/* Check if negative offsets are handled correctly by mmap. */
static int
do_test (void)
{
const int prot = PROT_READ | PROT_WRITE;
const int flags = MAP_SHARED;
const unsigned long length = 0x10000;
const unsigned long offset = 0xace00000;
const unsigned long size = offset + length;
void *addr;
int fd;
char fname[] = "tst-mmap-offset-XXXXXX";
fd = mkstemp64 (fname);
if (fd < 0)
return printmsg (1, "mkstemp");
if (unlink (fname))
return printmsg (1, "unlink");
if (ftruncate64 (fd, size))
return printmsg (0, "ftruncate64");
addr = mmap (NULL, length, prot, flags, fd, offset);
if (MAP_FAILED == addr)
return printmsg (1, "mmap");
/* This memcpy is likely to SIGBUS if mmap has messed up with offset. */
memcpy (addr, fname, sizeof (fname));
return 0;
}
int
lfs_mkstemp(char *templ) {
#ifdef __linux__
return mkstemp64(templ);
#else
return mkstemp(templ);
#endif
}
int file_cache_begin(struct file_cache *f, const char *path, char *txn)
{
int result;
txn_name(f, path, txn);
result = mkstemp64(txn);
if(result >= 0) {
debug(D_CACHE, "begin %s %s", path, txn);
fchmod(result, 0700);
}
return result;
}
void
do_prepare (int argc, char *argv[])
{
size_t name_len;
struct rlimit64 rlim;
name_len = strlen (test_dir);
name = malloc (name_len + sizeof ("/lfsXXXXXX"));
mempcpy (mempcpy (name, test_dir, name_len),
"/lfsXXXXXX", sizeof ("/lfsXXXXXX"));
add_temp_file (name);
/* Open our test file. */
fd = mkstemp64 (name);
if (fd == -1)
{
if (errno == ENOSYS)
{
/* Fail silently. */
error (0, 0, "open64 is not supported");
exit (EXIT_SUCCESS);
}
else
error (EXIT_FAILURE, errno, "cannot create temporary file");
}
if (getrlimit64 (RLIMIT_FSIZE, &rlim) != 0)
{
error (0, errno, "cannot get resource limit");
exit (0);
}
if (rlim.rlim_cur < TWO_GB + 200)
{
rlim.rlim_cur = TWO_GB + 200;
if (setrlimit64 (RLIMIT_FSIZE, &rlim) != 0)
{
error (0, errno, "cannot reset file size limits");
exit (0);
}
}
}
/*ARGSUSED*/
static FILE *
_common(boolean_t large_file)
{
char tfname[L_tmpnam];
FILE *p;
char *q;
int mkret;
mode_t current_umask;
(void) strcpy(tfname, P_tmpdir);
lmutex_lock(&seed_lk);
(void) strcat(tfname, seed);
(void) strcat(tfname, XS);
q = seed;
while (*q == 'z')
*q++ = 'a';
if (*q != '\0')
++*q;
lmutex_unlock(&seed_lk);
#if !defined(_LP64)
if (large_file == B_TRUE) {
if ((mkret = mkstemp64(tfname)) == -1)
return (NULL);
} else
#endif
if ((mkret = mkstemp(tfname)) == -1)
return (NULL);
(void) unlink(tfname);
current_umask = umask(0777);
(void) umask(current_umask);
(void) fchmod(mkret, 0666 & ~current_umask);
if ((p = fdopen(mkret, "w+")) == NULL) {
(void) close(mkret);
return (NULL);
}
return (p);
}
HB_FHANDLE hb_fsCreateTempEx( char * pszName, const char * pszDir, const char * pszPrefix, const char * pszExt, HB_FATTR ulAttr )
{
/* less attemps */
int iAttemptLeft = 99, iLen;
HB_FHANDLE fd;
do
{
pszName[ 0 ] = '\0';
if( pszDir && pszDir[ 0 ] != '\0' )
{
hb_strncpy( pszName, pszDir, HB_PATH_MAX - 1 );
iLen = ( int ) strlen( pszName );
if( pszName[ iLen - 1 ] != HB_OS_PATH_DELIM_CHR &&
iLen < HB_PATH_MAX - 1 )
{
pszName[ iLen ] = HB_OS_PATH_DELIM_CHR;
pszName[ iLen + 1 ] = '\0';
}
}
else
hb_fsTempDir( pszName );
if( pszPrefix )
