+++ /dev/null
-// natSystem.cc - Native code implementing System class.
-
-/* Copyright (C) 1998, 1999, 2000, 2001 , 2002 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#include "platform.h"
-
-#ifdef HAVE_PWD_H
-#include <pwd.h>
-#endif
-#include <errno.h>
-
-#ifdef HAVE_UNAME
-#include <sys/utsname.h>
-#endif
-
-#ifdef HAVE_LOCALE_H
-#include <locale.h>
-#endif
-
-#ifdef HAVE_LANGINFO_H
-#include <langinfo.h>
-#endif
-
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#include <gcj/cni.h>
-#include <jvm.h>
-#include <java-props.h>
-#include <java/lang/System.h>
-#include <java/lang/Class.h>
-#include <java/lang/ArrayStoreException.h>
-#include <java/lang/ArrayIndexOutOfBoundsException.h>
-#include <java/lang/NullPointerException.h>
-#include <java/lang/StringBuffer.h>
-#include <java/util/Properties.h>
-#include <java/util/TimeZone.h>
-#include <java/io/PrintStream.h>
-#include <java/io/InputStream.h>
-
-\f
-
-void
-java::lang::System::setErr (java::io::PrintStream *newErr)
-{
- checkSetIO ();
- // This violates `final' semantics. Oh well.
- err = newErr;
-}
-
-void
-java::lang::System::setIn (java::io::InputStream *newIn)
-{
- checkSetIO ();
- // This violates `final' semantics. Oh well.
- in = newIn;
-}
-
-void
-java::lang::System::setOut (java::io::PrintStream *newOut)
-{
- checkSetIO ();
- // This violates `final' semantics. Oh well.
- out = newOut;
-}
-
-void
-java::lang::System::arraycopy (jobject src, jint src_offset,
- jobject dst, jint dst_offset,
- jint count)
-{
- if (! src || ! dst)
- throw new NullPointerException;
-
- jclass src_c = src->getClass();
- jclass dst_c = dst->getClass();
- jclass src_comp = src_c->getComponentType();
- jclass dst_comp = dst_c->getComponentType();
-
- if (! src_c->isArray() || ! dst_c->isArray()
- || src_comp->isPrimitive() != dst_comp->isPrimitive()
- || (src_comp->isPrimitive() && src_comp != dst_comp))
- throw new ArrayStoreException;
-
- __JArray *src_a = (__JArray *) src;
- __JArray *dst_a = (__JArray *) dst;
- if (src_offset < 0 || dst_offset < 0 || count < 0
- || src_offset + count > src_a->length
- || dst_offset + count > dst_a->length)
- throw new ArrayIndexOutOfBoundsException;
-
- // Do-nothing cases.
- if ((src == dst && src_offset == dst_offset)
- || ! count)
- return;
-
- // If both are primitive, we can optimize trivially. If DST
- // components are always assignable from SRC components, then we
- // will never need to raise an error, and thus can do the
- // optimization. If source and destinations are the same, then we
- // know that the assignability premise always holds.
- const bool prim = src_comp->isPrimitive();
- if (prim || dst_comp->isAssignableFrom(src_comp) || src == dst)
- {
- const size_t size = (prim ? src_comp->size()
- : sizeof elements((jobjectArray)src)[0]);
-
- char *src_elts = _Jv_GetArrayElementFromElementType (src, src_comp);
- src_elts += size * src_offset;
-
- char *dst_elts = _Jv_GetArrayElementFromElementType (dst, dst_comp);
- dst_elts += size * dst_offset;
-
-#if HAVE_MEMMOVE
- // We don't bother trying memcpy. It can't be worth the cost of
- // the check.
