1 /* Copyright (C) 2001, 2003, 2008 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, see
16 <http://www.gnu.org/licenses/>. */
19 #include "spawn_int.h"
35 #include <sys/types.h>
39 #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
47 static size_t umemlen;
50 static int test_expr (const char *expr, int expected, int expectedicase);
51 static int run_test (const char *expr, const char *mem, size_t memlen,
52 int icase, int expected);
53 static int run_test_backwards (const char *expr, const char *mem,
54 size_t memlen, int icase, int expected);
71 /* Make the content of the file available in memory. */
72 file = "../ChangeLog.8";
73 fd = open (file, O_RDONLY);
75 error (EXIT_FAILURE, errno, "cannot open %s", basename (file));
77 if (fstat (fd, &st) != 0)
78 error (EXIT_FAILURE, errno, "cannot stat %s", basename (file));
81 mem = (char *) malloc (memlen + 1);
83 error (EXIT_FAILURE, errno, "while allocating buffer");
85 if ((size_t) read (fd, mem, memlen) != memlen)
86 error (EXIT_FAILURE, 0, "cannot read entire file");
91 /* We have to convert a few things from Latin-1 to UTF-8. */
92 cd = iconv_open ("UTF-8", "ISO-8859-1");
93 if (cd == (iconv_t) -1)
94 error (EXIT_FAILURE, errno, "cannot get conversion descriptor");
96 /* For the second test we have to convert the file content to UTF-8.
97 Since the text is mostly ASCII it should be enough to allocate
98 twice as much memory for the UTF-8 text than for the Latin-1
100 umem = (char *) calloc (2, memlen);
102 error (EXIT_FAILURE, errno, "while allocating buffer");
107 outlen = 2 * memlen - 1;
108 iconv (cd, &inmem, &inlen, &outmem, &outlen);
109 umemlen = outmem - umem;
111 error (EXIT_FAILURE, errno, "cannot convert buffer");
113 #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
114 # if _POSIX_CPUTIME == 0
115 if (sysconf (_SC_CPUTIME) < 0)
119 /* See whether we can use the CPU clock. */
120 use_clock = clock_getcpuclockid (0, &cl) == 0;
124 re_set_syntax (RE_DEBUG);
127 /* Run the actual tests. All tests are run in a single-byte and a
128 multi-byte locale. */
129 result = test_expr ("[äáàâéèêíìîñöóòôüúùû]", 2, 2);
130 result |= test_expr ("G.ran", 2, 3);
131 result |= test_expr ("G.\\{1\\}ran", 2, 3);
132 result |= test_expr ("G.*ran", 3, 44);
133 result |= test_expr ("[äáàâ]", 0, 0);
134 result |= test_expr ("Uddeborg", 2, 2);
135 result |= test_expr (".Uddeborg", 2, 2);
137 /* Free the resources. */
147 test_expr (const char *expr, int expected, int expectedicase)
156 /* First test: search with an ISO-8859-1 locale. */
157 if (setlocale (LC_ALL, "de_DE.ISO-8859-1") == NULL)
158 error (EXIT_FAILURE, 0, "cannot set locale de_DE.ISO-8859-1");
160 printf ("\nTest \"%s\" with 8-bit locale\n", expr);
161 result = run_test (expr, mem, memlen, 0, expected);
162 printf ("\nTest \"%s\" with 8-bit locale, case insensitive\n", expr);
163 result |= run_test (expr, mem, memlen, 1, expectedicase);
164 printf ("\nTest \"%s\" backwards with 8-bit locale\n", expr);
165 result |= run_test_backwards (expr, mem, memlen, 0, expected);
166 printf ("\nTest \"%s\" backwards with 8-bit locale, case insensitive\n",
168 result |= run_test_backwards (expr, mem, memlen, 1, expectedicase);
