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COMP: Fix support for gzip on non-32 bit platforms

This commit is contained in:
Andy Cedilnik 2005-12-30 14:22:46 -05:00
parent 01ac4158ed
commit 6d0f0e0acb
4 changed files with 135 additions and 42 deletions
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68
Source/cmSystemTools.cxx
View File

@ -1365,12 +1365,22 @@ bool cmSystemTools::IsPathToFramework(const char* path)
# include <fcntl.h>
# include <cmzlib/zlib.h>
static int gzopen_frontend(char *pathname, int oflags, int mode)
struct cmSystemToolsGZStruct
{
gzFile GZFile;
static int Open(void* call_data, const char *pathname, int oflags, mode_t mode);
static int Close(void* call_data, int fd);
static ssize_t Read(void* call_data, int fd, void* buf, size_t count);
static ssize_t Write(void* call_data, int fd, const void* buf, size_t count);
};
int cmSystemToolsGZStruct::Open(void* call_data, const char *pathname, int oflags, mode_t mode)
{
char *gzoflags;
gzFile gzf;
int fd;
cmSystemToolsGZStruct* gzf = static_cast<cmSystemToolsGZStruct*>(call_data);
switch (oflags & O_ACCMODE)
{
case O_WRONLY:
@ -1398,14 +1408,35 @@ static int gzopen_frontend(char *pathname, int oflags, int mode)
}
#endif
gzf = cm_zlib_gzdopen(fd, gzoflags);
if (!gzf)
gzf->GZFile = cm_zlib_gzdopen(fd, gzoflags);
if (!gzf->GZFile)
{
errno = ENOMEM;
return -1;
}
return (int)gzf;
return fd;
}
int cmSystemToolsGZStruct::Close(void* call_data, int fd)
{
(void)fd;
cmSystemToolsGZStruct* gzf = static_cast<cmSystemToolsGZStruct*>(call_data);
return cm_zlib_gzclose(gzf->GZFile);
}
ssize_t cmSystemToolsGZStruct::Read(void* call_data, int fd, void* buf, size_t count)
{
(void)fd;
cmSystemToolsGZStruct* gzf = static_cast<cmSystemToolsGZStruct*>(call_data);
return cm_zlib_gzread(gzf->GZFile, buf, count);
}
ssize_t cmSystemToolsGZStruct::Write(void* call_data, int fd, const void* buf, size_t count)
{
(void)fd;
cmSystemToolsGZStruct* gzf = static_cast<cmSystemToolsGZStruct*>(call_data);
return cm_zlib_gzwrite(gzf->GZFile, (void*)buf, count);
}
#endif
@ -1416,9 +1447,14 @@ bool cmSystemTools::CreateTar(const char* outFileName, const std::vector<cmStdSt
TAR *t;
char buf[TAR_MAXPATHLEN];
char pathname[TAR_MAXPATHLEN];
cmSystemToolsGZStruct gzs;
tartype_t gztype = { (openfunc_t) gzopen_frontend, (closefunc_t) cm_zlib_gzclose,
(readfunc_t) cm_zlib_gzread, (writefunc_t) cm_zlib_gzwrite
tartype_t gztype = {
cmSystemToolsGZStruct::Open,
cmSystemToolsGZStruct::Close,
cmSystemToolsGZStruct::Read,
cmSystemToolsGZStruct::Write,
&gzs
};
// Ok, this libtar is not const safe. for now use auto_ptr hack
@ -1476,9 +1512,14 @@ bool cmSystemTools::ExtractTar(const char* outFileName, const std::vector<cmStdS
(void)files;
#if defined(CMAKE_BUILD_WITH_CMAKE)
TAR *t;
cmSystemToolsGZStruct gzs;
tartype_t gztype = { (openfunc_t) gzopen_frontend, (closefunc_t) cm_zlib_gzclose,
(readfunc_t) cm_zlib_gzread, (writefunc_t) cm_zlib_gzwrite
tartype_t gztype = {
cmSystemToolsGZStruct::Open,
cmSystemToolsGZStruct::Close,
cmSystemToolsGZStruct::Read,
cmSystemToolsGZStruct::Write,
&gzs
};
// Ok, this libtar is not const safe. for now use auto_ptr hack
@ -1520,9 +1561,14 @@ bool cmSystemTools::ListTar(const char* outFileName, std::vector<cmStdString>& f
{
#if defined(CMAKE_BUILD_WITH_CMAKE)
TAR *t;
cmSystemToolsGZStruct gzs;
tartype_t gztype = { (openfunc_t) gzopen_frontend, (closefunc_t) cm_zlib_gzclose,
(readfunc_t) cm_zlib_gzread, (writefunc_t) cm_zlib_gzwrite
tartype_t gztype = {
cmSystemToolsGZStruct::Open,
cmSystemToolsGZStruct::Close,
cmSystemToolsGZStruct::Read,
cmSystemToolsGZStruct::Write,
&gzs
};
// Ok, this libtar is not const safe. for now use auto_ptr hack