- // Don't cast to (void*), as memmove may expect (char*)
- memmove (dst_elts, src_elts, count * size);
-#else
- bcopy (src_elts, dst_elts, count * size);
-#endif
- }
- else
- {
- jobject *src_elts = elements ((jobjectArray) src_a) + src_offset;
- jobject *dst_elts = elements ((jobjectArray) dst_a) + dst_offset;
-
- for (int i = 0; i < count; ++i)
- {
- if (*src_elts
- && ! dst_comp->isAssignableFrom((*src_elts)->getClass()))
- throw new ArrayStoreException;
- *dst_elts++ = *src_elts++;
- }
- }
-}
-
-jlong
-java::lang::System::currentTimeMillis (void)
-{
- return _Jv_platform_gettimeofday ();
-}
-
-jint
-java::lang::System::identityHashCode (jobject obj)
-{
- return _Jv_HashCode (obj);
-}
-
-#if ! defined (DEFAULT_FILE_ENCODING) && defined (HAVE_ICONV) \
- && defined (HAVE_NL_LANGINFO)
-
-static char *
-file_encoding ()
-{
- setlocale (LC_CTYPE, "");
- char *e = nl_langinfo (CODESET);
- if (e == NULL || *e == '\0')
- e = "8859_1";
- return e;
-}
-
-#define DEFAULT_FILE_ENCODING file_encoding ()
-
-#endif
-
-#ifndef DEFAULT_FILE_ENCODING
-#define DEFAULT_FILE_ENCODING "8859_1"
-#endif
-
-static char *default_file_encoding = DEFAULT_FILE_ENCODING;
-
-#if HAVE_GETPWUID_R
-/* Use overload resolution to find out the signature of getpwuid_r. */
-
- /* This is Posix getpwuid_r. */
-template <typename T_uid, typename T_passwd, typename T_buf, typename T_len>
-static inline int
-getpwuid_adaptor(int (*getpwuid_r)(T_uid user_id, T_passwd *pwd_r,
- T_buf *buf_r, T_len len_r,
- T_passwd **pwd_entry_ptr),
- uid_t user_id, struct passwd *pwd_r,
- char *buf_r, size_t len_r, struct passwd **pwd_entry)
-{
- return getpwuid_r (user_id, pwd_r, buf_r, len_r, pwd_entry);
-}
-
-/* This is used on HPUX 10.20 */
-template <typename T_uid, typename T_passwd, typename T_buf, typename T_len>
-static inline int
-getpwuid_adaptor(int (*getpwuid_r)(T_uid user_id, T_passwd *pwd_r,
- T_buf *buf_r, T_len len_r),
- uid_t user_id, struct passwd *pwd_r,
- char *buf_r, size_t len_r, struct passwd **pwd_entry)
-{
- return getpwuid_r (user_id, pwd_r, buf_r, len_r);
-}
-
-/* This is used on IRIX 5.2. */
-template <typename T_uid, typename T_passwd, typename T_buf, typename T_len>
-static inline int
-getpwuid_adaptor(T_passwd * (*getpwuid_r)(T_uid user_id, T_passwd *pwd_r,
- T_buf *buf_r, T_len len_r),
- uid_t user_id, struct passwd *pwd_r,
- char *buf_r, size_t len_r, struct passwd **pwd_entry)
-{
- *pwd_entry = getpwuid_r (user_id, pwd_r, buf_r, len_r);
- return (*pwd_entry == NULL) ? errno : 0;
-}
-#endif
-
-/*
- * This method returns a time zone string that is used by init_properties
- * to set the default timezone property 'user.timezone'. That value is
- * used by default as a key into the timezone table used by the
- * java::util::TimeZone class.
- */
-jstring
-java::lang::System::getSystemTimeZone (void)
-{
- struct tm *tim;
- time_t current_time;
- long tzoffset;
- const char *tz1, *tz2;
- char *tzid;
-
- current_time = time(0);
-
- mktime(tim = localtime(¤t_time));
-#ifdef STRUCT_TM_HAS_GMTOFF
- // tm_gmtoff is secs EAST of UTC.
- tzoffset = -(tim->tm_gmtoff) + tim->tm_isdst * 3600L;
-#elif HAVE_TIMEZONE
- // timezone is secs WEST of UTC.
- tzoffset = timezone;
-#else
- // FIXME: there must be another global if neither tm_gmtoff nor timezone
- // is available, esp. if tzname is valid.
- // Richard Earnshaw <rearnsha@arm.com> has suggested using difftime to
- // calculate between gmtime and localtime (and accounting for possible
- // daylight savings time) as an alternative.
