newlib: Remove superfluous CHECK_STD_INIT() macro

This macro is unused or expands to nothing.

newlib/libc/machine/spu/c99ppe.h

@@ -105,6 +105,5 @@ FILE  *__sfp (struct _reent *);
 
 #define CHECK_INIT(ptr) \
   do { if ((ptr) && !(ptr)->__cleanup) __sinit (ptr); } while (0)
-#define CHECK_STD_INIT(ptr) /* currently, do nothing */
 #define CHECK_STR_INIT(ptr) /* currently, do nothing */
 #endif /* __ASSEMBLER__ */

newlib/libc/machine/spu/getchar.c

@@ -43,8 +43,6 @@ getchar ()
 {
   int ret;
 
-  CHECK_STD_INIT(_REENT);
-
   return __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_GETCHAR, &ret);
 }
 #endif /* ! _REENT_ONLY */

newlib/libc/machine/spu/gets.c

@@ -40,8 +40,6 @@ char *
 gets (buf)
      char *buf;
 {
-  CHECK_STD_INIT(_REENT);
-
   /* The return value gets written over buf
    */
   return (char*) __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_GETS, &buf);

newlib/libc/machine/spu/perror.c

@@ -19,8 +19,6 @@ perror (const char *s)
 {
   c99_perror_t arg;
 
-  CHECK_STD_INIT(_REENT);
-
   arg.str = s;
   arg.arg_errno = errno;
   __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PERROR, &arg);

newlib/libc/machine/spu/putchar.c

@@ -10,8 +10,6 @@ int
 putchar (c)
      int c;
 {
-  CHECK_STD_INIT(_REENT);
-
   /* c gets overwritten before return */
 
   return __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTCHAR, &c);

newlib/libc/machine/spu/puts.c

@@ -7,8 +7,6 @@
 int
 puts (char const * s)
 {
-  CHECK_STD_INIT(_REENT);
-
   /* The return value gets written over s
    */
   return __send_to_ppe(SPE_C99_SIGNALCODE, SPE_C99_PUTS, &s);

newlib/libc/machine/spu/vprintf.c

@@ -24,8 +24,6 @@ vprintf (const char *fmt,
 {
   c99_vprintf_t args;
 
-  CHECK_STD_INIT(_REENT);
-
   args.fmt = fmt;
   va_copy(args.ap,ap);
 

newlib/libc/machine/spu/vscanf.c

@@ -56,8 +56,6 @@ vscanf (const char *fmt,
 {
   c99_vscanf_t args;
 
-  CHECK_STD_INIT(_REENT);
-
   args.fmt = (char*) fmt;
   va_copy(args.ap,ap);
 

newlib/libc/stdio/local.h

@@ -220,15 +220,6 @@ extern _READ_WRITE_RETURN_TYPE __swrite64 (struct _reent *, void *,
   while (0)
 #endif /* !_REENT_SMALL || _REENT_GLOBAL_STDIO_STREAMS */
 
-#define CHECK_STD_INIT(ptr) \
-  do								\
-    {								\
-      struct _reent *_check_init_ptr = (ptr);			\
-      if ((_check_init_ptr) && !(_check_init_ptr)->__cleanup)	\
-	__sinit (_check_init_ptr);				\
-    }								\
-  while (0)
-
 /* Return true and set errno and stream error flag iff the given FILE
    cannot be written now.  */