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-rw-r--r--minzip/SysUtil.h38
1 files changed, 23 insertions, 15 deletions
diff --git a/minzip/SysUtil.h b/minzip/SysUtil.h
index 55cd0e769..7adff1e54 100644
--- a/minzip/SysUtil.h
+++ b/minzip/SysUtil.h
@@ -6,39 +6,47 @@
#ifndef _MINZIP_SYSUTIL
#define _MINZIP_SYSUTIL
-#include "inline_magic.h"
-
+#include <stdio.h>
#include <sys/types.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct MappedRange {
+ void* addr;
+ size_t length;
+} MappedRange;
+
/*
* Use this to keep track of mapped segments.
*/
typedef struct MemMapping {
- void* addr; /* start of data */
- size_t length; /* length of data */
+ unsigned char* addr; /* start of data */
+ size_t length; /* length of data */
- void* baseAddr; /* page-aligned base address */
- size_t baseLength; /* length of mapping */
+ int range_count;
+ MappedRange* ranges;
} MemMapping;
-/* copy a map */
-INLINE void sysCopyMap(MemMapping* dst, const MemMapping* src) {
- *dst = *src;
-}
-
/*
- * Map a file (from fd's current offset) into a shared,
- * read-only memory segment.
+ * Map a file into a private, read-only memory segment. If 'fn'
+ * begins with an '@' character, it is a map of blocks to be mapped,
+ * otherwise it is treated as an ordinary file.
*
* On success, "pMap" is filled in, and zero is returned.
*/
-int sysMapFileInShmem(int fd, MemMapping* pMap);
+int sysMapFile(const char* fn, MemMapping* pMap);
/*
* Release the pages associated with a shared memory segment.
*
* This does not free "pMap"; it just releases the memory.
*/
-void sysReleaseShmem(MemMapping* pMap);
+void sysReleaseMap(MemMapping* pMap);
+
+#ifdef __cplusplus
+}
+#endif
#endif /*_MINZIP_SYSUTIL*/