[compiler-rt] r348369 - Add a new interceptor for nl_langinfo(3) from NetBSD

[Kamil Rytarowski via llvm-commits]

Author: kamil
Date: Wed Dec  5 07:06:53 2018
New Revision: 348369

URL: http://llvm.org/viewvc/llvm-project?rev=348369&view=rev
Log:
Add a new interceptor for nl_langinfo(3) from NetBSD

Summary:
nl_langinfo - gets locale information.

Add a dedicated test.

Reviewers: vitalybuka, joerg

Reviewed By: vitalybuka

Subscribers: kubamracek, llvm-commits, mgorny, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D55015

Added:
    compiler-rt/trunk/test/sanitizer_common/TestCases/NetBSD/nl_langinfo.cc
Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc?rev=348369&r1=348368&r2=348369&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_common_interceptors.inc Wed Dec  5 07:06:53 2018
@@ -7664,6 +7664,19 @@ INTERCEPTOR(int, sysctlgetmibinfo, char
 #define INIT_SYSCTLGETMIBINFO
 #endif
 
+#if SANITIZER_INTERCEPT_NL_LANGINFO
+INTERCEPTOR(char *, nl_langinfo, long item) {
+  void *ctx;
+  COMMON_INTERCEPTOR_ENTER(ctx, nl_langinfo, item);
+  char *ret = REAL(nl_langinfo)(item);
+  if (ret)
+    COMMON_INTERCEPTOR_WRITE_RANGE(ctx, ret, REAL(strlen)(ret) + 1);
+  return ret;
+}
+#define INIT_NL_LANGINFO COMMON_INTERCEPT_FUNCTION(nl_langinfo)
+#else
+#define INIT_NL_LANGINFO
+#endif
 
 static void InitializeCommonInterceptors() {
   static u64 metadata_mem[sizeof(MetadataHashMap) / sizeof(u64) + 1];
@@ -7927,6 +7940,7 @@ static void InitializeCommonInterceptors
   INIT_SYSCTL;
   INIT_ASYSCTL;
   INIT_SYSCTLGETMIBINFO;
+  INIT_NL_LANGINFO;
 
   INIT___PRINTF_CHK;
 }

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h?rev=348369&r1=348368&r2=348369&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h Wed Dec  5 07:06:53 2018
@@ -520,6 +520,7 @@
   SI_LINUX || SI_MAC)
 #define SANITIZER_INTERCEPT_GETMNTINFO SI_NETBSD
 #define SANITIZER_INTERCEPT_MI_VECTOR_HASH SI_NETBSD
+#define SANITIZER_INTERCEPT_NL_LANGINFO SI_NETBSD
 #define SANITIZER_INTERCEPT_GETVFSSTAT SI_NETBSD
 #define SANITIZER_INTERCEPT_REGEX SI_NETBSD
 #define SANITIZER_INTERCEPT_FTS SI_NETBSD

Added: compiler-rt/trunk/test/sanitizer_common/TestCases/NetBSD/nl_langinfo.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/sanitizer_common/TestCases/NetBSD/nl_langinfo.cc?rev=348369&view=auto
==============================================================================
--- compiler-rt/trunk/test/sanitizer_common/TestCases/NetBSD/nl_langinfo.cc (added)
+++ compiler-rt/trunk/test/sanitizer_common/TestCases/NetBSD/nl_langinfo.cc Wed Dec  5 07:06:53 2018
@@ -0,0 +1,18 @@
+// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
+
+#include <langinfo.h>
+
+#include <stdio.h>
+
+int main(void) {
+  printf("nl_langinfo\n");
+
+  char *info = nl_langinfo(DAY_1);
+
+  printf("DAY_1='%s'\n", info);
+
+  // CHECK: nl_langinfo
+  // CHECK: DAY_1='{{.*}}'
+
+  return 0;
+}