Windows: tigge: implement windows build

tigge/tigge_check.c

@@ -25,7 +25,18 @@
 #include <string.h>
 #include <math.h>
 #include <sys/types.h>
-#include <dirent.h>
+
+#ifndef ECCODES_ON_WINDOWS
+  #include <dirent.h>
+#else
+  #include <direct.h>
+  #include <io.h>
+
+  #ifdef _MSC_VER
+  #   define strcasecmp _stricmp
+  #endif
+#endif
+
 #include <assert.h>
 #include "tigge_tools.h"
 

tigge/tigge_name.c

@@ -25,9 +25,15 @@
 #include <string.h>
 #include <math.h>
 #include <sys/types.h>
-#include <dirent.h>
 #include "tigge_tools.h"
 
+#ifndef ECCODES_ON_WINDOWS
+  #include <dirent.h>
+#else
+  #include <direct.h>
+  #include <io.h>
+#endif
+
 /* #define CHECK(a) check(#a,a) */
 #define NUMBER(a) (sizeof(a)/sizeof(a[0]))
 

tigge/tigge_split.c

@@ -25,9 +25,22 @@
 #include <string.h>
 #include <math.h>
 #include <sys/types.h>
-#include <dirent.h>
-#include <unistd.h>
 
+#ifndef ECCODES_ON_WINDOWS
+  #include <dirent.h>
+  #include <unistd.h>
+#else
+  #include <direct.h>
+  #include <io.h>
+
+  #ifndef F_OK
+  #  define F_OK 0
+  #endif
+
+  #ifdef _MSC_VER
+  #  define access(path,mode) _access(path,mode)
+  #endif
+#endif
 
 #define CHECK(a) check(#a,a)
 

tigge/tigge_tools.c

@@ -13,14 +13,23 @@
  */
 
 #include "tigge_tools.h"
+#include "eccodes_windef.h"
 
 #include <stdlib.h>
 #include <sys/types.h>
-#include <dirent.h>
+
+#ifndef ECCODES_ON_WINDOWS
+  #include <dirent.h>
+#else
+  #include <direct.h>
+  #include <io.h>
+#endif
+
 #include <stdio.h>
 
 extern void validate(const char* path);
 
+#ifndef ECCODES_ON_WINDOWS
 void scan(const char* name)
 {
     DIR *dir;
@@ -41,3 +50,32 @@ void scan(const char* name)
         validate(name);
     }
 }
+#else
+// based on similar code in grib_tools.c
+static int isWinDir(const struct _finddata_t *fileinfo)
+{
+    if((fileinfo->attrib & 16) == 16)
+        return 1;
+    return 0;
+}
+void scan(const char* name)
+{
+    struct _finddata_t fileinfo;
+    intptr_t handle;
+    if((handle = _findfirst(name, &fileinfo)) != -1)
+    {
+        char tmp[1024];
+        do {
+            if(isWinDir(&fileinfo))
+            {
+                if(fileinfo.name[0] != '.') {
+                    sprintf(tmp, "%s/%s", name, fileinfo.name);
+                    scan(tmp);
+                }
+            }
+        } while(!_findnext(handle, &fileinfo));
+    }
+    else
+        validate(name);
+}
+#endif