27 lines
525 B
C
27 lines
525 B
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <string.h>
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#ifndef MAP_NORESERVE
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#define MAP_NORESERVE 0
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#endif
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volatile char ch;
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main(){
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struct stat statbuf;
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uchar *buf;
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fstat(0, &statbuf);
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buf = mmap(NULL, statbuf.st_size, PROT_READ, MAP_SHARED|MAP_NORESERVE,
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0, 0);
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if(buf != (uchar*)(-1)){
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uchar *cur, *lim = &buf[statbuf.st_size];
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for(cur = buf; buf != lim; ++cur){
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ch = *cur;
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}
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munmap(buf, statbuf.st_size);
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}
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}
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