- tzoffset = 0L;
-#endif
-
-#ifdef HAVE_TM_ZONE
- tz1 = tim->tm_zone;
- tz2 = "";
-#elif defined (HAVE_TZNAME)
- tz1 = tzname[0];
- tz2 = strcmp (tzname[0], tzname[1]) ? tzname[1] : "";
-#else
- // Some targets have no concept of timezones.
- tz1 = "???";
- tz2 = tz1;
-#endif
-
- if ((tzoffset % 3600) == 0)
- tzoffset = tzoffset / 3600;
-
- tzid = (char*) _Jv_Malloc (strlen(tz1) + strlen(tz2) + 6);
- sprintf(tzid, "%s%ld%s", tz1, tzoffset, tz2);
- jstring retval = JvNewStringUTF (tzid);
- _Jv_Free (tzid);
-
- return retval;
-}
-
-void
-java::lang::System::init_properties (void)
-{
- JvSynchronize sync (&java::lang::System::class$);
-
- if (properties != NULL)
- return;
-
- java::util::Properties* newprops = new java::util::Properties ();
-
- // A convenience define.
-#define SET(Prop,Val) \
- newprops->put(JvNewStringLatin1 (Prop), JvNewStringLatin1 (Val))
-
- // A mixture of the Java Product Versioning Specification
- // (introduced in 1.2), and earlier versioning properties.
- SET ("java.version", GCJVERSION);
- SET ("java.vendor", "Free Software Foundation, Inc.");
- SET ("java.vendor.url", "http://gcc.gnu.org/java/");
- SET ("java.class.version", "46.0");
- SET ("java.vm.specification.version", "1.0");
- SET ("java.vm.specification.name", "Java(tm) Virtual Machine Specification");
- SET ("java.vm.specification.vendor", "Sun Microsystems Inc.");
- SET ("java.vm.version", __VERSION__);
- SET ("java.vm.vendor", "Free Software Foundation, Inc.");
- SET ("java.vm.name", "GNU libgcj");
- SET ("java.specification.version", "1.3");
- SET ("java.specification.name", "Java(tm) Platform API Specification");
- SET ("java.specification.vendor", "Sun Microsystems Inc.");
-
- char value[100];
-#define NAME "GNU libgcj "
- strcpy (value, NAME);
- strncpy (value + sizeof (NAME) - 1, __VERSION__,
- sizeof(value) - sizeof(NAME));
- value[sizeof (value) - 1] = '\0';
- jstring version = JvNewStringLatin1 (value);
- newprops->put (JvNewStringLatin1 ("java.fullversion"), version);
- newprops->put (JvNewStringLatin1 ("java.vm.info"), version);
-
- // This definition is rather arbitrary: we choose $(prefix). In
- // part we do this because most people specify only --prefix and
- // nothing else when installing gcj. Plus, people are free to
- // redefine `java.home' with `-D' if necessary.
- SET ("java.home", PREFIX);
-
- SET ("file.encoding", default_file_encoding);
-
-#ifdef HAVE_UNAME
- struct utsname u;
- if (! uname (&u))
- {
- SET ("os.name", u.sysname);
- SET ("os.arch", u.machine);
- SET ("os.version", u.release);
- }
- else
- {
- SET ("os.name", "unknown");
- SET ("os.arch", "unknown");
- SET ("os.version", "unknown");
- }
-#endif /* HAVE_UNAME */
-
-#ifndef NO_GETUID
-#ifdef HAVE_PWD_H
- uid_t user_id = getuid ();
- struct passwd *pwd_entry;
-
-#ifdef HAVE_GETPWUID_R
- struct passwd pwd_r;
- size_t len_r = 200;
- char *buf_r = (char *) _Jv_AllocBytes (len_r);
-
- while (buf_r != NULL)
- {
- int r = getpwuid_adaptor (getpwuid_r, user_id, &pwd_r,
- buf_r, len_r, &pwd_entry);
- if (r == 0)
- break;
- else if (r != ERANGE)
- {
- pwd_entry = NULL;
- break;
- }
- len_r *= 2;
- buf_r = (char *) _Jv_AllocBytes (len_r);
- }
-#else
- pwd_entry = getpwuid (user_id);
-#endif /* HAVE_GETPWUID_R */
-
- if (pwd_entry != NULL)
- {
- SET ("user.name", pwd_entry->pw_name);
- SET ("user.home", pwd_entry->pw_dir);
- }
-#endif /* HAVE_PWD_H */
-#endif /* NO_GETUID */
-
-#ifdef HAVE_GETCWD
-#ifdef HAVE_UNISTD_H
- /* Use getcwd to set "user.dir". */
- int buflen = 250;
- char *buffer = (char *) malloc (buflen);
- while (buffer != NULL)
- {
- if (getcwd (buffer, buflen) != NULL)
- {
- SET ("user.dir", buffer);
- break;
- }
- if (errno != ERANGE)
- break;
- buflen = 2 * buflen;
- buffer = (char *) realloc (buffer, buflen);
- }
- if (buffer != NULL)
- free (buffer);
-#endif /* HAVE_UNISTD_H */
-#endif /* HAVE_GETCWD */
-
- // Set user locale properties based on setlocale()
-#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
- // We let the user choose the locale. However, since Java differs
- // from POSIX, we arbitrarily pick LC_MESSAGES as determining the
- // Java locale. We can't use LC_ALL because it might return a full
- // list of all the settings. If we don't have LC_MESSAGES then we
- // just default to `en_US'.
