250 lines
5.4 KiB
C
250 lines
5.4 KiB
C
#include <fcntl.h>
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#include <locale.h>
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#include <regex.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <unistd.h>
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#if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
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static clockid_t cl;
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static int use_clock;
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#endif
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static int
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do_test (void)
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{
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#if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
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# if _POSIX_CPUTIME == 0
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if (sysconf (_SC_CPUTIME) < 0)
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use_clock = 0;
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else
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# endif
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/* See whether we can use the CPU clock. */
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use_clock = clock_getcpuclockid (0, &cl) == 0;
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#endif
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static const char *pat[] = {
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".?.?.?.?.?.?.?Log\\.13",
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"(.?)(.?)(.?)(.?)(.?)(.?)(.?)Log\\.13",
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"((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))"
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"((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))"
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"((((((((((.?))))))))))Log\\.13" };
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int fd = open ("../ChangeLog.14", O_RDONLY);
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if (fd < 0)
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{
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printf ("Couldn't open ChangeLog.14: %m\n");
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return 1;
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}
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struct stat64 st;
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if (fstat64 (fd, &st) < 0)
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{
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printf ("Couldn't fstat ChangeLog.14: %m\n");
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return 1;
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}
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char *buf = malloc (st.st_size + 1);
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if (buf == NULL)
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{
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printf ("Couldn't allocate buffer: %m\n");
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return 1;
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}
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if (read (fd, buf, st.st_size) != (ssize_t) st.st_size)
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{
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puts ("Couldn't read ChangeLog.14");
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return 1;
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}
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close (fd);
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buf[st.st_size] = '\0';
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setlocale (LC_ALL, "de_DE.UTF-8");
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char *string = buf;
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size_t len = st.st_size;
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#ifndef WHOLE_FILE_TIMING
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/* Don't search the whole file normally, it takes too long. */
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if (len > 500000 + 64)
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{
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string += 500000;
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len -= 500000;
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}
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#endif
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for (int testno = 0; testno < 4; ++testno)
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for (int i = 0; i < sizeof (pat) / sizeof (pat[0]); ++i)
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{
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printf ("test %d pattern %d", testno, i);
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regex_t rbuf;
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struct re_pattern_buffer rpbuf;
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int err;
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if (testno < 2)
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{
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err = regcomp (&rbuf, pat[i],
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REG_EXTENDED | (testno ? REG_NOSUB : 0));
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if (err != 0)
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{
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putchar ('\n');
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char errstr[300];
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regerror (err, &rbuf, errstr, sizeof (errstr));
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puts (errstr);
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return err;
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}
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}
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else
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{
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re_set_syntax (RE_SYNTAX_POSIX_EGREP
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| (testno == 3 ? RE_NO_SUB : 0));
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memset (&rpbuf, 0, sizeof (rpbuf));
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const char *s = re_compile_pattern (pat[i], strlen (pat[i]),
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&rpbuf);
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if (s != NULL)
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{
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printf ("\n%s\n", s);
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return 1;
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}
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/* Just so that this can be tested with earlier glibc as well. */
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if (testno == 3)
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rpbuf.no_sub = 1;
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}
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#if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
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struct timespec start, stop;
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if (use_clock)
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use_clock = clock_gettime (cl, &start) == 0;
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#endif
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if (testno < 2)
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{
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regmatch_t pmatch[71];
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err = regexec (&rbuf, string, 71, pmatch, 0);
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if (err == REG_NOMATCH)
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{
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puts ("\nregexec failed");
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return 1;
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}
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if (testno == 0)
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{
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if (pmatch[0].rm_eo != pmatch[0].rm_so + 13
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|| pmatch[0].rm_eo > len
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|| pmatch[0].rm_so < len - 100
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|| strncmp (string + pmatch[0].rm_so,
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" ChangeLog.13 for earlier changes",
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sizeof " ChangeLog.13 for earlier changes" - 1)
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!= 0)
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{
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puts ("\nregexec without REG_NOSUB did not find the correct match");
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return 1;
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}
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if (i > 0)
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for (int j = 0, l = 1; j < 7; ++j)
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for (int k = 0; k < (i == 1 ? 1 : 10); ++k, ++l)
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if (pmatch[l].rm_so != pmatch[0].rm_so + j
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|| pmatch[l].rm_eo != pmatch[l].rm_so + 1)
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{
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printf ("\npmatch[%d] incorrect\n", l);
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return 1;
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}
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}
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}
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else
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{
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struct re_registers regs;
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memset (®s, 0, sizeof (regs));
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int match = re_search (&rpbuf, string, len, 0, len,
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®s);
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if (match < 0)
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{
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puts ("\nre_search failed");
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return 1;
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}
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if (match + 13 > len
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|| match < len - 100
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|| strncmp (string + match,
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" ChangeLog.13 for earlier changes",
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sizeof " ChangeLog.13 for earlier changes" - 1)
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!= 0)
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{
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puts ("\nre_search did not find the correct match");
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return 1;
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}
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if (testno == 2)
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{
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if (regs.num_regs != 2 + (i == 0 ? 0 : i == 1 ? 7 : 70))
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{
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printf ("\nincorrect num_regs %d\n", regs.num_regs);
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return 1;
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}
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if (regs.start[0] != match || regs.end[0] != match + 13)
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{
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printf ("\nincorrect regs.{start,end}[0] = { %d, %d}\n",
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regs.start[0], regs.end[0]);
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return 1;
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}
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if (regs.start[regs.num_regs - 1] != -1
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|| regs.end[regs.num_regs - 1] != -1)
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{
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puts ("\nincorrect regs.{start,end}[num_regs - 1]");
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return 1;
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}
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if (i > 0)
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for (int j = 0, l = 1; j < 7; ++j)
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for (int k = 0; k < (i == 1 ? 1 : 10); ++k, ++l)
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if (regs.start[l] != match + j
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|| regs.end[l] != regs.start[l] + 1)
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{
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printf ("\nregs.{start,end}[%d] incorrect\n", l);
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return 1;
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}
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}
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}
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#if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
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if (use_clock)
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use_clock = clock_gettime (cl, &stop) == 0;
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if (use_clock)
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{
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stop.tv_sec -= start.tv_sec;
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if (stop.tv_nsec < start.tv_nsec)
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{
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stop.tv_sec--;
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stop.tv_nsec += 1000000000 - start.tv_nsec;
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}
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else
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stop.tv_nsec -= start.tv_nsec;
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printf (": %ld.%09lds\n", (long) stop.tv_sec, (long) stop.tv_nsec);
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}
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else
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#endif
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putchar ('\n');
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if (testno < 2)
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regfree (&rbuf);
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else
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regfree (&rpbuf);
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}
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return 0;
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}
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#define TIMEOUT 20
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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