Remove declaration for putw(3)/getw(3).

These were both removed from POSIX 2004, and we don't define an
implementation for getw(3). Keep the definition of put(3) on LP32 for
binary compatibility.

Bug: 13935372
Change-Id: Iba384b45093ac6d2d7c2d81f7980cd7701dd6f56

libc/Android.mk

@@ -418,7 +418,6 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdio/putc.c \
     upstream-openbsd/lib/libc/stdio/putchar.c \
     upstream-openbsd/lib/libc/stdio/puts.c \
-    upstream-openbsd/lib/libc/stdio/putw.c \
     upstream-openbsd/lib/libc/stdio/putwc.c \
     upstream-openbsd/lib/libc/stdio/putwchar.c \
     upstream-openbsd/lib/libc/stdio/refill.c \

libc/arch-arm/arm.mk

@@ -5,6 +5,7 @@ libc_common_src_files_arm := \
     bionic/legacy_32_bit_support.cpp \
     bionic/ndk_cruft.cpp \
     bionic/time64.c \
+    upstream-openbsd/lib/libc/stdio/putw.c \
 
 # These are shared by all the 32-bit targets, but not the 64-bit ones.
 libc_bionic_src_files_arm := \

libc/arch-mips/mips.mk

@@ -5,6 +5,7 @@ libc_common_src_files_mips := \
     bionic/legacy_32_bit_support.cpp \
     bionic/ndk_cruft.cpp \
     bionic/time64.c \
+    upstream-openbsd/lib/libc/stdio/putw.c \
 
 # These are shared by all the 32-bit targets, but not the 64-bit ones.
 libc_bionic_src_files_mips += \

libc/arch-x86/x86.mk

@@ -5,6 +5,7 @@ libc_common_src_files_x86 := \
     bionic/legacy_32_bit_support.cpp \
     bionic/ndk_cruft.cpp \
     bionic/time64.c \
+    upstream-openbsd/lib/libc/stdio/putw.c \
 
 # Fortify implementations of libc functions.
 libc_common_src_files_x86 += \

libc/include/stdio.h

@@ -339,8 +339,6 @@ int	 asprintf(char ** __restrict, const char * __restrict, ...)
 		__printflike(2, 3);
 char	*fgetln(FILE * __restrict, size_t * __restrict);
 int	 fpurge(FILE *);
-int	 getw(FILE *);
-int	 putw(int, FILE *);
 void	 setbuffer(FILE *, char *, int);
 int	 setlinebuf(FILE *);
 int	 vasprintf(char ** __restrict, const char * __restrict,

tests/stdio_test.cpp

@@ -531,10 +531,6 @@ TEST(stdio, cantwrite_EBADF) {
   EXPECT_EQ(EBADF, errno);
 #endif
 
-  errno = 0;
-  EXPECT_EQ(EOF, putw(1234, fp));
-  EXPECT_EQ(EBADF, errno);
-
   errno = 0;
   EXPECT_EQ(0U, fwrite("hello", 1, 2, fp));
   EXPECT_EQ(EBADF, errno);