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-rw-r--r--testsuite/tst-regex2.c205
1 files changed, 205 insertions, 0 deletions
diff --git a/testsuite/tst-regex2.c b/testsuite/tst-regex2.c
new file mode 100644
index 0000000..6f487f8
--- /dev/null
+++ b/testsuite/tst-regex2.c
@@ -0,0 +1,205 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <regex.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+int
+main (int argc, char *argv[])
+{
+ struct stat st;
+ static const char *pat[] = {
+ ".?.?.?.?.?.?.?argc",
+ "(.?)(.?)(.?)(.?)(.?)(.?)(.?)argc",
+ "((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))"
+ "((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))"
+ "((((((((((.?))))))))))argc" };
+
+ size_t len;
+ int fd;
+ int testno, i, j, k, l;
+ char *string;
+ char *buf;
+
+ if (argc < 2)
+ abort ();
+
+ fd = open (argv[1], O_RDONLY);
+ if (fd < 0)
+ {
+ printf ("Couldn't open %s: %s\n", argv[1], strerror (errno));
+ abort ();
+ }
+
+ if (fstat (fd, &st) < 0)
+ {
+ printf ("Couldn't fstat %s: %s\n", argv[1], strerror (errno));
+ abort ();
+ }
+
+ buf = malloc (st.st_size + 1);
+ if (buf == NULL)
+ {
+ printf ("Couldn't allocate buffer: %s\n", strerror (errno));
+ abort ();
+ }
+
+ if (read (fd, buf, st.st_size) != (ssize_t) st.st_size)
+ {
+ printf ("Couldn't read %s", argv[1]);
+ abort ();
+ }
+
+ close (fd);
+ buf[st.st_size] = '\0';
+
+ string = buf;
+ len = st.st_size;
+
+ for (testno = 0; testno < 4; ++testno)
+ for (i = 0; i < sizeof (pat) / sizeof (pat[0]); ++i)
+ {
+ regex_t rbuf;
+ struct re_pattern_buffer rpbuf;
+ int err;
+
+ printf ("test %d pattern %d", testno, i);
+ if (testno < 2)
+ {
+ err = regcomp (&rbuf, pat[i],
+ REG_EXTENDED | (testno ? REG_NOSUB : 0));
+ if (err != 0)
+ {
+ char errstr[300];
+ putchar ('\n');
+ regerror (err, &rbuf, errstr, sizeof (errstr));
+ puts (errstr);
+ return err;
+ }
+ }
+ else
+ {
+ const char *s;
+ 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 ("\n%s\n", s);
+ abort ();
+ }
+
+ /* Just so that this can be tested with earlier glibc as well. */
+ if (testno == 3)
+ rpbuf.no_sub = 1;
+ }
+
+ if (testno < 2)
+ {
+ regmatch_t pmatch[71];
+ err = regexec (&rbuf, string, 71, pmatch, 0);
+ if (err == REG_NOMATCH)
+ {
+ puts ("\nregexec failed");
+ abort ();
+ }
+
+ if (testno == 0)
+ {
+ if (pmatch[0].rm_eo != pmatch[0].rm_so + 11
+ || pmatch[0].rm_eo > len
+ || string + pmatch[0].rm_so >= strchr (string, 'R')
+ || strncmp (string + pmatch[0].rm_so,
+ "n (int argc",
+ sizeof "n (int argc" - 1)
+ != 0)
+ {
+ puts ("\nregexec without REG_NOSUB did not find the correct match");
+ abort ();
+ }
+
+ if (i > 0)
+ 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 ("\npmatch[%d] incorrect\n", l);
+ abort ();
+ }
+ }
+ }
+ else
+ {
+ struct re_registers regs;
+ int match;
+
+ memset (&regs, 0, sizeof (regs));
+ match = re_search (&rpbuf, string, len, 0, len,
+ &regs);
+ if (match < 0)
+ {
+ puts ("\nre_search failed");
+ abort ();
+ }
+
+ if (match + 11 > len
+ || string + match >= strchr (string, 'R')
+ || strncmp (string + match,
+ "n (int argc",
+ sizeof "n (int argc" - 1)
+ != 0)
+ {
+ puts ("\nre_search did not find the correct match");
+ abort ();
+ }
+
+ if (testno == 2)
+ {
+ if (regs.num_regs != 2 + (i == 0 ? 0 : i == 1 ? 7 : 70))
+ {
+ printf ("\nincorrect num_regs %d\n", regs.num_regs);
+ abort ();
+ }
+
+ if (regs.start[0] != match || regs.end[0] != match + 11)
+ {
+ printf ("\nincorrect regs.{start,end}[0] = { %d, %d}\n",
+ regs.start[0], regs.end[0]);
+ abort ();
+ }
+
+ if (regs.start[regs.num_regs - 1] != -1
+ || regs.end[regs.num_regs - 1] != -1)
+ {
+ puts ("\nincorrect regs.{start,end}[num_regs - 1]");
+ abort ();
+ }
+
+ if (i > 0)
+ 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] != regs.start[l] + 1)
+ {
+ printf ("\nregs.{start,end}[%d] incorrect\n", l);
+ abort ();
+ }
+ }
+ }
+
+ putchar ('\n');
+
+ if (testno < 2)
+ regfree (&rbuf);
+ else
+ regfree (&rpbuf);
+ }
+
+ exit (0);
+}