(svn r17336) -Codechange: move some os specific files into src/os/

1 files changed, 314 insertions, 0 deletions

diff --git a/src/os/unix/unix.cpp b/src/os/unix/unix.cpp
new file mode 100644
index 000000000..bbe916c57
--- /dev/null
+++ b/src/os/unix/unix.cpp
@@ -0,0 +1,314 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file unix.cpp Implementation of Unix specific file handling. */
+
+#include "../../stdafx.h"
+#include "../../openttd.h"
+#include "../../variables.h"
+#include "../../textbuf_gui.h"
+#include "../../functions.h"
+#include "../../core/random_func.hpp"
+
+#include "table/strings.h"
+
+#include <dirent.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <signal.h>
+
+#if (defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L) || defined(__GLIBC__)
+	#define HAS_STATVFS
+#endif
+
+#ifdef HAS_STATVFS
+#include <sys/statvfs.h>
+#endif
+
+
+#ifdef __MORPHOS__
+#include <exec/types.h>
+ULONG __stack = (1024*1024)*2; // maybe not that much is needed actually ;)
+
+/* The system supplied definition of SIG_IGN does not match */
+#undef SIG_IGN
+#define SIG_IGN (void (*)(int))1
+#endif /* __MORPHOS__ */
+
+#ifdef __AMIGA__
+#warning add stack symbol to avoid that user needs to set stack manually (tokai)
+// ULONG __stack =
+#endif
+
+#if defined(__APPLE__)
+	#if defined(WITH_SDL)
+		/* the mac implementation needs this file included in the same file as main() */
+		#include <SDL.h>
+	#endif
+#endif
+
+bool FiosIsRoot(const char *path)
+{
+#if !defined(__MORPHOS__) && !defined(__AMIGAOS__)
+	return path[1] == '\0';
+#else
+	/* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
+	const char *s = strchr(path, ':');
+	return s != NULL && s[1] == '\0';
+#endif
+}
+
+void FiosGetDrives()
+{
+	return;
+}
+
+bool FiosGetDiskFreeSpace(const char *path, uint64 *tot)
+{
+	uint64 free = 0;
+
+#ifdef HAS_STATVFS
+# ifdef __APPLE__
+	/* OSX 10.3 lacks statvfs so don't try to use it even though later versions of OSX has it. */
+	if (MacOSVersionIsAtLeast(10, 4, 0))
+# endif
+	{
+		struct statvfs s;
+
+		if (statvfs(path, &s) != 0) return false;
+		free = (uint64)s.f_frsize * s.f_bavail;
+	}
+#endif
+	if (tot != NULL) *tot = free;
+	return true;
+}
+
+bool FiosIsValidFile(const char *path, const struct dirent *ent, struct stat *sb)
+{
+	char filename[MAX_PATH];
+
+#if defined(__MORPHOS__) || defined(__AMIGAOS__)
+	/* On MorphOS or AmigaOS paths look like: "Volume:directory/subdirectory" */
+	if (FiosIsRoot(path)) {
+		snprintf(filename, lengthof(filename), "%s:%s", path, ent->d_name);
+	} else // XXX - only next line!
+#else
+	assert(path[strlen(path) - 1] == PATHSEPCHAR);
+	if (strlen(path) > 2) assert(path[strlen(path) - 2] != PATHSEPCHAR);
+#endif
+	snprintf(filename, lengthof(filename), "%s%s", path, ent->d_name);
+
+	return stat(filename, sb) == 0;
+}
+
+bool FiosIsHiddenFile(const struct dirent *ent)
+{
+	return ent->d_name[0] == '.';
+}
+
+#ifdef WITH_ICONV
+
+#include <iconv.h>
+#include <errno.h>
+#include "../../debug.h"
+#include "../../string_func.h"
+
+const char *GetCurrentLocale(const char *param);
+
+#define INTERNALCODE "UTF-8"
+
+/** Try and try to decipher the current locale from environmental
+ * variables. MacOSX is hardcoded, other OS's are dynamic. If no suitable
+ * locale can be found, don't do any conversion "" */
+static const char *GetLocalCode()
+{
+#if defined(__APPLE__)
+	return "UTF-8-MAC";
+#else
+	/* Strip locale (eg en_US.UTF-8) to only have UTF-8 */
+	const char *locale = GetCurrentLocale("LC_CTYPE");
+	if (locale != NULL) locale = strchr(locale, '.');
+
+	return (locale == NULL) ? "" : locale + 1;
+#endif
+}
+
+/** FYI: This is not thread-safe.
