lib9p: Use __attribute__((always_inline)) and __attribute__((flatten))

1 files changed, 11 insertions, 9 deletions

diff --git a/lib9p/internal.h b/lib9p/internal.h
index f67735b..d1da014 100644
--- a/lib9p/internal.h
+++ b/lib9p/internal.h
@@ -22,7 +22,9 @@ static_assert(CONFIG_9P_MAX_ERR_SIZE + CONFIG_9P_MAX_MSG_SIZE + 2*CONFIG_9P_MAX_
 
 /* C language *****************************************************************/
 
-#define UNUSED(name) /* name __attribute__ ((unused)) */
+#define UNUSED(name)            /* name __attribute__((unused)) */
+#define ALWAYS_INLINE           inline __attribute__((always_inline))
+#define FLATTEN                 __attribute__((flatten))
 
 /* types **********************************************************************/
 
@@ -86,22 +88,22 @@ extern struct _vtable_version _lib9p_vtables[LIB9P_VER_NUM];
 
 /* unmarshal utilities ********************************************************/
 
-static inline uint8_t decode_u8le(uint8_t *in) {
+static ALWAYS_INLINE uint8_t decode_u8le(uint8_t *in) {
 	return in[0];
 }
-static inline uint16_t decode_u16le(uint8_t *in) {
+static ALWAYS_INLINE uint16_t decode_u16le(uint8_t *in) {
 	return (((uint16_t)(in[0])) <<	0)
 	     | (((uint16_t)(in[1])) <<	8)
 	     ;
 }
-static inline uint32_t decode_u32le(uint8_t *in) {
+static ALWAYS_INLINE uint32_t decode_u32le(uint8_t *in) {
 	return (((uint32_t)(in[0])) <<	0)
 	     | (((uint32_t)(in[1])) <<	8)
 	     | (((uint32_t)(in[2])) << 16)
 	     | (((uint32_t)(in[3])) << 24)
 	     ;
 }
-static inline uint64_t decode_u64le(uint8_t *in) {
+static ALWAYS_INLINE uint64_t decode_u64le(uint8_t *in) {
 	return (((uint64_t)(in[0])) <<	0)
 	     | (((uint64_t)(in[1])) <<	8)
 	     | (((uint64_t)(in[2])) << 16)
@@ -139,20 +141,20 @@ static inline bool _is_valid_utf8(uint8_t *str, size_t len, bool forbid_nul) {
 
 /* marshal utilities **********************************************************/
 
-static inline void encode_u8le(uint8_t in, uint8_t *out) {
+static ALWAYS_INLINE void encode_u8le(uint8_t in, uint8_t *out) {
 	out[0] = in;
 }
-static inline void encode_u16le(uint16_t in, uint8_t *out) {
+static ALWAYS_INLINE void encode_u16le(uint16_t in, uint8_t *out) {
 	out[0] = (uint8_t)((in >>  0) & 0xFF);
 	out[1] = (uint8_t)((in >>  8) & 0xFF);
 }
-static inline void encode_u32le(uint32_t in, uint8_t *out) {
+static ALWAYS_INLINE void encode_u32le(uint32_t in, uint8_t *out) {
 	out[0] = (uint8_t)((in >>  0) & 0xFF);
 	out[1] = (uint8_t)((in >>  8) & 0xFF);
 	out[2] = (uint8_t)((in >> 16) & 0xFF);
 	out[3] = (uint8_t)((in >> 24) & 0xFF);
 }
-static inline void encode_u64le(uint64_t in, uint8_t *out) {
+static ALWAYS_INLINE void encode_u64le(uint64_t in, uint8_t *out) {
 	out[0] = (uint8_t)((in >>  0) & 0xFF);
 	out[1] = (uint8_t)((in >>  8) & 0xFF);
 	out[2] = (uint8_t)((in >> 16) & 0xFF);