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Hide the declaration of ffs() if an inline ffs() is implemented.

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I couldn't find a better way to avoid compiler warnings about
redundant and/or inconsistent declaration of ffs().  I'd like to
be able to declare prototypes in general headers without committing
to implementing them as `static inline' or `extern', but there
seems to be no way to do this with gcc-2.6.1.  E.g.,

	int foo(void);
	static __inline int foo(void) { return 1; }

causes a warning about the linkage mismatch, while the opposite
order causes a warning about the redundant declaration.
This commit is contained in:
Bruce Evans 1994-11-14 14:56:46 +00:00
parent e77e2e6ca1
commit 1b099e1e02
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=4477
2 changed files with 6 additions and 2 deletions
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4
sys/libkern/libkern.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)libkern.h 8.1 (Berkeley) 6/10/93
* $Id: libkern.h,v 1.3 1994/08/30 18:19:47 davidg Exp $
* $Id: libkern.h,v 1.4 1994/09/18 23:04:25 bde Exp $
*/
#include <sys/types.h>
@ -49,7 +49,9 @@ static inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
/* Prototypes for non-quad routines. */
int bcmp __P((const void *, const void *, size_t));
#ifndef HAVE_INLINE_FFS
int ffs __P((int));
#endif
int locc __P((int, char *, u_int));
u_long random __P((void));
char *rindex __P((const char *, int));

4
sys/sys/libkern.h
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)libkern.h 8.1 (Berkeley) 6/10/93
* $Id: libkern.h,v 1.3 1994/08/30 18:19:47 davidg Exp $
* $Id: libkern.h,v 1.4 1994/09/18 23:04:25 bde Exp $
*/
#include <sys/types.h>
@ -49,7 +49,9 @@ static inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
/* Prototypes for non-quad routines. */
int bcmp __P((const void *, const void *, size_t));
#ifndef HAVE_INLINE_FFS
int ffs __P((int));
#endif
int locc __P((int, char *, u_int));
u_long random __P((void));
char *rindex __P((const char *, int));