encint.h File Reference

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Functions
static int	chmc_encint_len (const UInt32 val)
static int	chmc_encint (const UInt32 val, UChar *out)
static int	chmc_decint (const UChar *in, UInt32 *value)

Function Documentation

chmc_decint()

static int chmc_decint ( const UChar *  in, UInt32 *  value  )

inlinestatic

Definition at line 78 of file encint.h.

                                                                 {
    int len;
 
    len = 0;
    *value = 0;
 
    while ( (in[len] & 0x80) && (len < 3) ) {
        *value <<= 7;
        *value |= in[len] & 0x7f;
        len++;
    }
    *value <<= 7;
    *value |= in[len] & 0x7f;
    len++;
 
    return len;
}

Referenced by chmc_pmgi_done().

chmc_encint()

static int chmc_encint ( const UInt32  val, UChar *  out  )

inlinestatic

Definition at line 46 of file encint.h.

                                                               {
    int len;
    UInt32 a;
    UChar *p, *l;
 
    // FIXME should support 64 bit?
    if ( ! out || val > 0xfffffffUL )
        return 0; // FIXME can't handle, overflow
 
    if ( val > 0x1fffffUL )
        len = 4;
    else if ( val > 0x3fffUL )
        len = 3;
    else if ( val > 0x7fUL )
        len = 2;
    else
        len = 1;
 
    a = val;
    l = p = out + (len - 1);
 
    while ( p >= out ) {
        *p = (a & 0x7fUL);
        if ( p < l )
            *p |= 0x80UL;
        p--;
        a >>= 7;
    }
 
    return len;
}

Referenced by chmc_pmgi_add_entry(), and chmc_pmgl_add_entry().

chmc_encint_len()

static int chmc_encint_len ( const UInt32  val )

inlinestatic

Definition at line 28 of file encint.h.

                                                       {
    int len;
 
    // FIXME should support 64 bit?
    if ( val > 0xfffffffUL )
        len = 0; // overflow
    else if ( val > 0x1fffffUL )
        len = 4;
    else if ( val > 0x3fffUL )
        len = 3;
    else if ( val > 0x7fUL )
        len = 2;
    else
        len = 1;
 
    return len;
}

Referenced by chmc_pmgi_add_entry(), and chmc_pmgl_add_entry().