT:
322 decoder.reset();
323 /* Fall through to insert the U+FFFD replacement character. */
324 [[fallthrough]];
325 case bte::base::UTF8Decoder::ACCEPT:
326 func(decoder.codepoint());
327 m_output_chars++;
328
329 default:
330 break;
331 }
332 }
333 }
334
335 /* Flush remaining output; at most one character */
336 if (decoder.flush()) {
337 func(decoder.codepoint());
338 m_output_chars++;
339 }
340
341 auto const time_spent = int64_t{g_get_monotonic_time() - start_time};
342 g_array_append_val(m_bench_times, time_spent)g_array_append_vals (m_bench_times, &(time_spent), 1);
343
344 g_free(buf);
345 }
346
347#ifdef WITH_ICU
348 template<class Functor>
349 void
350 process_file_icu(int fd,
351 bte::base::ICUDecoder* decoder,
352 Functor& func)
353 {
354 decoder->reset();
355
356 auto const buf_size = size_t{16384};
357 auto buf = g_new0(uint8_t, buf_size)(uint8_t *) (__extension__ ({ gsize __n = (gsize) (buf_size);
gsize __s = sizeof (uint8_t); gpointer __p; if (__s == 1) __p
= g_malloc0 (__n); else if (__builtin_constant_p (__n) &&
(__s == 0 || __n <= (9223372036854775807L *2UL+1UL) / __s
)) __p = g_malloc0 (__n * __s); else __p = g_malloc0_n (__n, __s
); __p; }));
358
359 auto start_time = g_get_monotonic_time();
360
361 auto buf_start = size_t{0};
362 while (true) {
363 auto len = read(fd, buf + buf_start, buf_size - buf_start);
364 if (!len) /* EOF */
365 break;
366 if (len == -1) {
367 if (errno(*__errno_location ()) == EAGAIN11)
368 continue;
369 break;
370 }
371
372 m_input_bytes += len;
373
374 auto sptr = reinterpret_cast<uint8_t const*>(buf);
375 auto const sptrend = buf + len;
376 while (sptr < sptrend) {
377 /* Note that rewinding will never lead to an infinite loop,
378 * since when the decoder runs out of output, this input byte
379 * *will* be consumed.
380 */
381 switch (decoder->decode(&sptr)) {
382 case bte::base::ICUDecoder::Result::eSomething:
383 func(decoder->codepoint());
384 m_output_chars++;
385 break;
386
387 case bte::base::ICUDecoder::Result::eNothing:
388 break;
389
390 case bte::base::ICUDecoder::Result::eError:
391 // FIXMEchpe need do ++sptr here?
392 m_errors++;
393 decoder->reset();
394 break;
395 }
396 }
397 }
398
399 /* Flush remaining output */
400 auto sptr = reinterpret_cast<uint8_t const*>(buf + buf_size);
401 auto result = bte::base::ICUDecoder::Result{};
402 while ((result = decoder->decode(&sptr, true)) == bte::base::ICUDecoder::Result::eSomething) {
403 func(decoder->codepoint());
404 m_output_chars++;
405 }
406
407 auto const time_spent = int64_t{g_get_monotonic_time() - start_time};
408 g_array_append_val(m_bench_times, time_spent)g_array_append_vals (m_bench_times, &(time_spent), 1);
409
410 g_free(buf);
411 }
412#endif /* WITH_ICU */
413
414 template<class Functor>
415 bool
416 process_file(int fd,
417 Options const& options,
418 Functor& func)
419 {
420#ifdef WITH_ICU
421 auto decoder = std::unique_ptr<bte::base::ICUDecoder>{};
422 if (options.charset()) {
423 decoder = make_decoder(options);
424 if (!decoder)
425 return false;
426 }
427
428 assert(decoder != nullptr || options.charset() == nullptr)(static_cast <bool> (decoder != nullptr || options.charset
() == nullptr) ? void (0) : __assert_fail ("decoder != nullptr || options.charset() == nullptr"
, "../src/decoder-cat.cc", 428, __extension__ __PRETTY_FUNCTION__
));
429#endif
430
431 for (auto i = 0; i < options.repeat(); ++i) {
432 if (i > 0 && lseek(fd, 0, SEEK_SET0) != 0) {
433 auto errsv = bte::libc::ErrnoSaver{};
434 g_printerr("Failed to seek: %s\n", g_strerror(errsv));
435 return false;
436 }
437
438#ifdef WITH_ICU
439 if (decoder) {
440 process_file_icu(fd, decoder.get(), func);
441 } else
442#endif
443 {
444 process_file_utf8(fd, func);
445 }
446 }
447
448 return true;
449 }
450
451public:
452
453 Processor() noexcept
454 {
455 m_bench_times = g_array_new(false, true, sizeof(int64_t));
456 }
457
458 ~Processor() noexcept
459 {
460 g_array_free(m_bench_times, true);
461 }
462
