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This commit is contained in:
David Gwilliam
2026-02-13 14:42:07 -08:00
parent 6a485b6ad9
commit deb33eb352
670 changed files with 55968 additions and 51275 deletions
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45
libraries/PNGdec/src/crc32.c
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@@ -185,7 +185,7 @@ local void write_table(out, table)
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
const z_crc_t FAR * ZEXPORT get_crc_table(void)
const z_crc_t FAR * ZEXPORT get_crc_table()
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
@@ -199,7 +199,10 @@ const z_crc_t FAR * ZEXPORT get_crc_table(void)
#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
/* ========================================================================= */
unsigned long ZEXPORT crc32_z(unsigned long crc, const unsigned char FAR *buf, z_size_t len)
unsigned long ZEXPORT crc32_z(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
z_size_t len;
{
if (buf == Z_NULL) return 0UL;
@@ -231,7 +234,10 @@ unsigned long ZEXPORT crc32_z(unsigned long crc, const unsigned char FAR *buf, z
}
/* ========================================================================= */
unsigned long ZEXPORT crc32(unsigned long crc, const unsigned char FAR *buf, uInt len)
unsigned long ZEXPORT crc32(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
uInt len;
{
return crc32_z(crc, buf, len);
}
@@ -257,7 +263,10 @@ unsigned long ZEXPORT crc32(unsigned long crc, const unsigned char FAR *buf, uIn
#define DOLIT32 DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4
/* ========================================================================= */
local unsigned long crc32_little(unsigned long crc, const unsigned char FAR *buf, z_size_t len)
local unsigned long crc32_little(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
z_size_t len;
{
register z_crc_t c;
register const z_crc_t FAR *buf4;
@@ -294,7 +303,10 @@ local unsigned long crc32_little(unsigned long crc, const unsigned char FAR *buf
#define DOBIG32 DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4
/* ========================================================================= */
local unsigned long crc32_big(unsigned long crc, const unsigned char FAR *buf, z_size_t len)
local unsigned long crc32_big(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
z_size_t len;
{
register z_crc_t c;
register const z_crc_t FAR *buf4;
@@ -329,7 +341,9 @@ local unsigned long crc32_big(unsigned long crc, const unsigned char FAR *buf, z
#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */
/* ========================================================================= */
local unsigned long gf2_matrix_times(unsigned long *mat, unsigned long vec)
local unsigned long gf2_matrix_times(mat, vec)
unsigned long *mat;
unsigned long vec;
{
unsigned long sum;
@@ -344,7 +358,9 @@ local unsigned long gf2_matrix_times(unsigned long *mat, unsigned long vec)
}
/* ========================================================================= */
local void gf2_matrix_square(unsigned long *square, unsigned long *mat)
local void gf2_matrix_square(square, mat)
unsigned long *square;
unsigned long *mat;
{
int n;
@@ -353,7 +369,10 @@ local void gf2_matrix_square(unsigned long *square, unsigned long *mat)
}
/* ========================================================================= */
local uLong crc32_combine_(uLong crc1, uLong crc2, z_off64_t len2)
local uLong crc32_combine_(crc1, crc2, len2)
uLong crc1;
uLong crc2;
z_off64_t len2;
{
int n;
unsigned long row;
@@ -406,12 +425,18 @@ local uLong crc32_combine_(uLong crc1, uLong crc2, z_off64_t len2)
}
/* ========================================================================= */
uLong ZEXPORT crc32_combine(uLong crc1, uLong crc2, z_off_t len2)
uLong ZEXPORT crc32_combine(crc1, crc2, len2)
uLong crc1;
uLong crc2;
z_off_t len2;
{
return crc32_combine_(crc1, crc2, len2);
}
uLong ZEXPORT crc32_combine64(uLong crc1, uLong crc2, z_off64_t len2)
uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
uLong crc1;
uLong crc2;
z_off64_t len2;
{
return crc32_combine_(crc1, crc2, len2);
}