Move attribute definitions to a separate header

8 files changed, 87 insertions, 55 deletions

diff --git a/include/zix/attributes.h b/include/zix/attributes.h
new file mode 100644
index 0000000..c8f77c4
--- /dev/null
+++ b/include/zix/attributes.h
@@ -0,0 +1,81 @@
+/*
+  Copyright 2021 David Robillard <d@drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef ZIX_ATTRIBUTES_H
+#define ZIX_ATTRIBUTES_H
+
+/**
+   @addtogroup zix
+   @{
+*/
+
+// ZIX_API must be used to decorate things in the public API
+#ifndef ZIX_API
+#  if defined(_WIN32) && !defined(ZIX_STATIC) && defined(ZIX_INTERNAL)
+#    define ZIX_API __declspec(dllexport)
+#  elif defined(_WIN32) && !defined(ZIX_STATIC)
+#    define ZIX_API __declspec(dllimport)
+#  elif defined(__GNUC__)
+#    define ZIX_API __attribute__((visibility("default")))
+#  else
+#    define ZIX_API
+#  endif
+#endif
+
+// GCC pure/const/malloc attributes
+#ifdef __GNUC__
+#  define ZIX_PURE_FUNC __attribute__((pure))
+#  define ZIX_CONST_FUNC __attribute__((const))
+#  define ZIX_MALLOC_FUNC __attribute__((malloc))
+#else
+#  define ZIX_PURE_FUNC
+#  define ZIX_CONST_FUNC
+#  define ZIX_MALLOC_FUNC
+#endif
+
+#define ZIX_PURE_API \
+  ZIX_API            \
+  ZIX_PURE_FUNC
+
+#define ZIX_CONST_API \
+  ZIX_API             \
+  ZIX_CONST_FUNC
+
+#define ZIX_MALLOC_API \
+  ZIX_API              \
+  ZIX_MALLOC_FUNC
+
+// Printf-like format functions
+#ifdef __GNUC__
+#  define ZIX_LOG_FUNC(fmt, arg1) __attribute__((format(printf, fmt, arg1)))
+#else
+#  define ZIX_LOG_FUNC(fmt, arg1)
+#endif
+
+// Unused parameter macro to suppresses warnings and make it impossible to use
+#if defined(__cplusplus)
+#  define ZIX_UNUSED(name)
+#elif defined(__GNUC__)
+#  define ZIX_UNUSED(name) name##_unused __attribute__((__unused__))
+#else
+#  define ZIX_UNUSED(name) name
+#endif
+
+/**
+   @}
+*/
+
+#endif /* ZIX_ATTRIBUTES_H */
diff --git a/include/zix/bitset.h b/include/zix/bitset.h
index 07f133f..ee8b805 100644
--- a/include/zix/bitset.h
+++ b/include/zix/bitset.h
@@ -17,7 +17,7 @@
 #ifndef ZIX_BITSET_H
 #define ZIX_BITSET_H
 
-#include "zix/common.h"
+#include "zix/attributes.h"
 
 #include <limits.h>
 #include <stdbool.h>
diff --git a/include/zix/btree.h b/include/zix/btree.h
index 07de8c3..e2a5f26 100644
--- a/include/zix/btree.h
+++ b/include/zix/btree.h
@@ -17,6 +17,7 @@
 #ifndef ZIX_BTREE_H
 #define ZIX_BTREE_H
 
+#include "zix/attributes.h"
 #include "zix/common.h"
 
 #include <stdbool.h>
diff --git a/include/zix/common.h b/include/zix/common.h
index f43fcde..cfadb65 100644
--- a/include/zix/common.h
+++ b/include/zix/common.h
@@ -24,62 +24,10 @@
    @{
 */
 
-/** @cond */
-#ifndef ZIX_API
-#  if defined(_WIN32) && !defined(ZIX_STATIC) && defined(ZIX_INTERNAL)
-#    define ZIX_API __declspec(dllexport)
-#  elif defined(_WIN32) && !defined(ZIX_STATIC)
-#    define ZIX_API __declspec(dllimport)
-#  elif defined(__GNUC__)
-#    define ZIX_API __attribute__((visibility("default")))
-#  else
-#    define ZIX_API
-#  endif
-#endif
-
-#ifdef __GNUC__
-#  define ZIX_PURE_FUNC __attribute__((pure))
-#  define ZIX_CONST_FUNC __attribute__((const))
-#  define ZIX_MALLOC_FUNC __attribute__((malloc))
-#else
-#  define ZIX_PURE_FUNC
-#  define ZIX_CONST_FUNC
-#  define ZIX_MALLOC_FUNC
-#endif
-
-#define ZIX_PURE_API \
-  ZIX_API            \
-  ZIX_PURE_FUNC
-
-#define ZIX_CONST_API \
-  ZIX_API             \
-  ZIX_CONST_FUNC
-
-#define ZIX_MALLOC_API \
-  ZIX_API              \
-  ZIX_MALLOC_FUNC
-
-/** @endcond */
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-#ifdef __GNUC__
-#  define ZIX_LOG_FUNC(fmt, arg1) __attribute__((format(printf, fmt, arg1)))
-#else
-#  define ZIX_LOG_FUNC(fmt, arg1)
-#endif
-
-// Unused parameter macro to suppresses warnings and make it impossible to use
-#if defined(__cplusplus)
-#  define ZIX_UNUSED(name)
-#elif defined(__GNUC__)
-#  define ZIX_UNUSED(name) name##_unused __attribute__((__unused__))
-#else
-#  define ZIX_UNUSED(name) name
-#endif
-
 typedef enum {
   ZIX_STATUS_SUCCESS,
   ZIX_STATUS_ERROR,
diff --git a/include/zix/digest.h b/include/zix/digest.h
index 6df7002..139a0bd 100644
--- a/include/zix/digest.h
+++ b/include/zix/digest.h
@@ -17,7 +17,7 @@
 #ifndef ZIX_DIGEST_H
 #define ZIX_DIGEST_H
 
-#include "zix/common.h"
+#include "zix/attributes.h"
 
 #include <stddef.h>
 #include <stdint.h>
diff --git a/include/zix/hash.h b/include/zix/hash.h
index f08d267..27fb39d 100644
--- a/include/zix/hash.h
+++ b/include/zix/hash.h
@@ -17,6 +17,7 @@
 #ifndef ZIX_HASH_H
 #define ZIX_HASH_H
 
+#include "zix/attributes.h"
 #include "zix/common.h"
 
 #include <stdbool.h>
diff --git a/include/zix/ring.h b/include/zix/ring.h
index 2650f07..69803bf 100644
--- a/include/zix/ring.h
+++ b/include/zix/ring.h
@@ -17,7 +17,7 @@
 #ifndef ZIX_RING_H
 #define ZIX_RING_H
 
-#include "zix/common.h"
+#include "zix/attributes.h"
 
 #include <stdint.h>
 
diff --git a/include/zix/tree.h b/include/zix/tree.h
index e0daa80..a6822e1 100644
--- a/include/zix/tree.h
+++ b/include/zix/tree.h
@@ -17,6 +17,7 @@
 #ifndef ZIX_TREE_H
 #define ZIX_TREE_H
 
+#include "zix/attributes.h"
 #include "zix/common.h"
 
 #include <stdbool.h>