I am stoopid (and fixed some bugs)

include/ardix/types.h

@@ -9,18 +9,11 @@
 #define __SIZE_TYPE__ unsigned long int
 #endif /* __SIZE_TYPE__ */
 
-#if __SIZEOF_SIZE_T__ == 1
-#define _SSIZE_TYPE_ int8_t;
-#elif __SIZEOF_SIZE_T__ == 2
-#define _SSIZE_TYPE_ int16_t;
-#else
-#define _SSIZE_TYPE_ int32_t;
-#endif /* __SIZEOF_SIZE_T__ */
-
 /** Unsigned size specifier. */
 typedef __SIZE_TYPE__		size_t;
 /** Signed size specifier (negative sizes mean error codes). */
 typedef __PTRDIFF_TYPE__	ssize_t;
+typedef __PTRDIFF_TYPE__	ptrdiff_t;
 
 #if CONFIG_SCHED_MAXPROC < 128
 #define _PID_TYPE_ int8_t
@@ -38,7 +31,7 @@ typedef _PID_TYPE_		pid_t;
 #endif /* __SIG_ATOMIC_TYPE__ */
 
 typedef struct {
-	__SIG_ATOMIC_TYPE__ lock;
+	_Atomic __SIG_ATOMIC_TYPE__ lock;
 } atomic_t;
 
 /*

kernel/Makefile

@@ -26,5 +26,5 @@
 ARDIX_KERNEL_PWD = $(PWD)/kernel
 
 ARDIX_SOURCES += \
-	$(ARCHX_KERNEL_PWD)/ringbuf.c \
+	$(ARDIX_KERNEL_PWD)/ringbuf.c \
 	$(ARDIX_KERNEL_PWD)/sched.c

kernel/ringbuf.c

@@ -5,6 +5,7 @@
 
 #include <ardix/malloc.h>
 #include <ardix/ringbuf.h>
+#include <ardix/types.h>
 #include <stddef.h>
 
 struct ringbuf *ringbuf_create(size_t size)
@@ -16,9 +17,11 @@ struct ringbuf *ringbuf_create(size_t size)
 	buf->size = size;
 	buf->rpos = &buf->data[0];
 	buf->wpos = &buf->data[0];
+
+	return buf;
 }
 
-void ringbuf_destroy(struct ringbuf *buf)
+inline void ringbuf_destroy(struct ringbuf *buf)
 {
 	free(buf);
 }
@@ -32,7 +35,7 @@ size_t ringbuf_read(uint8_t *dest, struct ringbuf *buf, size_t len)
 		n++;
 
 		/* wrap around */
-		if (buf->rpos - &buf->data[0] >= buf->size)
+		if ((ptrdiff_t)(buf->rpos) - (ptrdiff_t)(&buf->data[0]) >= (ptrdiff_t)(buf->size))
 			buf->rpos = &buf->data[0];
 	}
 
@@ -48,7 +51,7 @@ size_t ringbuf_write(struct ringbuf *buf, const uint8_t *src, size_t len)
 		n++;
 
 		/* wrap around */
-		if (buf->wpos - &buf->data[0] >= buf->size)
+		if ((ptrdiff_t)(buf->wpos) - (ptrdiff_t)(&buf->data[0]) >= (ptrdiff_t)(buf->size))
 			buf->wpos = &buf->data[0];
 	}