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Add crc32_z() and adler32_z() functions with size_t lengths.

This commit is contained in:
Mark Adler 2016-12-31 16:57:26 -08:00
parent 61b91f27f8
commit b9ae6f0079
3 changed files with 38 additions and 8 deletions
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13
adler32.c
View File

@ -60,10 +60,10 @@ local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
#endif #endif
/* ========================================================================= */ /* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len) uLong ZEXPORT adler32_z(adler, buf, len)
uLong adler; uLong adler;
const Bytef *buf; const Bytef *buf;
uInt len; z_size_t len;
{ {
unsigned long sum2; unsigned long sum2;
unsigned n; unsigned n;
@ -130,6 +130,15 @@ uLong ZEXPORT adler32(adler, buf, len)
return adler | (sum2 << 16); return adler | (sum2 << 16);
} }
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
{
return adler32_z(adler, buf, len);
}
/* ========================================================================= */ /* ========================================================================= */
local uLong adler32_combine_(adler1, adler2, len2) local uLong adler32_combine_(adler1, adler2, len2)
uLong adler1; uLong adler1;

21
crc32.c
View File

@ -36,9 +36,9 @@
#endif #endif
#ifdef BYFOUR #ifdef BYFOUR
local unsigned long crc32_little OF((unsigned long, local unsigned long crc32_little OF((unsigned long,
const unsigned char FAR *, unsigned)); const unsigned char FAR *, z_size_t));
local unsigned long crc32_big OF((unsigned long, local unsigned long crc32_big OF((unsigned long,
const unsigned char FAR *, unsigned)); const unsigned char FAR *, z_size_t));
# define TBLS 8 # define TBLS 8
#else #else
# define TBLS 1 # define TBLS 1
@ -199,10 +199,10 @@ const z_crc_t FAR * ZEXPORT get_crc_table()
#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1 #define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
/* ========================================================================= */ /* ========================================================================= */
unsigned long ZEXPORT crc32(crc, buf, len) unsigned long ZEXPORT crc32_z(crc, buf, len)
unsigned long crc; unsigned long crc;
const unsigned char FAR *buf; const unsigned char FAR *buf;
uInt len; z_size_t len;
{ {
if (buf == Z_NULL) return 0UL; if (buf == Z_NULL) return 0UL;
@ -233,6 +233,15 @@ unsigned long ZEXPORT crc32(crc, buf, len)
return crc ^ 0xffffffffUL; return crc ^ 0xffffffffUL;
} }
/* ========================================================================= */
unsigned long ZEXPORT crc32(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
uInt len;
{
return crc32_z(crc, buf, len);
}
#ifdef BYFOUR #ifdef BYFOUR
/* /*
@ -257,7 +266,7 @@ unsigned long ZEXPORT crc32(crc, buf, len)
local unsigned long crc32_little(crc, buf, len) local unsigned long crc32_little(crc, buf, len)
unsigned long crc; unsigned long crc;
const unsigned char FAR *buf; const unsigned char FAR *buf;
unsigned len; z_size_t len;
{ {
register z_crc_t c; register z_crc_t c;
register const z_crc_t FAR *buf4; register const z_crc_t FAR *buf4;
@ -297,7 +306,7 @@ local unsigned long crc32_little(crc, buf, len)
local unsigned long crc32_big(crc, buf, len) local unsigned long crc32_big(crc, buf, len)
unsigned long crc; unsigned long crc;
const unsigned char FAR *buf; const unsigned char FAR *buf;
unsigned len; z_size_t len;
{ {
register z_crc_t c; register z_crc_t c;
register const z_crc_t FAR *buf4; register const z_crc_t FAR *buf4;

12
zlib.h
View File

@ -1702,6 +1702,12 @@ ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
if (adler != original_adler) error(); if (adler != original_adler) error();
*/ */
ZEXTERN uLong ZEXPORT adler32_z OF((uLong adler, const Bytef *buf,
z_size_t len));
/*
Same as adler32(), but with a size_t length.
*/
/* /*
ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2, ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2,
z_off_t len2)); z_off_t len2));
@ -1731,6 +1737,12 @@ ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
if (crc != original_crc) error(); if (crc != original_crc) error();
*/ */
ZEXTERN uLong ZEXPORT crc32_z OF((uLong adler, const Bytef *buf,
z_size_t len));
/*
Same as crc32(), but with a size_t length.
*/
/* /*
ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2)); ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2));