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39 lines
805 B
C
39 lines
805 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <fcntl.h>
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#include "portability.h"
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#include "os.h"
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int verbose;
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static void test_pread_empty(const char *fname) {
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int fd;
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char c[12];
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uint64_t r;
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unlink(fname);
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fd = open(fname, O_RDWR | O_CREAT | O_BINARY, S_IRWXU|S_IRWXG|S_IRWXO);
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if (verbose)
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printf("open %s fd %d\n", fname, fd);
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assert(fd != -1);
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r = pread(fd, c, sizeof c, 0);
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assert(r == 0);
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r = close(fd);
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if (verbose)
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printf("close %s %"PRIu64"\n", fname, r);
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}
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int main(int argc, char *argv[]) {
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int i;
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for (i=1; i<argc; i++) {
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char *arg = argv[i];
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if (strcmp(arg, "-v") == 0 || strcmp(arg, "--verbose") == 0)
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verbose++;
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}
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test_pread_empty("junk");
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return 0;
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}
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