40
Utilities/cmtar/handle.c
View File

@ -34,23 +34,29 @@
const char libtar_version[] = PACKAGE_VERSION;
#define libtar_symbol(name, ret, args, callargs) \
static ret libtar_##name args \
{ \
return name callargs; \
}
static int libtar_open(void* call_data, const char* pathname, int flags, mode_t mode)
{
(void)call_data;
return open(pathname, flags, mode);
}
#if defined(__BORLANDC__)
libtar_symbol(open, int, (const char* pathname, int flags, mode_t mode), (pathname, flags, mode));
libtar_symbol(close, int, (int fd), (fd));
libtar_symbol(read, ssize_t, (int fd, void* buf, size_t count), (fd, buf, count));
libtar_symbol(write, ssize_t, (int fd, void* buf, size_t count), (fd, buf, count));
static tartype_t default_type = { libtar_open, libtar_close, libtar_read, libtar_write };
#else
static tartype_t default_type = { open, close, read, write };
#endif
static int libtar_close(void* call_data, int fd)
{
(void)call_data;
return close(fd);
}
static ssize_t libtar_read(void* call_data, int fd, void* buf, size_t count)
{
(void)call_data;
return read(fd, buf, count);
}
static ssize_t libtar_write(void* call_data, int fd, const void* buf, size_t count)
{
(void)call_data;
return write(fd, buf, count);
}
static tartype_t default_type = { libtar_open, libtar_close, libtar_read, libtar_write, 0 };
static int
tar_init(TAR **t, char *pathname, tartype_t *type,
@ -102,7 +108,7 @@ tar_open(TAR **t, char *pathname, tartype_t *type,
oflags |= O_BINARY;
#endif
(*t)->fd = (*((*t)->type->openfunc))(pathname, oflags, mode);
(*t)->fd = (*((*t)->type->openfunc))((*t)->type->call_data, pathname, oflags, mode);
if ((*t)->fd == -1)
{
free(*t);
@ -138,7 +144,7 @@ tar_close(TAR *t)
{
int i;
i = (*(t->type->closefunc))(t->fd);
i = (*(t->type->closefunc))(t->type->call_data, t->fd);
if (t->h != NULL)
libtar_hash_free(t->h, ((t->oflags & O_ACCMODE) == O_RDONLY

