1 /* Copyright (C) 2001, 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library 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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 #include "spawn_int.h"
36 #include <sys/types.h>
48 static size_t umemlen;
51 static int test_expr (const char *expr, int expected, int expectedicase);
52 static int run_test (const char *expr, const char *mem, size_t memlen,
53 int icase, int expected);
54 static int run_test_backwards (const char *expr, const char *mem,
55 size_t memlen, int icase, int expected);
59 main (int argc, char *argv[])
69 static const struct option options[] =
71 {"timing",no_argument, &timing, 1 },
77 while (getopt_long (argc, argv, "", options, NULL) >= 0);
79 /* Make the content of the file available in memory. */
80 file = "../ChangeLog.8";
81 fd = open (file, O_RDONLY);
83 error (EXIT_FAILURE, errno, "cannot open %s", basename (file));
85 if (fstat (fd, &st) != 0)
86 error (EXIT_FAILURE, errno, "cannot stat %s", basename (file));
89 mem = (char *) malloc (memlen + 1);
91 error (EXIT_FAILURE, errno, "while allocating buffer");
93 if ((size_t) read (fd, mem, memlen) != memlen)
94 error (EXIT_FAILURE, 0, "cannot read entire file");
99 /* We have to convert a few things from Latin-1 to UTF-8. */
100 cd = iconv_open ("UTF-8", "ISO-8859-1");
101 if (cd == (iconv_t) -1)
102 error (EXIT_FAILURE, errno, "cannot get conversion descriptor");
104 /* For the second test we have to convert the file content to UTF-8.
105 Since the text is mostly ASCII it should be enough to allocate
106 twice as much memory for the UTF-8 text than for the Latin-1
108 umem = (char *) calloc (2, memlen);
110 error (EXIT_FAILURE, errno, "while allocating buffer");
115 outlen = 2 * memlen - 1;
116 iconv (cd, &inmem, &inlen, &outmem, &outlen);
117 umemlen = outmem - umem;
119 error (EXIT_FAILURE, errno, "cannot convert buffer");
121 #ifdef _POSIX_CPUTIME
122 /* See whether we can use the CPU clock. */
123 use_clock = clock_getcpuclockid (0, &cl) == 0;
127 re_set_syntax (RE_DEBUG);
130 /* Run the actual tests. All tests are run in a single-byte and a
131 multi-byte locale. */
132 result = test_expr ("[äáàâéèêíìîñöóòôüúùû]", 2, 2);
133 result |= test_expr ("G.ran", 2, 3);
134 result |= test_expr ("G.\\{1\\}ran", 2, 3);
135 result |= test_expr ("G.*ran", 3, 44);
136 result |= test_expr ("[äáàâ]", 0, 0);
137 result |= test_expr ("Uddeborg", 2, 2);
138 result |= test_expr (".Uddeborg", 2, 2);
140 /* Free the resources. */
150 test_expr (const char *expr, int expected, int expectedicase)
159 /* First test: search with an ISO-8859-1 locale. */
160 if (setlocale (LC_ALL, "de_DE.ISO-8859-1") == NULL)
161 error (EXIT_FAILURE, 0, "cannot set locale de_DE.ISO-8859-1");
163 printf ("\nTest \"%s\" with 8-bit locale\n", expr);
164 result = run_test (expr, mem, memlen, 0, expected);
165 printf ("\nTest \"%s\" with 8-bit locale, case insensitive\n", expr);
166 result |= run_test (expr, mem, memlen, 1, expectedicase);
167 printf ("\nTest \"%s\" backwards with 8-bit locale\n", expr);
