4lDO2
24 lines
486 B
C
24 lines
486 B
C
#include <stdio.h>
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#include <unistd.h>
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#include "test_helpers.h"
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int main(void) {
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const char *msg = "Hello, %s";
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int fd = dup(STDOUT_FILENO);
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ERROR_IF(dup, fd, == -1);
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int result = dprintf(fd, msg, "world");
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ERROR_IF(dprintf, result, != sizeof("Hello, world") - 1);
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UNEXP_IF(dprintf, result, < 0);
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result = dprintf(fd, "\na\n");
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UNEXP_IF(dprintf, result, < 0);
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ERROR_IF(dprintf, result, != sizeof("\na\n") - 1);
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close(fd);
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return 0;
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}
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