Explain how wcswcs ended up in ndk_cruft.cpp.

(cherry picked from commit 1628eb1d43008c52b00ec98d10c4fd9e8b6fc7c5)

Change-Id: I335b35038781d0426b3647727e6c4f22c83e187b

diff --git a/libc/bionic/ndk_cruft.cpp b/libc/bionic/ndk_cruft.cpp
index e3e640a..0c72019 100644 (file)
--- a/libc/bionic/ndk_cruft.cpp
+++ b/libc/bionic/ndk_cruft.cpp
@@ -225,6 +225,7 @@ extern "C" int tkill(pid_t tid, int sig) {
   return syscall(__NR_tkill, tid, sig);
 }
 
+// This was removed from POSIX 2008.
 extern "C" wchar_t* wcswcs(wchar_t* haystack, wchar_t* needle) {
   return wcsstr(haystack, needle);
 }
@@ -267,7 +268,7 @@ extern "C" int getdtablesize() {
   return r.rlim_cur;
 }
 
-// Only used by ftime, which was removed from POSIX.
+// Only used by ftime, which was removed from POSIX 2008.
 struct timeb {
   time_t          time;
   unsigned short  millitm;