use filesystem for fs stuff.

toolbox/fs_spec.cpp

@@ -2,8 +2,11 @@
 
 #include <algorithm>
 #include <cassert>
-#include <unistd.h>
-#include <sys/param.h>
+
+
+#include <filesystem>
+
+namespace fs = std::experimental::filesystem;
 
 namespace OS {
 
@@ -31,13 +34,12 @@ namespace OS {
 
 	int32_t FSSpecManager::IDForCWD()
 	{
-		char buffer[MAXPATHLEN];
-		char *cp;
 
-		cp = getcwd(buffer, sizeof(buffer));
-		if (cp < 0) return 0;
+		std::error_code ec;
+		fs::path p = fs::current_path(ec);
+		if (ec) return 0;
 
-		std::string path(cp);
+		std::string path(p.generic_u8string());
 
 		return FSSpecManager::IDForPath(std::move(path), true);
 	}

toolbox/os.cpp

@@ -39,6 +39,10 @@
 
 #include <strings.h>
 
+#include <filesystem>
+
+namespace fs = std::experimental::filesystem;
+
 #include <cpu/defs.h>
 #include <cpu/CpuModule.h>
 #include <cpu/fmem.h>
@@ -465,8 +469,6 @@ namespace OS
 			_ioDirID = 48,
 		};
 
-		struct stat st;
-
 		bool htrap = trap & 0x0200;
 		const char *func = htrap ? "HDelete" : "Delete";
 
@@ -494,21 +496,10 @@ namespace OS
 
 		Log("     %s(%s)\n", func, sname.c_str());
 
-		int ok;
-
-		ok = ::lstat(sname.c_str(), &st);
-		if (ok == 0)
-		{
-			if (S_ISDIR(st.st_mode))
-				ok = ::rmdir(sname.c_str());
-			else
-				ok = ::unlink(sname.c_str());
-		}
-
-		if (ok < 0)
-			d0 = macos_error_from_errno();
-		else
-			d0 = 0;
+		std::error_code ec;
+		if (fs::remove(sname, ec)) d0 = 0;
+		else if (ec) d0 = macos_error_from_errno(ec);
+		else d0 = MacOS::fnfErr;
 
 		memoryWriteWord(d0, parm + _ioResult);
 		return d0;

toolbox/os_hfs_dispatch.cpp

@@ -33,13 +33,14 @@
 #include <deque>
 #include <string>
 #include <cstring>
+#include <vector>
 
 #include <sys/stat.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
-#include <dirent.h>
-#include <sys/param.h>
+
+#include <filesystem>
 
 #include <strings.h>
 
@@ -63,6 +64,8 @@ using ToolBox::Log;
 
 using MacOS::macos_error_from_errno;
 
+namespace  fs = std::experimental::filesystem;
+
 namespace OS {
 
 	uint16_t PBGetWDInfo(uint32_t parm)
@@ -328,11 +331,8 @@ namespace OS {
 			std::string sname = FSSpecManager::PathForID(ioDirID);
 			if (sname.empty()) {
 
-				char buffer[MAXPATHLEN];
-				char *cp;
-
-				cp = getcwd(buffer, sizeof(buffer));
-				sname = cp ? cp : ".";				
+				auto path = fs::current_path();
+				sname = path.empty() ? "." : path.generic_u8string();
 			}
 			d0 = CatInfoByName(sname, parm);
 
@@ -366,46 +366,26 @@ namespace OS {
 			sname = OS::realpath(sname);
 
 			// if sname == "", error...
-			DIR *dp;
-			struct dirent *dir;
 
-			dp = opendir(sname.c_str());
-			if (!dp) {
-				d0 = macos_error_from_errno();
+			fs::directory_iterator dir(sname);
+			std::vector<fs::path> names(fs::begin(dir), fs::end(dir));
+
+			if (ioFDirIndex >= names.size()) {
+				d0 = MacOS::fnfErr; // end of dir error?
 				memoryWriteWord(d0, parm + _ioResult);
 				return d0;
 			}
 
