/* Maps the same file into memory twice and verifies that the
same data is readable in both. */
#include
#include
#include tests/vm/sample.inc
#include tests/lib.h
#include tests/main.h
void
test_main (void)
{
char *actual[2] = {(char *) 0x10000000, (char *) 0x20000000};
size_t i;
int handle[2];
for (i = 0; i < 2; i++) {CHECK ((handle[i] = open (“sample.txt”)) > 1,
open sample.txt #%zu, i);
CHECK (mmap (handle[i], actual[i]) != MAP_FAILED,
mmap sample.txt #%zu at %p, i, (void *) actual[i]);
}
for (i = 0; i < 2; i++)CHECK (!memcmp (actual[i], sample, strlen (sample)), “compare mmap’d file %zu against data”, i);}
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