168 result |= run_test_backwards (expr, mem, memlen, 0, expected);
169 printf ("\nTest \"%s\" backwards with 8-bit locale, case insensitive\n",
171 result |= run_test_backwards (expr, mem, memlen, 1, expectedicase);
173 /* Second test: search with an UTF-8 locale. */
174 if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
175 error (EXIT_FAILURE, 0, "cannot set locale de_DE.UTF-8");
177 inmem = (char *) expr;
178 inlen = strlen (expr);
179 outlen = inlen * MB_CUR_MAX;
180 outmem = uexpr = alloca (outlen + 1);
181 memset (outmem, '\0', outlen + 1);
182 iconv (cd, &inmem, &inlen, &outmem, &outlen);
184 error (EXIT_FAILURE, errno, "cannot convert expression");
187 printf ("\nTest \"%s\" with multi-byte locale\n", expr);
188 result |= run_test (uexpr, umem, umemlen, 0, expected);
189 printf ("\nTest \"%s\" with multi-byte locale, case insensitive\n", expr);
190 result |= run_test (uexpr, umem, umemlen, 1, expectedicase);
191 printf ("\nTest \"%s\" backwards with multi-byte locale\n", expr);
192 result |= run_test_backwards (uexpr, umem, umemlen, 0, expected);
193 printf ("\nTest \"%s\" backwards with multi-byte locale, case insensitive\n",
195 result |= run_test_backwards (uexpr, umem, umemlen, 1, expectedicase);
202 run_test (const char *expr, const char *mem, size_t memlen, int icase,
205 #ifdef _POSIX_CPUTIME
206 struct timespec start;
207 struct timespec finish;
214 #ifdef _POSIX_CPUTIME
215 if (use_clock && !timing)
216 use_clock = clock_gettime (cl, &start) == 0;
219 err = regcomp (&re, expr, REG_NEWLINE | (icase ? REG_ICASE : 0));
220 if (err != REG_NOERROR)
223 regerror (err, &re, buf, sizeof buf);
224 error (EXIT_FAILURE, 0, "cannot compile expression: %s", buf);
229 assert (mem[memlen] == '\0');
230 while (offset < memlen)
236 err = regexec (&re, mem + offset, 1, ma, 0);
237 if (err == REG_NOMATCH)
240 if (err != REG_NOERROR)
243 regerror (err, &re, buf, sizeof buf);
244 error (EXIT_FAILURE, 0, "cannot use expression: %s", buf);
247 assert (ma[0].rm_so >= 0);
248 sp = mem + offset + ma[0].rm_so;
249 while (sp > mem && sp[-1] != '\n')
252 ep = mem + offset + ma[0].rm_so;
253 while (*ep != '\0' && *ep != '\n')
256 printf ("match %d: \"%.*s\"\n", ++cnt, (int) (ep - sp), sp);
258 offset = ep + 1 - mem;
263 #ifdef _POSIX_CPUTIME
264 if (use_clock && !timing)
266 use_clock = clock_gettime (cl, &finish) == 0;
269 if (finish.tv_nsec < start.tv_nsec)
271 finish.tv_nsec -= start.tv_nsec - 1000000000;
272 finish.tv_sec -= 1 + start.tv_sec;
276 finish.tv_nsec -= start.tv_nsec;
277 finish.tv_sec -= start.tv_sec;
280 printf ("elapsed time: %ld.%09ld sec\n",
281 finish.tv_sec, finish.tv_nsec);
285 if (use_clock && timing)
287 struct timespec mintime = { .tv_sec = 24 * 60 * 60 };
289 for (int i = 0; i < 10; ++i)
292 use_clock = clock_gettime (cl, &start) == 0;
297 err = regcomp (&re, expr, REG_NEWLINE | (icase ? REG_ICASE : 0));
298 if (err != REG_NOERROR)
301 while (offset < memlen)
305 err = regexec (&re, mem + offset, 1, ma, 0);
306 if (err != REG_NOERROR)
309 offset += ma[0].rm_eo;
314 use_clock = clock_gettime (cl, &finish) == 0;
317 if (finish.tv_nsec < start.tv_nsec)
