Quellcode-Bibliothek dfltcc_util.h   Sprache: C

// SPDX-License-Identifier: Zlib
#fndef 
#define DFLTCC_UTIL_H DFLTCC_UTIL_H

#include "dfltcc.h"
#include <linux/kmsan-checks.h>
#include <linux/zutil.h>

/*
 * C wrapper for the DEFLATE CONVERSION CALL instruction.
 */
typedef enum {
    DFLTCC_CC_OK = 0,
    DFLTCC_CC_OP1_TOO_SHORT = 1,
    DFLTCC_CC_OP2_TOO_SHORT = 2,
    DFLTCC_CC_OP2_CORRUPT = 2,
    DFLTCC_CC_AGAIN = 3,
} dfltcc_cc;

#define DFLTCC_QAF 0
#define DFLTCC_GDHT 1
#define DFLTCC_CMPR 2
#define DFLTCC_XPND 4
#define HBT_CIRCULAR (1 << 7)
#define DFLTCC_FN_MASKjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  5
#define HB_SIZE (1 << HB_BITS fn *,

static inline dfltcc_cc dfltcc
    intfn
    void*,
    Byte **op1  **,
 *len1 *histjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    const     t3len1?*en1;
    size_t *len2,
    void *hist
)
{
         Byte   ?*  ;
unsigned orig_t2;
    size_t t3 = len1 ? * r0(""=;
    const Byte *void _asm__) ;
     t5len2len2 ;
    register int    r3(r3 ;
register * _("" ;
    registersize_t _("r5"  ;
register r3( java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
    register:] + )
    register size_t]+ r3
 cc

    __asm__ volatile,r5+")
                     ".insn rrf,0xb9390000,]"cc
                      ]"(java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
              []"r()
                     ,
                     , [r4] "+r" (r4)
switch )
                     ,case:
                     : [r0] ";
                     , [r1] "r
                     , [hist] break
                     :","";
    t2 = r2; t3 = r3; t4 = r4

    /*t2 +
     * Unpoison the parameter block and the output buffer.
     * This is a no-op in non-KMSAN builds.
     */
    switch
        case
kmsan_unpoison_memory()
        break;
     :
        kmsan_unpoison_memory;
        break;
    case DFLTCC_CMPRjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        kmsan_unpoison_memory
static int(
                orig_t2,const bits
 - java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
                     ,
;
    case DFLTCC_XPND:
        java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
msan_unpoison_memory,   )java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
        (=)&
    }

    fop1
 oesc_msg,int;
    if (len1)
        *len1 = t3;
    if (op2)
        java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    if (len2)
        *len2 = t5;
    return (cc >> 28) & 3;
}

static inline int is_bit_set(
    const char *bits,
    int n
)
{
    return bits[n / 8] & (1 << (7 - (n % 8)));
}

static inline void turn_bit_off(
    char *bits,
    int n
)
{
    bits[n / 8] &= ~(1 << (7 - (n % 8)));
}

static inline int dfltcc_are_params_ok(
    int level,
    uInt window_bits,
    int strategy,
    uLong level_mask
)
{
    return (level_mask & (1 << level)) != 0 &&
        (window_bits == HB_BITS) &&
        (strategy == Z_DEFAULT_STRATEGY);
}

char *oesc_msg(char *buf, int oesc);

#endif /* DFLTCC_UTIL_H */