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-rw-r--r--src/zix/common.h92
1 files changed, 71 insertions, 21 deletions
diff --git a/src/zix/common.h b/src/zix/common.h
index 51683c4..d47586c 100644
--- a/src/zix/common.h
+++ b/src/zix/common.h
@@ -1,5 +1,5 @@
/*
- Copyright 2016 David Robillard <d@drobilla.net>
+ Copyright 2016-2020 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
@@ -17,39 +17,65 @@
#ifndef ZIX_COMMON_H
#define ZIX_COMMON_H
+#include <stdbool.h>
+
/**
@addtogroup zix
@{
*/
/** @cond */
-#ifdef ZIX_SHARED
-# ifdef _WIN32
-# define ZIX_LIB_IMPORT __declspec(dllimport)
-# define ZIX_LIB_EXPORT __declspec(dllexport)
-# else
-# define ZIX_LIB_IMPORT __attribute__((visibility("default")))
-# define ZIX_LIB_EXPORT __attribute__((visibility("default")))
-# endif
-# ifdef ZIX_INTERNAL
-# define ZIX_API ZIX_LIB_EXPORT
-# else
-# define ZIX_API ZIX_LIB_IMPORT
-# endif
-# define ZIX_PRIVATE static
-#elif defined(ZIX_INLINE)
-# define ZIX_API static inline
-# define ZIX_PRIVATE static inline
+#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
-# define ZIX_PRIVATE static
#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
-# include <stdbool.h>
+# 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 {
@@ -62,10 +88,34 @@ typedef enum {
ZIX_STATUS_BAD_PERMS
} ZixStatus;
+static inline const char*
+zix_strerror(const ZixStatus status)
+{
+ switch (status) {
+ case ZIX_STATUS_SUCCESS:
+ return "Success";
+ case ZIX_STATUS_ERROR:
+ return "Unknown error";
+ case ZIX_STATUS_NO_MEM:
+ return "Out of memory";
+ case ZIX_STATUS_NOT_FOUND:
+ return "Not found";
+ case ZIX_STATUS_EXISTS:
+ return "Exists";
+ case ZIX_STATUS_BAD_ARG:
+ return "Bad argument";
+ case ZIX_STATUS_BAD_PERMS:
+ return "Bad permissions";
+ }
+ return "Unknown error";
+}
+
/**
Function for comparing two elements.
*/
-typedef int (*ZixComparator)(const void* a, const void* b, void* user_data);
+typedef int (*ZixComparator)(const void* a,
+ const void* b,
+ const void* user_data);
/**
Function for testing equality of two elements.