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#define _GNU_SOURCE 1
#include <fcntl.h>
#include <locale.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include <errno.h>
static int
do_test(void)
{
static const char *pat[] = {
".?.?.?.?.?.?.?Log\\.13",
"(.?)(.?)(.?)(.?)(.?)(.?)(.?)Log\\.13",
"((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))"
"((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))"
"((((((((((.?))))))))))Log\\.13"
};
char *buf, *string;
const char *fname = "tst-regex2.data";
struct stat st;
unsigned len;
int testno;
int fd = open(fname, O_RDONLY);
if (fd < 0) {
printf("Couldn't open %s: %s\n", fname, strerror(errno));
return 1;
}
if (fstat(fd, &st) < 0) {
printf("Couldn't fstat %s: %s\n", fname, strerror(errno));
return 1;
}
len = st.st_size;
string = buf = malloc(len + 1);
if (buf == NULL) {
printf("Couldn't allocate %u bytes\n", len + 1);
return 1;
}
if (read(fd, buf, st.st_size) != (ssize_t) st.st_size) {
printf("Couldn't read %s\n", fname);
return 1;
}
close(fd);
buf[len] = '\0';
#if defined __UCLIBC_HAS_XLOCALE__ || !defined __UCLIBC__
setlocale(LC_ALL, "de_DE.UTF-8");
#endif
for (testno = 0; testno < 2; ++testno) {
int i;
for (i = 0; i < sizeof(pat) / sizeof(pat[0]); ++i) {
struct timeval start, stop;
regex_t rbuf;
int err;
printf("test %d pattern %d '%s'\n", testno, i, pat[i]);
gettimeofday(&start, NULL);
err = regcomp(&rbuf, pat[i],
REG_EXTENDED | (testno ? REG_NOSUB : 0));
if (err != 0) {
char errstr[300];
regerror(err, &rbuf, errstr, sizeof(errstr));
puts(errstr);
return err;
}
regmatch_t pmatch[71];
err = regexec(&rbuf, string, 71, pmatch, 0);
if (err == REG_NOMATCH) {
puts("regexec failed");
return 1;
}
if (testno == 0) {
if (pmatch[0].rm_eo != pmatch[0].rm_so + 13
|| pmatch[0].rm_eo > len
|| pmatch[0].rm_so < len - 100
|| strncmp(string + pmatch[0].rm_so,
" ChangeLog.13 for earlier changes",
sizeof " ChangeLog.13 for earlier changes" - 1
) != 0
) {
puts("regexec without REG_NOSUB did not find the correct match");
return 1;
}
if (i > 0) {
int j, k, l;
for (j = 0, l = 1; j < 7; ++j) {
for (k = 0; k < (i == 1 ? 1 : 10); ++k, ++l) {
if (pmatch[l].rm_so != pmatch[0].rm_so + j
|| pmatch[l].rm_eo != pmatch[l].rm_so + 1
) {
printf("pmatch[%d] incorrect\n", l);
return 1;
}
}
}
}
}
gettimeofday(&stop, NULL);
stop.tv_sec -= start.tv_sec;
if (stop.tv_usec < start.tv_usec) {
stop.tv_sec--;
stop.tv_usec += 1000000;
}
stop.tv_usec -= start.tv_usec;
printf(" %lu.%06lus\n", (unsigned long) stop.tv_sec,
(unsigned long) stop.tv_usec);
regfree(&rbuf);
}
}
for (testno = 2; testno < 4; ++testno) {
int i;
for (i = 0; i < sizeof(pat) / sizeof(pat[0]); ++i) {
struct timeval start, stop;
struct re_pattern_buffer rpbuf;
struct re_registers regs;
const char *s;
int match;
printf("test %d pattern %d '%s'\n", testno, i, pat[i]);
gettimeofday(&start, NULL);
re_set_syntax(RE_SYNTAX_POSIX_EGREP
| (testno == 3 ? RE_NO_SUB : 0));
memset(&rpbuf, 0, sizeof(rpbuf));
s = re_compile_pattern(pat[i], strlen(pat[i]), &rpbuf);
if (s != NULL) {
printf("%s\n", s);
return 1;
}
memset(®s, 0, sizeof(regs));
match = re_search(&rpbuf, string, len, 0, len, ®s);
if (match < 0) {
printf("re_search failed (err:%d)\n", match);
return 1;
}
if (match + 13 > len) {
printf("re_search: match+13 > len (%d > %d)\n", match + 13, len);
return 1;
}
if (match < len - 100) {
printf("re_search: match < len-100 (%d < %d)\n", match, len - 100);
return 1;
}
if (strncmp(string + match, " ChangeLog.13 for earlier changes",
sizeof(" ChangeLog.13 for earlier changes") - 1
) != 0
) {
printf("re_search did not find the correct match"
"(found '%s' instead)\n", string + match);
return 1;
}
if (testno == 2) {
int expected = 72;
if (i == 0)
expected = 2;
if (i == 1)
expected = 9;
if (regs.num_regs != expected) {
printf("incorrect num_regs %d, expected %d\n", regs.num_regs, expected);
return 1;
}
if (regs.start[0] != match || regs.end[0] != match + 13) {
printf("incorrect regs.{start,end}[0] = { %d, %d },"
" expected { %d, %d }\n",
regs.start[0], regs.end[0],
match, match + 13
);
return 1;
}
if (regs.start[regs.num_regs - 1] != -1
|| regs.end[regs.num_regs - 1] != -1
) {
printf("incorrect regs.{start,end}[num_regs - 1] = { %d, %d },"
" expected { -1, -1 }\n",
regs.start[regs.num_regs - 1], regs.end[regs.num_regs - 1]
);
return 1;
}
if (i > 0) {
int j, k, l;
for (j = 0, l = 1; j < 7; ++j) {
for (k = 0; k < (i == 1 ? 1 : 10); ++k, ++l) {
if (regs.start[l] != match + j
|| regs.end[l] != match + j + 1
) {
printf("incorrect regs.{start,end}[%d] = { %d, %d },"
" expected { %d, %d }\n",
l,
regs.start[l], regs.end[l],
match + j, match + j + 1
);
return 1;
}
}
}
}
}
gettimeofday(&stop, NULL);
stop.tv_sec -= start.tv_sec;
if (stop.tv_usec < start.tv_usec) {
stop.tv_sec--;
stop.tv_usec += 1000000;
}
stop.tv_usec -= start.tv_usec;
printf(" %lu.%06lus\n", (unsigned long) stop.tv_sec,
(unsigned long) stop.tv_usec);
regfree(&rpbuf);
}
}
return 0;
}
#define TIMEOUT 20
#define TEST_FUNCTION do_test()
#include "../test-skeleton.c"
|
