Add new interceptors: getnetent(3) family

Summary:
getnetent, getnetbyaddr, getnetbyname - get network entry

Reuse them on NetBSD.

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, vitalybuka

Reviewed By: vitalybuka

Subscribers: llvm-commits, kubamracek, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D43543

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@326163 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 84 insertions, 0 deletions

diff --git a/test/sanitizer_common/TestCases/NetBSD/netent.cc b/test/sanitizer_common/TestCases/NetBSD/netent.cc
new file mode 100644
index 000000000..b574a9310
--- /dev/null
+++ b/test/sanitizer_common/TestCases/NetBSD/netent.cc
@@ -0,0 +1,84 @@
+// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
+
+#include <inttypes.h>
+#include <netdb.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define STRING_OR_NULL(x) ((x) ? (x) : "null")
+
+void test1() {
+  struct netent *ntp = getnetent();
+
+  printf("%s ", ntp->n_name);
+
+  for (char **cp = ntp->n_aliases; *cp != NULL; cp++)
+    printf("%s ", STRING_OR_NULL(*cp));
+
+  printf("%d ", ntp->n_addrtype);
+  printf("%" PRIu32 "\n", ntp->n_net);
+
+  endnetent();
+}
+
+void test2() {
+  struct netent *ntp = getnetbyname("loopback");
+
+  printf("%s ", ntp->n_name);
+
+  for (char **cp = ntp->n_aliases; *cp != NULL; cp++)
+    printf("%s ", STRING_OR_NULL(*cp));
+
+  printf("%d ", ntp->n_addrtype);
+  printf("%" PRIu32 "\n", ntp->n_net);
+
+  endnetent();
+}
+
+void test3() {
+  struct netent *ntp = getnetbyaddr(127, 2);
+
+  printf("%s ", ntp->n_name);
+
+  for (char **cp = ntp->n_aliases; *cp != NULL; cp++)
+    printf("%s ", STRING_OR_NULL(*cp));
+
+  printf("%d ", ntp->n_addrtype);
+  printf("%" PRIu32 "\n", ntp->n_net);
+
+  endnetent();
+}
+
+void test4() {
+  setnetent(1);
+
+  struct netent *ntp = getnetent();
+
+  printf("%s ", ntp->n_name);
+
+  for (char **cp = ntp->n_aliases; *cp != NULL; cp++)
+    printf("%s ", STRING_OR_NULL(*cp));
+
+  printf("%d ", ntp->n_addrtype);
+  printf("%" PRIu32 "\n", ntp->n_net);
+
+  endnetent();
+}
+
+int main(void) {
+  printf("netent\n");
+
+  test1();
+  test2();
+  test3();
+  test4();
+
+  // CHECK: netent
+  // CHECK: loopback 2 127
+  // CHECK: loopback 2 127
+  // CHECK: loopback 2 127
+  // CHECK: loopback 2 127
+
+  return 0;
+}