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42 lines
708 B
42 lines
708 B
#include <common.h>
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static char buf[512];
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int main(int argc, char **argv)
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{
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char *fn = "/bigdaddy.txt";
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int fd;
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if ((fd = open(fn, O_RDWR, 0)) >= 0) {
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printf("deleting %s\n", fn);
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close(fd);
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if (unlink(fn) < 0)
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errx(-1, "unlink");
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}
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if ((fd = open(fn, O_RDWR | O_CREAT, 0)) < 0)
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errx(-1, "open");
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int i;
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for (i = 0; i < sizeof(buf); i++)
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buf[i] = 0x41 + (i / 1000);
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int ret;
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//int blks = 1000;
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int blks = 140;
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for (i = 0; i < blks; i++) {
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//printf("write %d\n", i);
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size_t c = sizeof(buf);
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size_t e = c;
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if ((ret = write(fd, buf, c)) != e) {
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printf("write failed %d\n", ret);
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return -1;
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}
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}
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if (close(fd))
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errx(-1, "close");
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printf("done\n");
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return 0;
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}
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