On Tue, 29 Jan 2019 08:29:16 -0500 "Jason J. Herne" <[email protected]> wrote:
> Introduce inline functions to convert between pointers and unsigned 32-bit > ints. These are used to hide the ugliness required to avoid compiler > warnings. > > Signed-off-by: Jason J. Herne <[email protected]> > --- > pc-bios/s390-ccw/libc.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/pc-bios/s390-ccw/libc.h b/pc-bios/s390-ccw/libc.h > index 818517f..e198f0b 100644 > --- a/pc-bios/s390-ccw/libc.h > +++ b/pc-bios/s390-ccw/libc.h > @@ -19,6 +19,18 @@ typedef unsigned short uint16_t; > typedef unsigned int uint32_t; > typedef unsigned long long uint64_t; > > +/* Avoids compiler warnings when casting a pointer to a u32 */ > +static inline uint32_t ptr2u32(void *ptr) > +{ > + return (uint32_t)(uint64_t)ptr; > +} > + > +/* Avoids compiler warnings when casting a u32 to a pointer */ > +static inline void *u32toptr(uint32_t n) > +{ > + return (void *)(uint64_t)n; > +} > + > static inline void *memset(void *s, int c, size_t n) > { > size_t i; Ugly, but I hope any users of these already know what they're doing :) Acked-by: Cornelia Huck <[email protected]>
