static char * cnv_unicode	(	const unsigned char *	uni,
		int	maxlen,
		int	use_q
	)		`[static]`

Definition at line 70 of file lfn.c.

Referenced by CNV_THIS_PART(), and lfn_get().

{
    const unsigned char *up;
    unsigned char *out, *cp;
    int len, val;

    for( len = 0, up = uni; (up-uni)/2 < maxlen && (up[0] || up[1]); up += 2 ){
    if (UNICODE_CONVERTABLE(up[0],up[1]))
        ++len;
    else
        len += 4;
    }
    cp = out = use_q ? qalloc( &FsCheckMemQueue, len+1 ) : vfalloc( len+1 );

    for( up = uni; (up-uni)/2 < maxlen && (up[0] || up[1]); up += 2 ) {
    if (UNICODE_CONVERTABLE(up[0],up[1]))
        *cp++ = up[0];
    else {
        /* here the same escape notation is used as in the Linux kernel */
        *cp++ = ':';
        val = (up[1] << 8) + up[0];
        cp[2] = fat_uni2esc[val & 0x3f];
        val >>= 6;
        cp[1] = fat_uni2esc[val & 0x3f];
        val >>= 6;
        cp[0] = fat_uni2esc[val & 0x3f];
        cp += 3;
    }
    }
    *cp = 0;

    return (char *)out;
}

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