170 /* Second test: search with an UTF-8 locale. */
171 if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
172 error (EXIT_FAILURE, 0, "cannot set locale de_DE.UTF-8");
174 inmem = (char *) expr;
175 inlen = strlen (expr);
176 outlen = inlen * MB_CUR_MAX;
177 outmem = uexpr = alloca (outlen + 1);
178 memset (outmem, '\0', outlen + 1);
179 iconv (cd, &inmem, &inlen, &outmem, &outlen);
181 error (EXIT_FAILURE, errno, "cannot convert expression");
184 printf ("\nTest \"%s\" with multi-byte locale\n", expr);
185 result |= run_test (uexpr, umem, umemlen, 0, expected);
186 printf ("\nTest \"%s\" with multi-byte locale, case insensitive\n", expr);
187 result |= run_test (uexpr, umem, umemlen, 1, expectedicase);
188 printf ("\nTest \"%s\" backwards with multi-byte locale\n", expr);
189 result |= run_test_backwards (uexpr, umem, umemlen, 0, expected);
190 printf ("\nTest \"%s\" backwards with multi-byte locale, case insensitive\n",
192 result |= run_test_backwards (uexpr, umem, umemlen, 1, expectedicase);
199 run_test (const char *expr, const char *mem, size_t memlen, int icase,
202 #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
203 struct timespec start;
204 struct timespec finish;
211 #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
212 if (use_clock && !timing)
213 use_clock = clock_gettime (cl, &start) == 0;
216 err = regcomp (&re, expr, REG_NEWLINE | (icase ? REG_ICASE : 0));
217 if (err != REG_NOERROR)
220 regerror (err, &re, buf, sizeof buf);
221 error (EXIT_FAILURE, 0, "cannot compile expression: %s", buf);
226 assert (mem[memlen] == '\0');
227 while (offset < memlen)
233 err = regexec (&re, mem + offset, 1, ma, 0);
234 if (err == REG_NOMATCH)
237 if (err != REG_NOERROR)
240 regerror (err, &re, buf, sizeof buf);
241 error (EXIT_FAILURE, 0, "cannot use expression: %s", buf);
244 assert (ma[0].rm_so >= 0);
245 sp = mem + offset + ma[0].rm_so;
246 while (sp > mem && sp[-1] != '\n')
249 ep = mem + offset + ma[0].rm_so;
250 while (*ep != '\0' && *ep != '\n')
253 printf ("match %d: \"%.*s\"\n", ++cnt, (int) (ep - sp), sp);
255 offset = ep + 1 - mem;
260 #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
261 if (use_clock && !timing)
263 use_clock = clock_gettime (cl, &finish) == 0;
266 if (finish.tv_nsec < start.tv_nsec)
268 finish.tv_nsec -= start.tv_nsec - 1000000000;
269 finish.tv_sec -= 1 + start.tv_sec;
273 finish.tv_nsec -= start.tv_nsec;
274 finish.tv_sec -= start.tv_sec;
277 printf ("elapsed time: %ld.%09ld sec\n",
278 finish.tv_sec, finish.tv_nsec);
282 if (use_clock && timing)
284 struct timespec mintime = { .tv_sec = 24 * 60 * 60 };
286 for (int i = 0; i < 10; ++i)
289 use_clock = clock_gettime (cl, &start) == 0;
294 err = regcomp (&re, expr, REG_NEWLINE | (icase ? REG_ICASE : 0));
295 if (err != REG_NOERROR)
298 while (offset < memlen)
302 err = regexec (&re, mem + offset, 1, ma, 0);
303 if (err != REG_NOERROR)
306 offset += ma[0].rm_eo;
311 use_clock = clock_gettime (cl, &finish) == 0;
314 if (finish.tv_nsec < start.tv_nsec)
316 finish.tv_nsec -= start.tv_nsec - 1000000000;
317 finish.tv_sec -= 1 + start.tv_sec;
321 finish.tv_nsec -= start.tv_nsec;
322 finish.tv_sec -= start.tv_sec;
324 if (finish.tv_sec < mintime.tv_sec