463 template<class Functor>
464 bool
465 process_files(Options const& options,
466 Functor& func)
467 {
468 auto r = bool{true};
469 if (auto filenames = options.filenames(); filenames != nullptr) {
470 for (auto i = 0; filenames[i] != nullptr; i++) {
471 auto filename = filenames[i];
472
473 auto fd = int{-1};
474 if (g_str_equal(filename, "-")) {
475 fd = STDIN_FILENO0;
476
477 if (options.repeat() != 1) {
478 g_printerr("Cannot consume STDIN more than once\n");
479 return false;
480 }
481 } else {
482 fd = ::open(filename, O_RDONLY00);
483 if (fd == -1) {
484 auto errsv = bte::libc::ErrnoSaver{};
485 g_printerr("Error opening file %s: %s\n",
486 filename, g_strerror(errsv));
487 }
488 }
489 if (fd != -1) {
490 r = process_file(fd, options, func);
491 if (fd != STDIN_FILENO0)
492 close(fd);
493 if (!r)
494 break;
495 }
496 }
497 } else {
498 r = process_file(STDIN_FILENO0, options, func);
499 }
500
501 return r;
502 }
503
504 void print_statistics() const noexcept
505 {
506 g_printerr("%\'16" G_GSIZE_FORMAT"lu" " input bytes produced %\'16" G_GSIZE_FORMAT"lu"
507 " unichars and %" G_GSIZE_FORMAT"lu" " errors\n",
508 m_input_bytes, m_output_chars, m_errors);
509 }
510
511 void print_benchmark() const noexcept
512 {
513 g_array_sort(m_bench_times,
11
←
Value assigned to field 'len'
→
514 [](void const* p1, void const* p2) -> int {
515 int64_t const t1 = *(int64_t const*)p1;
516 int64_t const t2 = *(int64_t const*)p2;
517 return t1 == t2 ? 0 : (t1 < t2 ? -1 : 1);
518 });
519
520 auto total_time = int64_t{0};
521 for (unsigned int i = 0; i < m_bench_times->len; ++i)
12
←
Assuming 'i' is >= field 'len'
→
13
←
Loop condition is false. Execution continues on line 524
→
522 total_time += g_array_index(m_bench_times, int64_t, i)(((int64_t*) (void *) (m_bench_times)->data) [(i)]);
523
524 g_printerr("\nTimes: best %\'" G_GINT64_FORMAT"li" "µs "
525 "worst %\'" G_GINT64_FORMAT"li" "µs "
526 "average %\'" G_GINT64_FORMAT"li" "µs\n",
527 g_array_index(m_bench_times, int64_t, 0)(((int64_t*) (void *) (m_bench_times)->data) [(0)]),
528 g_array_index(m_bench_times, int64_t, m_bench_times->len - 1)(((int64_t*) (void *) (m_bench_times)->data) [(m_bench_times
->len - 1)]),
529 total_time / (int64_t)m_bench_times->len);
14
←
Division by zero
530 for (unsigned int i = 0; i < m_bench_times->len; ++i)
531 g_printerr(" %\'" G_GINT64_FORMAT"li" "µs\n",
532 g_array_index(m_bench_times, int64_t, i)(((int64_t*) (void *) (m_bench_times)->data) [(i)]));
533 }
534
535}; // class Processor
536
537// main
538
539int
540main(int argc,
541 char *argv[])
542{
543 setlocale(LC_ALL6, "");
544 _bte_debug_init_bte_external_debug_init();
545
546 auto options = Options{};
547 auto error = bte::glib::Error{};
548 if (!options.parse(argc, argv, error)) {
1
Taking false branch
→
549 g_printerr("Failed to parse arguments: %s\n", error.message());
550 return EXIT_FAILURE1;
551 }
552
553 if (options.list()) {
2
←
Assuming the condition is false
→
3
←
Taking false branch
→
554#ifdef WITH_ICU
555 auto charsets = bte::base::get_icu_charsets(true);
556 for (auto i = 0; charsets[i]; ++i)
557 g_print("%s\n", charsets[i]);
558 g_strfreev(charsets);
559
560 return EXIT_SUCCESS0;
561#else
562 g_printerr("ICU support not available.\n");
563 return EXIT_FAILURE1;
564#endif
565 }
566
567 auto rv = bool{};
568 auto proc = Processor{};
569 if (options.quiet()) {
4
←
Assuming the condition is true
→
5
←
Taking true branch
→
570 auto sink = Sink{};
571 rv = proc.process_files(options, sink);
572 } else {
573 auto printer = Printer{options.codepoints()};
574 rv = proc.process_files(options, printer);
575 }
576
577 if (options.statistics())
6
←
Assuming the condition is false
→
7
←
Taking false branch
→
578 proc.print_statistics();
579 if (options.benchmark())
8
←
Assuming the condition is true
→
9
←
Taking true branch
→
580 proc.print_benchmark();
10
←
Calling 'Processor::print_benchmark'
→
581
582 return rv ? EXIT_SUCCESS0 : EXIT_FAILURE1;
583}