lib9p: idl: Create an 'errno' type

2 files changed, 30 insertions, 22 deletions

diff --git a/lib9p/include/lib9p/9p.generated.h b/lib9p/include/lib9p/9p.generated.h
index f107b1f..9003416 100644
--- a/lib9p/include/lib9p/9p.generated.h
+++ b/lib9p/include/lib9p/9p.generated.h
@@ -261,6 +261,12 @@ typedef uint8_t lib9p_o_t;
 #define   LIB9P_O_FLAG_MASK        ((lib9p_o_t)(0b11111100))
 
 #endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
+#if CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u
+/* size = 4 ; max_iov = 1 ; max_copy = 4 */
+typedef uint32_t lib9p_errno_t;
+#define LIB9P_ERRNO_NOERROR ((lib9p_errno_t)UINT32_C(0))
+
+#endif /* CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_u */
 #if CONFIG_9P_ENABLE_9P2000_L
 /* size = 8 ; max_iov = 1 ; max_copy = 8 */
 typedef uint64_t lib9p_getattr_t;
@@ -463,12 +469,6 @@ struct lib9p_msg_Rwstat {
 
 #endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
 #if CONFIG_9P_ENABLE_9P2000_L
-/* size = 11 ; max_iov = 1 ; max_copy = 11 */
-struct lib9p_msg_Rlerror {
-	lib9p_tag_t   tag;
-	uint32_t      ecode;
-};
-
 /* size = 67 ; max_iov = 1 ; max_copy = 67 */
 struct lib9p_msg_Rstatfs {
 	lib9p_tag_t   tag;
@@ -648,19 +648,6 @@ struct lib9p_msg_Rversion {
 	struct lib9p_s   version;
 };
 
-/* LIB9P_VER_9P2000    : min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
-/* LIB9P_VER_9P2000_L  : min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
-/* LIB9P_VER_9P2000_e  : min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
-/* LIB9P_VER_9P2000_p9p: min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
-/* LIB9P_VER_9P2000_u  : min_size = 13 ; exp_size = 40 ; max_size = 65,548 ; max_iov = 3 ; max_copy = 13 */
-struct lib9p_msg_Rerror {
-	lib9p_tag_t      tag;
-	struct lib9p_s   ename;
-#if CONFIG_9P_ENABLE_9P2000_u
-	uint32_t         errno;
-#endif /* CONFIG_9P_ENABLE_9P2000_u */
-};
-
 /* min_size = 17 ; exp_size = 481 ; max_size = 1,048,609 ; max_iov = 32 ; max_copy = 49 */
 struct lib9p_msg_Twalk {
 	lib9p_tag_t      tag;
@@ -878,7 +865,28 @@ struct lib9p_msg_Topenfd {
 };
 
 #endif /* CONFIG_9P_ENABLE_9P2000_p9p */
+#if CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u
+/* LIB9P_VER_9P2000    : min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
+/* LIB9P_VER_9P2000_L  : min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
+/* LIB9P_VER_9P2000_e  : min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
+/* LIB9P_VER_9P2000_p9p: min_size = 9 ; exp_size = 36 ; max_size = 65,544 ; max_iov = 2 ; max_copy = 9 */
+/* LIB9P_VER_9P2000_u  : min_size = 13 ; exp_size = 40 ; max_size = 65,548 ; max_iov = 3 ; max_copy = 13 */
+struct lib9p_msg_Rerror {
+	lib9p_tag_t      tag;
+	struct lib9p_s   ename;
+#if CONFIG_9P_ENABLE_9P2000_u
+	lib9p_errno_t    errno;
+#endif /* CONFIG_9P_ENABLE_9P2000_u */
+};
+
+#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
 #if CONFIG_9P_ENABLE_9P2000_L
+/* size = 11 ; max_iov = 1 ; max_copy = 11 */
+struct lib9p_msg_Rlerror {
+	lib9p_tag_t     tag;
+	lib9p_errno_t   ecode;
+};
+
 /* size = 19 ; max_iov = 1 ; max_copy = 19 */
 struct lib9p_msg_Tgetattr {
 	lib9p_tag_t       tag;
diff --git a/lib9p/include/lib9p/9p.h b/lib9p/include/lib9p/9p.h
index 4ecb172..35b7ef2 100644
--- a/lib9p/include/lib9p/9p.h
+++ b/lib9p/include/lib9p/9p.h
@@ -46,7 +46,7 @@ struct lib9p_ctx {
 
 	/* state */
 #ifdef CONFIG_9P_ENABLE_9P2000_u
-	uint32_t                err_num;
+	lib9p_errno_t           err_num;
 #endif
 	[[gnu::nonstring]] char err_msg[CONFIG_9P_MAX_ERR_SIZE];
 };
@@ -56,9 +56,9 @@ void lib9p_ctx_clear_error(struct lib9p_ctx *ctx);
 bool lib9p_ctx_has_error(struct lib9p_ctx *ctx);
 
 /** Write an static error into ctx, return -1.  */
-int lib9p_error(struct lib9p_ctx *ctx, uint32_t linux_errno, char const *msg);
+int lib9p_error(struct lib9p_ctx *ctx, lib9p_errno_t linux_errno, char const *msg);
 /** Write a printf-style error into ctx, return -1.  */
-int lib9p_errorf(struct lib9p_ctx *ctx, uint32_t linux_errno, char const *fmt, ...) [[gnu::format(printf, 3, 4)]];
+int lib9p_errorf(struct lib9p_ctx *ctx, lib9p_errno_t linux_errno, char const *fmt, ...) [[gnu::format(printf, 3, 4)]];
 
 /* main T-message functions ***************************************************/