Getting rid of newlib, starting to implement a libc. Highly experimental, highly untested.

1 files changed, 21 insertions, 0 deletions

diff --git a/libc/src/write.c b/libc/src/write.c
new file mode 100644
index 0000000..e44806c
--- /dev/null
+++ b/libc/src/write.c
@@ -0,0 +1,21 @@
+#include "reent.h"
+#include "errno.h"
+#include <fio.h>
+
+ssize_t write(int fd, const void * buf, size_t size) {
+    ssize_t r;
+
+    if (!fio_is_open(fd)) {
+        _impure_ptr->_errno = EBADF;
+        return -1;
+    }
+    
+    r = fio_write(fd, buf, size);
+    
+    if (r < 0) {
+        _impure_ptr->_errno = EINVAL;
+        return -1;
+    }
+    
+    return r;
+}