319 finish.tv_nsec -= start.tv_nsec - 1000000000;
320 finish.tv_sec -= 1 + start.tv_sec;
324 finish.tv_nsec -= start.tv_nsec;
325 finish.tv_sec -= start.tv_sec;
327 if (finish.tv_sec < mintime.tv_sec
328 || (finish.tv_sec == mintime.tv_sec
329 && finish.tv_nsec < mintime.tv_nsec))
333 printf ("elapsed time: %ld.%09ld sec\n",
334 mintime.tv_sec, mintime.tv_nsec);
338 /* Return an error if the number of matches found is not match we
340 return cnt != expected;
345 run_test_backwards (const char *expr, const char *mem, size_t memlen,
346 int icase, int expected)
348 #ifdef _POSIX_CPUTIME
349 struct timespec start;
350 struct timespec finish;
352 struct re_pattern_buffer re;
357 #ifdef _POSIX_CPUTIME
358 if (use_clock && !timing)
359 use_clock = clock_gettime (cl, &start) == 0;
362 re_set_syntax ((RE_SYNTAX_POSIX_BASIC & ~RE_DOT_NEWLINE)
363 | RE_HAT_LISTS_NOT_NEWLINE
364 | (icase ? RE_ICASE : 0));
366 memset (&re, 0, sizeof (re));
367 re.fastmap = malloc (256);
368 if (re.fastmap == NULL)
369 error (EXIT_FAILURE, errno, "cannot allocate fastmap");
371 err = re_compile_pattern (expr, strlen (expr), &re);
373 error (EXIT_FAILURE, 0, "cannot compile expression: %s", err);
375 if (re_compile_fastmap (&re))
376 error (EXIT_FAILURE, 0, "couldn't compile fastmap");
380 assert (mem[memlen] == '\0');
381 while (offset <= memlen)
387 start = re_search (&re, mem, memlen, offset, -offset, NULL);
392 error (EXIT_FAILURE, 0, "internal error in re_search");
395 while (sp > mem && sp[-1] != '\n')
399 while (*ep != '\0' && *ep != '\n')
402 printf ("match %d: \"%.*s\"\n", ++cnt, (int) (ep - sp), sp);
404 offset = sp - 1 - mem;
409 #ifdef _POSIX_CPUTIME
410 if (use_clock && !timing)
412 use_clock = clock_gettime (cl, &finish) == 0;
415 if (finish.tv_nsec < start.tv_nsec)
417 finish.tv_nsec -= start.tv_nsec - 1000000000;
418 finish.tv_sec -= 1 + start.tv_sec;
422 finish.tv_nsec -= start.tv_nsec;
423 finish.tv_sec -= start.tv_sec;
426 printf ("elapsed time: %ld.%09ld sec\n",
427 finish.tv_sec, finish.tv_nsec);
431 if (use_clock && timing)
433 struct timespec mintime = { .tv_sec = 24 * 60 * 60 };
435 for (int i = 0; i < 10; ++i)
438 use_clock = clock_gettime (cl, &start) == 0;
443 memset (&re, 0, sizeof (re));
444 re.fastmap = malloc (256);
445 if (re.fastmap == NULL)
448 err = re_compile_pattern (expr, strlen (expr), &re);
452 if (re_compile_fastmap (&re))
458 while (offset <= memlen)
463 start = re_search (&re, mem, memlen, offset, -offset, NULL);
468 while (sp > mem && sp[-1] != '\n')
471 offset = sp - 1 - mem;
476 use_clock = clock_gettime (cl, &finish) == 0;
479 if (finish.tv_nsec < start.tv_nsec)
481 finish.tv_nsec -= start.tv_nsec - 1000000000;
482 finish.tv_sec -= 1 + start.tv_sec;
486 finish.tv_nsec -= start.tv_nsec;
487 finish.tv_sec -= start.tv_sec;
489 if (finish.tv_sec < mintime.tv_sec
490 || (finish.tv_sec == mintime.tv_sec
491 && finish.tv_nsec < mintime.tv_nsec))
495 printf ("elapsed time: %ld.%09ld sec\n",
496 mintime.tv_sec, mintime.tv_nsec);
500 /* Return an error if the number of matches found is not match we
502 return cnt != expected;