liblzma: Revert "Port from C99 to C89/90"

Revert commit v3.1.0-rc1~255^2~5 (liblzma: Port from C99 to C89/90,
2014-07-13).  We now compile as C99 or above except on MSVC where
we will use another approach.

1 files changed, 21 insertions, 43 deletions

diff --git a/Utilities/cmliblzma/liblzma/common/common.h b/Utilities/cmliblzma/liblzma/common/common.h
index a1a1591..6d7412f 100644
--- a/Utilities/cmliblzma/liblzma/common/common.h
+++ b/Utilities/cmliblzma/liblzma/common/common.h
@@ -155,18 +155,18 @@ struct lzma_next_coder_s {
 };
 
 
-/// Constant to initialize lzma_next_coder structure
-static const lzma_next_coder LZMA_NEXT_CODER_INIT =
-	{
-		NULL,
-		LZMA_VLI_UNKNOWN,
-		(uintptr_t)(NULL),
-		NULL,
-		NULL,
-		NULL,
-		NULL,
-		NULL,
-	};
+/// Macro to initialize lzma_next_coder structure
+#define LZMA_NEXT_CODER_INIT \
+	(lzma_next_coder){ \
+		.coder = NULL, \
+		.init = (uintptr_t)(NULL), \
+		.id = LZMA_VLI_UNKNOWN, \
+		.code = NULL, \
+		.end = NULL, \
+		.get_check = NULL, \
+		.memconfig = NULL, \
+		.update = NULL, \
+	}
 
 
 /// Internal data for lzma_strm_init, lzma_code, and lzma_end. A pointer to
@@ -211,7 +211,7 @@ extern void lzma_free(void *ptr, lzma_allocator *allocator);
 
 
 /// Allocates strm->internal if it is NULL, and initializes *strm and
-/// strm->internal. This function is only called via lzma_next_strm_init2 macro.
+/// strm->internal. This function is only called via lzma_next_strm_init macro.
 extern lzma_ret lzma_strm_init(lzma_stream *strm);
 
 /// Initializes the next filter in the chain, if any. This takes care of
@@ -269,37 +269,15 @@ do { \
 /// (The function being called will use lzma_next_coder_init()). If
 /// initialization fails, memory that wasn't freed by func() is freed
 /// along strm->internal.
-#define lzma_next_strm_init1(func, strm, arg1) \
+#define lzma_next_strm_init(func, strm, ...) \
 do { \
-    lzma_ret ret_; \
-    return_if_error(lzma_strm_init(strm)); \
-    ret_ = func(&(strm)->internal->next, (strm)->allocator, arg1); \
-    if (ret_ != LZMA_OK) { \
-        lzma_end(strm); \
-        return ret_; \
-    } \
-} while (0)
-
-#define lzma_next_strm_init2(func, strm, arg1, arg2) \
-do { \
-    lzma_ret ret_; \
-    return_if_error(lzma_strm_init(strm)); \
-    ret_ = func(&(strm)->internal->next, (strm)->allocator, arg1, arg2); \
-    if (ret_ != LZMA_OK) { \
-        lzma_end(strm); \
-        return ret_; \
-    } \
-} while (0)
-
-#define lzma_next_strm_init3(func, strm, arg1, arg2, arg3) \
-do { \
-    lzma_ret ret_; \
-    return_if_error(lzma_strm_init(strm)); \
-    ret_ = func(&(strm)->internal->next, (strm)->allocator, arg1, arg2, arg3); \
-    if (ret_ != LZMA_OK) { \
-        lzma_end(strm); \
-        return ret_; \
-    } \
+	return_if_error(lzma_strm_init(strm)); \
+	const lzma_ret ret_ = func(&(strm)->internal->next, \
+			(strm)->allocator, __VA_ARGS__); \
+	if (ret_ != LZMA_OK) { \
+		lzma_end(strm); \
+		return ret_; \
+	} \
 } while (0)
 
 #endif