aboutsummaryrefslogtreecommitdiff
path: root/coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c
diff options
context:
space:
mode:
Diffstat (limited to 'coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c')
-rw-r--r--coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c b/coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c
new file mode 100644
index 0000000..76aa92d
--- /dev/null
+++ b/coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c
@@ -0,0 +1,53 @@
+/* Test for memory/CPU leak in regcomp. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <sys/types.h>
+#include <sys/time.h>
+#ifdef HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+#include <regex.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define TEST_DATA_LIMIT (32 << 20)
+
+int
+main ()
+{
+#ifdef RLIMIT_DATA
+ regex_t re;
+ int reerr;
+
+ /* Try to avoid eating all memory if a test leaks. */
+ struct rlimit data_limit;
+ if (getrlimit (RLIMIT_DATA, &data_limit) == 0)
+ {
+ if ((rlim_t) TEST_DATA_LIMIT > data_limit.rlim_max)
+ data_limit.rlim_cur = data_limit.rlim_max;
+ else if (data_limit.rlim_cur > (rlim_t) TEST_DATA_LIMIT)
+ data_limit.rlim_cur = (rlim_t) TEST_DATA_LIMIT;
+ if (setrlimit (RLIMIT_DATA, &data_limit) < 0)
+ perror ("setrlimit: RLIMIT_DATA");
+ }
+ else
+ perror ("getrlimit: RLIMIT_DATA");
+
+ reerr = regcomp (&re, "^6?3?[25]?5?[14]*[25]*[69]*+[58]*87?4?$",
+ REG_EXTENDED | REG_NOSUB);
+ if (reerr != 0)
+ {
+ char buf[100];
+ regerror (reerr, &re, buf, sizeof buf);
+ printf ("regerror %s\n", buf);
+ return 1;
+ }
+
+ return 0;
+#else
+ return 77;
+#endif
+}