- setlocale (LC_ALL, "");
- char *locale = setlocale (LC_MESSAGES, "");
- if (locale && strlen (locale) >= 2)
- {
- char buf[3];
- buf[2] = '\0';
- // copy the first two chars to user.language
- strncpy (buf, locale, 2);
- SET ("user.language", buf);
- // if the next char is a '_', copy the two after that to user.region
- locale += 2;
- if (locale[0] == '_')
- {
- locale++;
- strncpy (buf, locale, 2);
- SET ("user.region", buf);
- }
- }
- else
-#endif /* HAVE_SETLOCALE and HAVE_LC_MESSAGES */
- {
- SET ("user.language", "en");
- SET ("user.region", "US");
- }
-
- // Set the "user.timezone" property.
- jstring timezone = getDefaultTimeZoneId ();
- if (timezone != NULL)
- newprops->put (JvNewStringLatin1 ("user.timezone"), timezone);
-
- // Set some properties according to whatever was compiled in with
- // `-D'.
- for (int i = 0; _Jv_Compiler_Properties[i]; ++i)
- {
- const char *s, *p;
- // Find the `='.
- for (s = p = _Jv_Compiler_Properties[i]; *s && *s != '='; ++s)
- ;
- jstring name = JvNewStringLatin1 (p, s - p);
- jstring val = JvNewStringLatin1 (*s == '=' ? s + 1 : s);
- newprops->put (name, val);
- }
-
- // Set the system properties from the user's environment.
-#ifndef DISABLE_GETENV_PROPERTIES
- if (_Jv_Environment_Properties)
- {
- size_t i = 0;
-
- while (_Jv_Environment_Properties[i].key)
- {
- SET (_Jv_Environment_Properties[i].key,
- _Jv_Environment_Properties[i].value);
- i++;
- }
- }
-#endif
-
- if (_Jv_Jar_Class_Path)
- newprops->put(JvNewStringLatin1 ("java.class.path"),
- JvNewStringLatin1 (_Jv_Jar_Class_Path));
- else
- {
- // FIXME: find libgcj.zip and append its path?
- char *classpath = ::getenv("CLASSPATH");
- jstring cp = newprops->getProperty (JvNewStringLatin1("java.class.path"));
- java::lang::StringBuffer *sb = new java::lang::StringBuffer ();
-
- if (classpath)
- {
- sb->append (JvNewStringLatin1 (classpath));
-#ifdef WIN32
- sb->append ((jchar) ';');
-#else
- sb->append ((jchar) ':');
-#endif
- }
- if (cp != NULL)
- sb->append (cp);
- else
- sb->append ((jchar) '.');
-
- newprops->put(JvNewStringLatin1 ("java.class.path"),
- sb->toString ());
- }
-
- // Allow platform specific settings and overrides.
- _Jv_platform_initProperties (newprops);
-
- // Finally, set the field. This ensures that concurrent getProperty()
- // calls will return initialized values without requiring them to be
- // synchronized in the common case.
- properties = newprops;
-}
projects / msp430-gcc.git / blobdiff