update the platform header

CMakeLists.txt

@@ -1,8 +0,0 @@
-cmake_minimum_required(VERSION 4.0)
-project(cnotes C)
-
-set(CMAKE_C_STANDARD 90)
-
-add_executable(dumpnotes dumpnotes.c)
-add_executable(addnote addnote.c platform.h)
-

platform.h

@@ -1,14 +1,28 @@
 #ifndef PLATFORM_H
 #define PLATFORM_H
 
-#ifdef _WIN32
+#if defined(__MSDOS__) || defined(__DOS__)
+    #include <dir.h>
     #define mkdir_portable(path) mkdir(path)
     #define PATH_SEPARATOR '\\'
+    #define HOME_ENV "CNOTES_HOME"  /* Or use current dir */
+    #define PATH_SEP_STR "\\"
+    #define MAX_ENTRIES_DEFAULT 100  /* DOS memory constraint */
+#elif defined(_WIN32)
+    #include <direct.h>
+    #define mkdir_portable(path) _mkdir(path)
+    #define PATH_SEPARATOR '\\'
     #define HOME_ENV "USERPROFILE"
+    #define PATH_SEP_STR "\\"
+    #define MAX_ENTRIES_DEFAULT 5000
 #else
+    #include <sys/stat.h>
+    #include <sys/types.h>
     #define mkdir_portable(path) mkdir(path, 0755)
     #define PATH_SEPARATOR '/'
     #define HOME_ENV "HOME"
+    #define PATH_SEP_STR "/"
+    #define MAX_ENTRIES_DEFAULT 5000
 #endif
 
 #endif