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19 lines
409 B
19 lines
409 B
#include <sys/types.h> |
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#include <unistd.h> |
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#include <sys/mman.h> |
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#include "open.h" |
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#include "mmap.h" |
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extern char* mmap_shared(const char* filename,unsigned long* filesize) { |
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int fd=open_read(filename); |
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char *map; |
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if (fd>=0) { |
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*filesize=lseek(fd,0,SEEK_END); |
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map=mmap(0,*filesize,PROT_WRITE,MAP_SHARED,fd,0); |
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if (map==(char*)-1) |
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map=0; |
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close(fd); |
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return map; |
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} |
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return 0; |
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}
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