1 files changed, 47 insertions, 0 deletions
diff --git a/testsuite/bug-regex15.c b/testsuite/bug-regex15.c
new file mode 100644
index 0000000..c7eddf7
--- /dev/null
+++ b/testsuite/bug-regex15.c
@@ -0,0 +1,47 @@
+/* Test for memory/CPU leak in regcomp.  */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#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
+}