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-rw-r--r--src/liblzma/api/lzma.h18
-rw-r--r--src/liblzma/api/lzma/base.h4
2 files changed, 13 insertions, 9 deletions
diff --git a/src/liblzma/api/lzma.h b/src/liblzma/api/lzma.h
index bb617213..d4c69323 100644
--- a/src/liblzma/api/lzma.h
+++ b/src/liblzma/api/lzma.h
@@ -154,15 +154,19 @@
******************/
/*
- * Some systems require that the functions are declared specially
- * in the headers.
+ * Some systems require (or at least recommend) that the functions and
+ * function pointers are declared specially in the headers.
*/
+#ifdef _WIN32
+# define LZMA_API_CALL __cdecl
+# define LZMA_API_IMPORT __declspec(dllimport)
+#else
+# define LZMA_API_CALL
+# define LZMA_API_IMPORT
+#endif
+
#ifndef LZMA_API
-# if defined(_WIN32)
-# define LZMA_API __cdecl __declspec(dllimport)
-# else
-# define LZMA_API
-# endif
+# define LZMA_API LZMA_API_CALL LZMA_API_IMPORT
#endif
diff --git a/src/liblzma/api/lzma/base.h b/src/liblzma/api/lzma/base.h
index 9fe3ca66..4944e690 100644
--- a/src/liblzma/api/lzma/base.h
+++ b/src/liblzma/api/lzma/base.h
@@ -376,7 +376,7 @@ typedef struct {
* returned NULL if some function from liblzma
* returns LZMA_MEM_ERROR.
*/
- void *(*alloc)(void *opaque, size_t nmemb, size_t size);
+ void *(LZMA_API_CALL *alloc)(void *opaque, size_t nmemb, size_t size);
/**
* \brief Pointer to a custom memory freeing function
@@ -390,7 +390,7 @@ typedef struct {
* or when it is set to NULL, a pointer returned
* by the standard malloc().
*/
- void (*free)(void *opaque, void *ptr);
+ void (LZMA_API_CALL *free)(void *opaque, void *ptr);
/**
* \brief Pointer passed to .alloc() and .free()