325 || (finish.tv_sec == mintime.tv_sec
326 && finish.tv_nsec < mintime.tv_nsec))
330 printf ("elapsed time: %ld.%09ld sec\n",
331 mintime.tv_sec, mintime.tv_nsec);
335 /* Return an error if the number of matches found is not match we
337 return cnt != expected;
342 run_test_backwards (const char *expr, const char *mem, size_t memlen,
343 int icase, int expected)
345 #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
346 struct timespec start;
347 struct timespec finish;
349 struct re_pattern_buffer re;
354 #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
355 if (use_clock && !timing)
356 use_clock = clock_gettime (cl, &start) == 0;
359 re_set_syntax ((RE_SYNTAX_POSIX_BASIC & ~RE_DOT_NEWLINE)
360 | RE_HAT_LISTS_NOT_NEWLINE
361 | (icase ? RE_ICASE : 0));
363 memset (&re, 0, sizeof (re));
364 re.fastmap = malloc (256);
365 if (re.fastmap == NULL)
366 error (EXIT_FAILURE, errno, "cannot allocate fastmap");
368 err = re_compile_pattern (expr, strlen (expr), &re);
370 error (EXIT_FAILURE, 0, "cannot compile expression: %s", err);
372 if (re_compile_fastmap (&re))
373 error (EXIT_FAILURE, 0, "couldn't compile fastmap");
377 assert (mem[memlen] == '\0');
378 while (offset <= memlen)
384 start = re_search (&re, mem, memlen, offset, -offset, NULL);
389 error (EXIT_FAILURE, 0, "internal error in re_search");
392 while (sp > mem && sp[-1] != '\n')
396 while (*ep != '\0' && *ep != '\n')
399 printf ("match %d: \"%.*s\"\n", ++cnt, (int) (ep - sp), sp);
401 offset = sp - 1 - mem;
406 #if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
407 if (use_clock && !timing)
409 use_clock = clock_gettime (cl, &finish) == 0;
412 if (finish.tv_nsec < start.tv_nsec)
414 finish.tv_nsec -= start.tv_nsec - 1000000000;
415 finish.tv_sec -= 1 + start.tv_sec;
419 finish.tv_nsec -= start.tv_nsec;
420 finish.tv_sec -= start.tv_sec;
423 printf ("elapsed time: %ld.%09ld sec\n",
424 finish.tv_sec, finish.tv_nsec);
428 if (use_clock && timing)
430 struct timespec mintime = { .tv_sec = 24 * 60 * 60 };
432 for (int i = 0; i < 10; ++i)
435 use_clock = clock_gettime (cl, &start) == 0;
440 memset (&re, 0, sizeof (re));
441 re.fastmap = malloc (256);
442 if (re.fastmap == NULL)
445 err = re_compile_pattern (expr, strlen (expr), &re);
449 if (re_compile_fastmap (&re))
455 while (offset <= memlen)
460 start = re_search (&re, mem, memlen, offset, -offset, NULL);
465 while (sp > mem && sp[-1] != '\n')
468 offset = sp - 1 - mem;
473 use_clock = clock_gettime (cl, &finish) == 0;
476 if (finish.tv_nsec < start.tv_nsec)
478 finish.tv_nsec -= start.tv_nsec - 1000000000;
479 finish.tv_sec -= 1 + start.tv_sec;
483 finish.tv_nsec -= start.tv_nsec;
484 finish.tv_sec -= start.tv_sec;
486 if (finish.tv_sec < mintime.tv_sec
487 || (finish.tv_sec == mintime.tv_sec
488 && finish.tv_nsec < mintime.tv_nsec))
492 printf ("elapsed time: %ld.%09ld sec\n",
493 mintime.tv_sec, mintime.tv_nsec);
497 /* Return an error if the number of matches found is not match we
499 return cnt != expected;
502 /* If --timing is used we will need a larger timout. */
504 #define CMDLINE_OPTIONS \
505 {"timing", no_argument, &timing, 1 },
506 #define TEST_FUNCTION do_test ()
507 #include "../test-skeleton.c"