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/*
* Copyright 2006 The Android Open Source Project
*
* System utilities.
*/
#ifndef _MINZIP_SYSUTIL
#define _MINZIP_SYSUTIL
#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 {
unsigned char* addr; /* start of data */
size_t length; /* length of data */
int range_count;
MappedRange* ranges;
} MemMapping;
/*
* 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 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 sysReleaseMap(MemMapping* pMap);
#ifdef __cplusplus
}
#endif
#endif /*_MINZIP_SYSUTIL*/
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