* mingwex/feclearexcept.c (feclearexcept): Change declaration.

Do not return a value.
	* mingwex/fegetexceptflag.c (fegetexceptflag): Likewise.
	* mingwex/feraiseexcept.c (feraiseexcept): Likewise.
	* mingwex/fesetexceptflag.c (fesetexceptflag): Likewise.
	* mingwex/fegetenv.c (fegetenv): Likewise.
	* mingwex/fesetenv.c (fesetenv): Likewise.
	* mingwex/feupdateenv.c (feupdateenv): Likewise.
	* include/fenv.h (feclearexcept, fegetexceptflag, feraiseexcept,
	fesetexceptflag, fegetenv, fesetenv, feupdateenv): Correct
	prototypes.

winsup/mingw/include/fenv.h

@@ -65,10 +65,10 @@ extern "C" {
 /*TODO: Some of these could be inlined */
 /* 7.6.2 Exception */
 
-extern int __cdecl feclearexcept (int);
-extern int __cdecl fegetexceptflag (fexcept_t * flagp, int excepts);
-extern int __cdecl feraiseexcept (int excepts );
-extern int __cdecl fesetexceptflag (const fexcept_t *, int);
+extern void __cdecl feclearexcept (int);
+extern void __cdecl fegetexceptflag (fexcept_t * flagp, int excepts);
+extern void __cdecl feraiseexcept (int excepts );
+extern void __cdecl fesetexceptflag (const fexcept_t *, int);
 extern int __cdecl fetestexcept (int excepts);
 
 /* 7.6.3 Rounding */
@@ -78,9 +78,9 @@ extern int __cdecl fesetround (int mode);
 
 /* 7.6.4 Environment */
 
-extern int __cdecl fegetenv (fenv_t * envp);
-extern int __cdecl fesetenv (const fenv_t * );
-extern int __cdecl feupdateenv (const fenv_t *);
+extern void __cdecl fegetenv (fenv_t * envp);
+extern void __cdecl fesetenv (const fenv_t * );
+extern void __cdecl feupdateenv (const fenv_t *);
 extern int __cdecl feholdexcept (fenv_t *);
 
 #ifdef __cplusplus

winsup/mingw/mingwex/feclearexcept.c

@@ -4,11 +4,10 @@
    The feclearexcept function clears the supported exceptions
    represented by its argument.  */
 
-int feclearexcept (int excepts)
+void feclearexcept (int excepts)
 {
   fenv_t _env;
   __asm__ volatile ("fnstenv %0;" : "=m" (_env)); /* get the env */
   _env.__status_word &= ~(excepts & FE_ALL_EXCEPT); /* clear the except */
   __asm__ volatile ("fldenv %0;" :: "m" (_env)); /*set the env */
-  return 0;
 }

winsup/mingw/mingwex/fegetenv.c

@@ -4,9 +4,8 @@
    The fegetenv function stores the current floating-point environment
    in the object pointed to by envp. */
 
-int fegetenv (fenv_t * envp)
+void fegetenv (fenv_t * envp)
 {
   __asm__ ("fnstenv %0;": "=m" (*envp));
-  return 0;
 }
 

winsup/mingw/mingwex/fegetexceptflag.c

@@ -6,10 +6,9 @@
    representation of the exception flags indicated by the argument
    excepts in the object pointed to by the argument flagp.  */
 
-int fegetexceptflag (fexcept_t * flagp, int excepts)
+void fegetexceptflag (fexcept_t * flagp, int excepts)
 {
   unsigned short _sw;
   __asm__ ("fnstsw %%ax;": "=a" (_sw));
   *flagp = _sw  & excepts & FE_ALL_EXCEPT;
-  return 0;
 }

winsup/mingw/mingwex/feraiseexcept.c

@@ -8,12 +8,11 @@
    the inexact exception whenever it raises the overflow
    or underflow exception is implementation-defined. */
 
-int feraiseexcept (int excepts)
+void feraiseexcept (int excepts)
 {
   fenv_t _env;
   __asm__ volatile ("fnstenv %0;" : "=m" (_env));
   _env.__status_word |= excepts & FE_ALL_EXCEPT;
   __asm__ volatile ("fldenv %0;"
 		    "fwait;" : : "m" (_env));
-  return 0;
 }

winsup/mingw/mingwex/fesetenv.c

@@ -13,7 +13,7 @@
 
 extern void (*_imp___fpreset)( void ) ;
 
-int fesetenv (const fenv_t * envp)
+void fesetenv (const fenv_t * envp)
 {
   if (envp == FE_PC64_ENV)
    /*
@@ -38,5 +38,4 @@ int fesetenv (const fenv_t * envp)
 
   else
     __asm__ ("fldenv %0;" : : "m" (*envp));
-  return 0;
 }

winsup/mingw/mingwex/fesetexceptflag.c

@@ -9,7 +9,7 @@
    represented by the argument excepts. This function does not raise
    exceptions, but only sets the state of the flags. */ 
 
-int fesetexceptflag (const fexcept_t * flagp, int excepts) 
+void fesetexceptflag (const fexcept_t * flagp, int excepts) 
 { 
   fenv_t _env;
 
@@ -18,5 +18,4 @@ int fesetexceptflag (const fexcept_t * flagp, int excepts)
   _env.__status_word &= ~excepts;
   _env.__status_word |= (*flagp & excepts);
   __asm__ volatile ("fldenv %0;" : : "m" (_env));
-  return 0;
 }

winsup/mingw/mingwex/feupdateenv.c

@@ -10,11 +10,10 @@
 
 /* FIXME: this works but surely there must be a better way.  */
 
-int feupdateenv (const fenv_t * envp)
+void feupdateenv (const fenv_t * envp)
 {
   unsigned int _fexcept = fetestexcept (FE_ALL_EXCEPT); /*save excepts */
   fesetenv (envp); /* install the env  */
   feraiseexcept (_fexcept); /* raise the execept */
-  return 0;
 }