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Annotation of qemu/roms/ipxe/src/include/strings.h, revision 1.1

1.1     ! root        1: #ifndef _STRINGS_H
        !             2: #define _STRINGS_H
        !             3: 
        !             4: FILE_LICENCE ( GPL2_OR_LATER );
        !             5: 
        !             6: #include <limits.h>
        !             7: #include <string.h>
        !             8: 
        !             9: static inline __attribute__ (( always_inline )) int
        !            10: __constant_flsl ( unsigned long x ) {
        !            11:        int r = 0;
        !            12: 
        !            13: #if ULONG_MAX > 0xffffffff
        !            14:        if ( x & 0xffffffff00000000UL ) {
        !            15:                x >>= 32;
        !            16:                r += 32;
        !            17:        }
        !            18: #endif
        !            19:        if ( x & 0xffff0000UL ) {
        !            20:                x >>= 16;
        !            21:                r += 16;
        !            22:        }
        !            23:        if ( x & 0xff00 ) {
        !            24:                x >>= 8;
        !            25:                r += 8;
        !            26:        }
        !            27:        if ( x & 0xf0 ) {
        !            28:                x >>= 4;
        !            29:                r += 4;
        !            30:        }
        !            31:        if ( x & 0xc ) {
        !            32:                x >>= 2;
        !            33:                r += 2;
        !            34:        }
        !            35:        if ( x & 0x2 ) {
        !            36:                x >>= 1;
        !            37:                r += 1;
        !            38:        }
        !            39:        if ( x & 0x1 ) {
        !            40:                r += 1;
        !            41:        }
        !            42:        return r;
        !            43: }
        !            44: 
        !            45: /* We don't actually have these functions yet */
        !            46: extern int __flsl ( long x );
        !            47: 
        !            48: #define flsl( x ) \
        !            49:        ( __builtin_constant_p ( x ) ? __constant_flsl ( x ) : __flsl ( x ) )
        !            50: 
        !            51: #define fls( x ) flsl ( x )
        !            52: 
        !            53: extern int strcasecmp ( const char *s1, const char *s2 );
        !            54: 
        !            55: static inline __attribute__ (( always_inline )) void
        !            56: bcopy ( const void *src, void *dest, size_t n ) {
        !            57:        memmove ( dest, src, n );
        !            58: }
        !            59: 
        !            60: static inline __attribute__ (( always_inline )) void
        !            61: bzero ( void *s, size_t n ) {
        !            62:        memset ( s, 0, n );
        !            63: }
        !            64: 
        !            65: #endif /* _STRINGS_H */

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