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Update zlib to 1.2.12

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This commit is contained in:
Miku AuahDark
2022-08-25 19:13:08 +08:00
parent 2f06b85a2c
commit 7fcddc790b
74 changed files with 12237 additions and 1733 deletions
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libs/zlib-1.2.12/contrib/minizip/crypt.h
+10 -9
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@@ -38,6 +38,7 @@ static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab)
* unpredictable manner on 16-bit systems; not a problem
* with any known compiler so far, though */
(void)pcrc_32_tab;
temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2;
return (int)(((temp * (temp ^ 1)) >> 8) & 0xff);
}
@@ -77,24 +78,24 @@ static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcr
(update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
#define zencode(pkeys,pcrc_32_tab,c,t) \
(t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c))
(t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), (Byte)t^(c))
#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED
#define RAND_HEAD_LEN 12
/* "last resort" source for second part of crypt seed pattern */
# ifndef ZCR_SEED2
# define ZCR_SEED2 3141592654UL /* use PI as default pattern */
# define ZCR_SEED2 3141592654L /* use PI as default pattern */
# endif
static int crypthead(const char* passwd, /* password string */
unsigned char* buf, /* where to write header */
int bufSize,
unsigned long* pkeys,
const z_crc_t* pcrc_32_tab,
unsigned long crcForCrypting)
static unsigned crypthead(const char* passwd, /* password string */
unsigned char* buf, /* where to write header */
int bufSize,
unsigned long* pkeys,
const z_crc_t* pcrc_32_tab,
unsigned long crcForCrypting)
{
int n; /* index in random header */
unsigned n; /* index in random header */
int t; /* temporary */
int c; /* random byte */
unsigned char header[RAND_HEAD_LEN-2]; /* random header */