directory ops

libsrc/rp6502/f_stat.c

@@ -0,0 +1,21 @@
+#include <rp6502.h>
+#include <errno.h>
+#include <string.h>
+
+int __fastcall__ f_stat (const char* path, f_stat_t* dirent)
+{
+    int i, ax;
+    size_t pathlen = strlen (path);
+    if (pathlen > 255) {
+        errno = EINVAL;
+        return -1;
+    }
+    while (pathlen) {
+        ria_push_char (path[--pathlen]);
+    }
+    ax = ria_call_int (RIA_OP_STAT);
+    for (i = 0; i < sizeof (f_stat_t); i++) {
+        ((char*)dirent)[i] = ria_pop_char ();
+    }
+    return ax;
+}