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Import from zlib-1.2.5

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This commit is contained in:
Ralf Corsepius
2011-03-18 10:11:44 +00:00
parent 47a619ae94
commit 6557362411
4 changed files with 74 additions and 36 deletions
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20
cpukit/zlib/gzlib.c
View File

@@ -5,7 +5,7 @@
#include "gzguts.h"
#ifdef _LARGEFILE64_SOURCE
#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
# define LSEEK lseek64
#else
# define LSEEK lseek
@@ -15,7 +15,7 @@
local void gz_reset OF((gz_statep));
local gzFile gz_open OF((const char *, int, const char *));
#if defined UNDER_CE && defined NO_ERRNO_H
#if defined UNDER_CE
/* Map the Windows error number in ERROR to a locale-dependent error message
string and return a pointer to it. Typically, the values for ERROR come
@@ -26,7 +26,7 @@ local gzFile gz_open OF((const char *, int, const char *));
The gz_strwinerror function does not change the current setting of
GetLastError. */
char ZEXPORT *gz_strwinerror (error)
char ZLIB_INTERNAL *gz_strwinerror (error)
DWORD error;
{
static char buf[1024];
@@ -65,7 +65,7 @@ char ZEXPORT *gz_strwinerror (error)
return buf;
}
#endif /* UNDER_CE && NO_ERRNO_H */
#endif /* UNDER_CE */
/* Reset gzip file state */
local void gz_reset(state)
@@ -172,6 +172,7 @@ local gzFile gz_open(path, fd, mode)
O_APPEND))),
0666);
if (state->fd == -1) {
free(state->path);
free(state);
return NULL;
}
@@ -217,7 +218,7 @@ gzFile ZEXPORT gzdopen(fd, mode)
if (fd == -1 || (path = malloc(7 + 3 * sizeof(int))) == NULL)
return NULL;
sprintf(path, "<fd:%d>", fd);
sprintf(path, "<fd:%d>", fd); /* for debugging */
gz = gz_open(path, fd, mode);
free(path);
return gz;
@@ -305,7 +306,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
/* if within raw area while reading, just go there */
if (state->mode == GZ_READ && state->how == COPY &&
state->pos + offset >= state->raw) {
ret = LSEEK(state->fd, offset, SEEK_CUR);
ret = LSEEK(state->fd, offset - state->have, SEEK_CUR);
if (ret == -1)
return -1;
state->have = 0;
@@ -432,7 +433,8 @@ int ZEXPORT gzeof(file)
return 0;
/* return end-of-file state */
return state->mode == GZ_READ ? (state->eof && state->have == 0) : 0;
return state->mode == GZ_READ ?
(state->eof && state->strm.avail_in == 0 && state->have == 0) : 0;
}
/* -- see zlib.h -- */
@@ -480,7 +482,7 @@ void ZEXPORT gzclearerr(file)
memory). Simply save the error message as a static string. If there is an
allocation failure constructing the error message, then convert the error to
out of memory. */
void ZEXPORT gz_error(state, err, msg)
void ZLIB_INTERNAL gz_error(state, err, msg)
gz_statep state;
int err;
const char *msg;
@@ -520,7 +522,7 @@ void ZEXPORT gz_error(state, err, msg)
available) -- we need to do this to cover cases where 2's complement not
used, since C standard permits 1's complement and sign-bit representations,
otherwise we could just use ((unsigned)-1) >> 1 */
unsigned ZEXPORT gz_intmax()
unsigned ZLIB_INTERNAL gz_intmax()
{
unsigned p, q;

30
cpukit/zlib/zconf.h
View File

@@ -315,10 +315,6 @@
# endif
#endif
#ifdef HAVE_VISIBILITY_PRAGMA
# define ZEXTERN __attribute__((visibility ("default"))) extern
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
@@ -364,8 +360,21 @@ typedef uLong FAR uLongf;
# define Z_HAVE_UNISTD_H
#endif
#ifdef Z_HAVE_UNISTD_H
#ifdef STDC
# include <sys/types.h> /* for off_t */
#endif
/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
* "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
* though the former does not conform to the LFS document), but considering
* both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
* equivalently requesting no 64-bit operations
*/
#if -_LARGEFILE64_SOURCE - -1 == 1
# undef _LARGEFILE64_SOURCE
#endif
#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
# include <unistd.h> /* for SEEK_* and off_t */
# ifdef VMS
# include <unixio.h> /* for off_t */
@@ -375,19 +384,22 @@ typedef uLong FAR uLongf;
# endif
#endif
#ifdef _LARGEFILE64_SOURCE
# include <sys/types.h>
#endif
#ifndef SEEK_SET
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#ifndef z_off_t
# define z_off_t long
#endif
#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
# define z_off64_t off64_t
#else
# define z_off64_t z_off_t
#endif
#if defined(__OS400__)
# define NO_vsnprintf
#endif

30
cpukit/zlib/zconf.h.cmakein
View File

@@ -317,10 +317,6 @@
# endif
#endif
#ifdef HAVE_VISIBILITY_PRAGMA
# define ZEXTERN __attribute__((visibility ("default"))) extern
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
@@ -366,8 +362,21 @@ typedef uLong FAR uLongf;
# define Z_HAVE_UNISTD_H
#endif
#ifdef Z_HAVE_UNISTD_H
#ifdef STDC
# include <sys/types.h> /* for off_t */
#endif
/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
* "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
* though the former does not conform to the LFS document), but considering
* both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
* equivalently requesting no 64-bit operations
*/
#if -_LARGEFILE64_SOURCE - -1 == 1
# undef _LARGEFILE64_SOURCE
#endif
#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
# include <unistd.h> /* for SEEK_* and off_t */
# ifdef VMS
# include <unixio.h> /* for off_t */
@@ -377,19 +386,22 @@ typedef uLong FAR uLongf;
# endif
#endif
#ifdef _LARGEFILE64_SOURCE
# include <sys/types.h>
#endif
#ifndef SEEK_SET
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#ifndef z_off_t
# define z_off_t long
#endif
#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
# define z_off64_t off64_t
#else
# define z_off64_t z_off_t
#endif
#if defined(__OS400__)
# define NO_vsnprintf
#endif

30
cpukit/zlib/zconf.h.in
View File

@@ -315,10 +315,6 @@
# endif
#endif
#ifdef HAVE_VISIBILITY_PRAGMA
# define ZEXTERN __attribute__((visibility ("default"))) extern
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
@@ -364,8 +360,21 @@ typedef uLong FAR uLongf;
# define Z_HAVE_UNISTD_H
#endif
#ifdef Z_HAVE_UNISTD_H
#ifdef STDC
# include <sys/types.h> /* for off_t */
#endif
/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
* "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
* though the former does not conform to the LFS document), but considering
* both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
* equivalently requesting no 64-bit operations
*/
#if -_LARGEFILE64_SOURCE - -1 == 1
# undef _LARGEFILE64_SOURCE
#endif
#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
# include <unistd.h> /* for SEEK_* and off_t */
# ifdef VMS
# include <unixio.h> /* for off_t */
@@ -375,19 +384,22 @@ typedef uLong FAR uLongf;
# endif
#endif
#ifdef _LARGEFILE64_SOURCE
# include <sys/types.h>
#endif
#ifndef SEEK_SET
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#ifndef z_off_t
# define z_off_t long
#endif
#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
# define z_off64_t off64_t
#else
# define z_off64_t z_off_t
#endif
#if defined(__OS400__)
# define NO_vsnprintf
#endif