50
Utilities/cmtar/libtar.c
View File

@ -61,12 +61,17 @@ segv_handler(int sig)
int use_zlib = 0;
int
gzopen_frontend(char *pathname, int oflags, int mode)
struct gzStruct
{
gzFile* GZFile;
};
struct gzStruct GZStruct;
int libtar_gzopen(void* call_data, const char *pathname, int oflags, mode_t mode)
{
char *gzoflags;
gzFile gzf;
int fd;
struct gzStruct* gzf = (struct gzStruct*)call_data;
switch (oflags & O_ACCMODE)
{
@ -84,25 +89,54 @@ gzopen_frontend(char *pathname, int oflags, int mode)
fd = open(pathname, oflags, mode);
if (fd == -1)
{
return -1;
}
#if !defined(_WIN32) || defined(__CYGWIN__)
if ((oflags & O_CREAT) && fchmod(fd, mode))
{
return -1;
}
#endif
gzf = gzdopen(fd, gzoflags);
if (!gzf)
gzf->GZFile = cm_zlib_gzdopen(fd, gzoflags);
if (!gzf->GZFile)
{
errno = ENOMEM;
return -1;
}
return (int)gzf;
return fd;
}
tartype_t gztype = { (openfunc_t) gzopen_frontend, (closefunc_t) gzclose,
(readfunc_t) gzread, (writefunc_t) gzwrite
int libtar_gzclose(void* call_data, int fd)
{
struct gzStruct* gzf = (struct gzStruct*)call_data;
(void)fd;
return cm_zlib_gzclose(gzf->GZFile);
}
ssize_t libtar_gzread(void* call_data, int fd, void* buf, size_t count)
{
struct gzStruct* gzf = (struct gzStruct*)call_data;
(void)fd;
return cm_zlib_gzread(gzf->GZFile, buf, count);
}
ssize_t libtar_gzwrite(void* call_data, int fd, const void* buf, size_t count)
{
struct gzStruct* gzf = (struct gzStruct*)call_data;
(void)fd;
return cm_zlib_gzwrite(gzf->GZFile, (void*)buf, count);
}
tartype_t gztype = {
libtar_gzopen,
libtar_gzclose,
libtar_gzread,
libtar_gzwrite,
&GZStruct
};
#endif /* HAVE_LIBZ */

19
Utilities/cmtar/libtar.h
View File

@ -62,10 +62,10 @@ struct tar_header
/***** handle.c ************************************************************/
typedef int (*openfunc_t)(const char *, int, ...);
typedef int (*closefunc_t)(int);
typedef ssize_t (*readfunc_t)(int, void *, size_t);
typedef ssize_t (*writefunc_t)(int, const void *, size_t);
typedef int (*openfunc_t)(void* call_data, const char *, int, mode_t);
typedef int (*closefunc_t)(void* call_data, int);
typedef ssize_t (*readfunc_t)(void* call_data, int, void *, size_t);
typedef ssize_t (*writefunc_t)(void* call_data, int, const void *, size_t);
typedef struct
{
@ -73,6 +73,7 @@ typedef struct
closefunc_t closefunc;
readfunc_t readfunc;
writefunc_t writefunc;
void* call_data;
}
tartype_t;
@ -114,6 +115,12 @@ int tar_fdopen(TAR **t, int fd, char *pathname, tartype_t *type,
/* returns the descriptor associated with t */
int tar_fd(TAR *t);
/* returns the descriptor associated with t */
void* tar_call_data(TAR *t);
/* returns the descriptor associated with t */
void tar_set_call_data(TAR *t, void* cd);
/* close tarfile handle */
int tar_close(TAR *t);
@ -145,9 +152,9 @@ int tar_append_regfile(TAR *t, char *realname);
/* macros for reading/writing tarchive blocks */
#define tar_block_read(t, buf) \
(*((t)->type->readfunc))((t)->fd, (char *)(buf), T_BLOCKSIZE)
(*((t)->type->readfunc))((t)->type->call_data, (t)->fd, (char *)(buf), T_BLOCKSIZE)
#define tar_block_write(t, buf) \
(*((t)->type->writefunc))((t)->fd, (char *)(buf), T_BLOCKSIZE)
(*((t)->type->writefunc))((t)->type->call_data, (t)->fd, (char *)(buf), T_BLOCKSIZE)
/* read/write a header block */
int th_read(TAR *t);