+ * convert between locales, which from and which to is set in the calling
+ * functions OTTD2FS() and FS2OTTD(). You should NOT use this function directly
+ * NOTE: iconv was added in OSX 10.3. 10.2.x will still have the invalid char
+ * issues. There aren't any easy fix for this */
+static const char *convert_tofrom_fs(iconv_t convd, const char *name)
+{
+	static char buf[1024];
+	/* Work around buggy iconv implementation where inbuf is wrongly typed as
+	 * non-const. Correct implementation is at
+	 * http://www.opengroup.org/onlinepubs/007908799/xsh/iconv.html */
+#ifdef HAVE_BROKEN_ICONV
+	char *inbuf = (char*)name;
+#else
+	const char *inbuf = name;
+#endif
+
+	char *outbuf  = buf;
+	size_t outlen = sizeof(buf) - 1;
+	size_t inlen  = strlen(name);
+
+	strecpy(outbuf, name, outbuf + outlen);
+
+	iconv(convd, NULL, NULL, NULL, NULL);
+	if (iconv(convd, &inbuf, &inlen, &outbuf, &outlen) == (size_t)(-1)) {
+		DEBUG(misc, 0, "[iconv] error converting '%s'. Errno %d", name, errno);
+	}
+
+	*outbuf = '\0';
+	/* FIX: invalid characters will abort conversion, but they shouldn't occur? */
+	return buf;
+}
+
+/** Convert from OpenTTD's encoding to that of the local environment
+ * @param name pointer to a valid string that will be converted
+ * @return pointer to a new stringbuffer that contains the converted string */
+const char *OTTD2FS(const char *name)
+{
+	static iconv_t convd = (iconv_t)(-1);
+
+	if (convd == (iconv_t)(-1)) {
+		const char *env = GetLocalCode();
+		convd = iconv_open(env, INTERNALCODE);
+		if (convd == (iconv_t)(-1)) {
+			DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", INTERNALCODE, env);
+			return name;
+		}
+	}
+
+	return convert_tofrom_fs(convd, name);
+}
+
+/** Convert to OpenTTD's encoding from that of the local environment
+ * @param name pointer to a valid string that will be converted
+ * @return pointer to a new stringbuffer that contains the converted string */
+const char *FS2OTTD(const char *name)
+{
+	static iconv_t convd = (iconv_t)(-1);
+
+	if (convd == (iconv_t)(-1)) {
+		const char *env = GetLocalCode();
+		convd = iconv_open(INTERNALCODE, env);
+		if (convd == (iconv_t)(-1)) {
+			DEBUG(misc, 0, "[iconv] conversion from codeset '%s' to '%s' unsupported", env, INTERNALCODE);
+			return name;
+		}
+	}
+
+	return convert_tofrom_fs(convd, name);
+}
+
+#else
+const char *FS2OTTD(const char *name) {return name;}
+const char *OTTD2FS(const char *name) {return name;}
+#endif /* WITH_ICONV */
+
+void ShowInfo(const char *str)
+{
+	fprintf(stderr, "%s\n", str);
+}
+
+void ShowOSErrorBox(const char *buf, bool system)
+{
+#if defined(__APPLE__)
+	/* this creates an NSAlertPanel with the contents of 'buf'
+	 * this is the native and nicest way to do this on OSX */
+	ShowMacDialog( buf, "See readme for more info\nMost likely you are missing files from the original TTD", "Quit" );
+#else
+	/* All unix systems, except OSX. Only use escape codes on a TTY. */
+	if (isatty(fileno(stderr))) {
+		fprintf(stderr, "\033[1;31mError: %s\033[0;39m\n", buf);
+	} else {
+		fprintf(stderr, "Error: %s\n", buf);
+	}
+#endif
+}
+
+#ifdef WITH_COCOA
+void cocoaSetupAutoreleasePool();
+void cocoaReleaseAutoreleasePool();
+#endif
+
+int CDECL main(int argc, char *argv[])
+{
+	int ret;
+
+#ifdef WITH_COCOA
+	cocoaSetupAutoreleasePool();
+	/* This is passed if we are launched by double-clicking */
+	if (argc >= 2 && strncmp(argv[1], "-psn", 4) == 0) {
+		argv[1] = NULL;
+		argc = 1;
+	}
+#endif
+
+	SetRandomSeed(time(NULL));
+
+	signal(SIGPIPE, SIG_IGN);
+
+	ret = ttd_main(argc, argv);
+
+#ifdef WITH_COCOA
+	cocoaReleaseAutoreleasePool();
+#endif
+
+	return ret;
+}
+
+bool InsertTextBufferClipboard(Textbuf *tb)
+{
+	return false;
+}
+
+
+/* multi os compatible sleep function */
+
+#ifdef __AMIGA__
+/* usleep() implementation */
+#	include <devices/timer.h>
+#	include <dos/dos.h>
+
+	extern struct Device      *TimerBase    = NULL;
+	extern struct MsgPort     *TimerPort    = NULL;
+	extern struct timerequest *TimerRequest = NULL;
+#endif /* __AMIGA__ */
+
+void CSleep(int milliseconds)
+{
+	#if defined(PSP)
+		sceKernelDelayThread(milliseconds * 1000);
+	#elif defined(__BEOS__)
+		snooze(milliseconds * 1000);
+	#elif defined(__AMIGA__)
+	{
+		ULONG signals;
+		ULONG TimerSigBit = 1 << TimerPort->mp_SigBit;
+
+		/* send IORequest */
+		TimerRequest->tr_node.io_Command = TR_ADDREQUEST;
+		TimerRequest->tr_time.tv_secs    = (milliseconds * 1000) / 1000000;
+		TimerRequest->tr_time.tv_micro   = (milliseconds * 1000) % 1000000;
+		SendIO((struct IORequest *)TimerRequest);
+
+		if (!((signals = Wait(TimerSigBit | SIGBREAKF_CTRL_C)) & TimerSigBit) ) {
+			AbortIO((struct IORequest *)TimerRequest);
+		}
+		WaitIO((struct IORequest *)TimerRequest);
+	}
+	#else
+		usleep(milliseconds * 1000);
+	#endif
+}