-			while ((dir = readdir(dp))) {
-				if (dir->d_name[0] == '.') {
-					if (!strcmp(dir->d_name, ".")) continue;
-					if (!strcmp(dir->d_name, "..")) continue;
-				}
-#ifdef HAVE_DIRENT_D_NAMLEN
-				if (dir->d_namlen > 255) continue;  // too long!
-#else
-				if (strlen(dir->d_name) > 255) continue;
-#endif
-				if (--ioFDirIndex == 0) break;
-			}
+			// alphabetical order...
+			std::sort(names.begin(), names.end());
 
-			if (!dir) {
-				closedir(dp);
-				d0 = MacOS::fnfErr;
-				memoryWriteWord(d0, parm + _ioResult);
-				return d0;
-			}
+			auto e = names[ioFDirIndex - 1];
 
 			if (ioNamePtr) {
-				ToolBox::WritePString(ioNamePtr, dir->d_name);
+				ToolBox::WritePString(ioNamePtr, e.filename().generic_u8string());
 			}
 
-			sname.push_back('/');
-			sname.append(dir->d_name);
-			closedir(dp);
-
-	
-			d0 = CatInfoByName(sname, parm);
+			d0 = CatInfoByName(e.generic_u8string(), parm);
 		}
 
 		memoryWriteWord(d0, parm + _ioResult);

toolbox/os_highlevel.cpp

@@ -43,6 +43,10 @@
 
 #include <strings.h>
 
+#include <filesystem>
+
+namespace fs = std::experimental::filesystem;
+
 #include <cpu/defs.h>
 #include <cpu/CpuModule.h>
 #include <cpu/fmem.h>
@@ -81,6 +85,10 @@ namespace OS {
 	// MacOS: -> { -1, 1, "MacOS" }
 	// MacOS:dumper -> {-1, 2 "dumper"}
 
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
+
 	std::string realpath(const std::string &path)
 	{
 		char buffer[PATH_MAX + 1];
@@ -340,7 +348,6 @@ namespace OS {
 		 */
 
 		uint32_t spec;
-		struct stat st;
 
 		StackFrame<4>(spec);
 
@@ -348,20 +355,11 @@ namespace OS {
 
 		Log("     FSpDelete(%s)\n", sname.c_str());
 
+		std::error_code ec;
 
-		if (::lstat(sname.c_str(), &st) < 0)
-			return macos_error_from_errno();
-
-		int ok = 0;
-		if (S_ISDIR(st.st_mode))
-			ok = ::rmdir(sname.c_str());
-		else
-			ok = ::unlink(sname.c_str());
-
-		if (ok < 0)
-			return macos_error_from_errno();
-
-		return 0;
+		if (fs::remove(sname, ec)) return 0;
+		if (ec) return macos_error_from_errno(ec);
+		return MacOS::fnfErr;			
 	}
 
 
@@ -388,20 +386,19 @@ namespace OS {
 
 		Log("     ResolveAliasFile(%s)\n", path.c_str());
 
-		struct stat st;
-		int rv;
 
-		rv = ::stat(path.c_str(), &st);
-		if (rv < 0)
-		{
+		std::error_code ec;
+		fs::file_status st = fs::status(path, ec);
+
+		if (ec) {
 			if (wasAliased) memoryWriteWord(0, wasAliased);
 			if (targetIsFolder) memoryWriteWord(0, targetIsFolder);
 
-			return macos_error_from_errno();
+			return macos_error_from_errno(ec);
 		}
 
 		if (targetIsFolder)
-				memoryWriteWord(S_ISDIR(st.st_mode) ? 1 : 0, targetIsFolder);
+				memoryWriteWord(fs::is_directory(st) ? 1 : 0, targetIsFolder);
 
 		// don't bother pretending a soft link is an alias.
 		if (wasAliased) memoryWriteWord(0, wasAliased);