hb_strncat( pszName, pszPrefix, HB_PATH_MAX - 1 );
iLen = ( int ) strlen( pszName );
if( iLen > ( HB_PATH_MAX - 1 ) - 6 -
( pszExt ? ( int ) strlen( pszExt ) : 0 ) )
{
fd = FS_ERROR;
break;
}
#if defined( HB_HAS_MKSTEMP )
if( hb_setGetFileCase() != HB_SET_CASE_LOWER &&
hb_setGetFileCase() != HB_SET_CASE_UPPER &&
hb_setGetDirCase() != HB_SET_CASE_LOWER &&
hb_setGetDirCase() != HB_SET_CASE_UPPER
#if ! defined( HB_HAS_MKSTEMPS )
&& ( pszExt == NULL || *pszExt == 0 )
#endif
)
{
hb_vmUnlock();
hb_strncat( pszName, "XXXXXX", HB_PATH_MAX - 1 );
#if defined( HB_HAS_MKSTEMPS )
if( pszExt && *pszExt )
{
hb_strncat( pszName, pszExt, HB_PATH_MAX - 1 );
#if defined( HB_USE_LARGEFILE64 )
fd = ( HB_FHANDLE ) mkstemps64( pszName, ( int ) strlen( pszExt ) );
#else
fd = ( HB_FHANDLE ) mkstemps( pszName, ( int ) strlen( pszExt ) );
#endif
}
else
#endif
#if defined( HB_USE_LARGEFILE64 )
fd = ( HB_FHANDLE ) mkstemp64( pszName );
#else
fd = ( HB_FHANDLE ) mkstemp( pszName );
#endif
hb_fsSetIOError( fd != ( HB_FHANDLE ) -1, 0 );
hb_vmLock();
}
else
#endif /* HB_HAS_MKSTEMP */
{
int i, n;
double d = hb_random_num(), x;
for( i = 0; i < 6; i++ )
{
d = d * 36;
n = ( int ) d;
d = modf( d, &x );
pszName[ iLen++ ] = ( char ) ( n + ( n > 9 ? 'a' - 10 : '0' ) );
}
pszName[ iLen ] = '\0';
if( pszExt )
hb_strncat( pszName, pszExt, HB_PATH_MAX - 1 );
fd = hb_fsCreateEx( pszName, ulAttr, FO_EXCLUSIVE | FO_EXCL );
}
if( fd != ( HB_FHANDLE ) FS_ERROR )
break;
}
while( --iAttemptLeft );
return fd;
}
/* Write the actual file name at fname. */
static FILE *
gp_open_scratch_file_generic(const gs_memory_t *mem,
const char *prefix,
char fname[gp_file_name_sizeof],
const char *mode,
bool b64)
{ /* The -8 is for XXXXXX plus a possible final / and -. */
int prefix_length = strlen(prefix);
int len = gp_file_name_sizeof - prefix_length - 8;
FILE *fp;
if (gp_file_name_is_absolute(prefix, prefix_length))
*fname = 0;
else if (gp_gettmpdir(fname, &len) != 0)
strcpy(fname, "/tmp/");
else {
if (strlen(fname) != 0 && fname[strlen(fname) - 1] != '/')
strcat(fname, "/");
}
if (strlen(fname) + prefix_length + 8 >= gp_file_name_sizeof)
return 0; /* file name too long */
strcat(fname, prefix);
/* Prevent trailing X's in path from being converted by mktemp. */
if (*fname != 0 && fname[strlen(fname) - 1] == 'X')
strcat(fname, "-");
strcat(fname, "XXXXXX");
#ifdef HAVE_MKSTEMP
{
int file;
char ofname[gp_file_name_sizeof];
/* save the old filename template in case mkstemp fails */
memcpy(ofname, fname, gp_file_name_sizeof);
#ifdef HAVE_MKSTEMP64
if (b64)
file = mkstemp64(fname);
else
file = mkstemp(fname);
#else
file = mkstemp(fname);
#endif
if (file < -1) {
emprintf1(mem, "**** Could not open temporary file %s\n", ofname);
return NULL;
}
#if defined(O_LARGEFILE) && defined(__hpux)
if (b64)
fcntl(file, F_SETFD, fcntl(file, F_GETFD) | O_LARGEFILE);
#else
/* Fixme : what to do with b64 and 32-bit mkstemp? Unimplemented. */
#endif
fp = fdopen(file, mode);
if (fp == NULL)
close(file);
}
#else
mktemp(fname);
fp = (b64 ? gp_fopentemp : gp_fopentemp_64)(fname, mode);
#endif
if (fp == NULL)
emprintf1(mem, "**** Could not open temporary file %s\n", fname);
return fp;
}