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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/wait.h>
#include <errno.h>
int main(int argc, char *argv[]) {
int fd, status;
char buff[5];
char template[] = "/tmp/test-mkostemp.XXXXXX";
fd = mkostemp(template, O_CLOEXEC);
unlink(template);
snprintf(buff, 5, "%d", fd);
if(!fork())
if(execl("./test-mkostemp-child", "test-mkostemp-child", buff, NULL) == -1)
exit(EXIT_FAILURE);
wait(&status);
memset(buff, 0, 5);
lseek(fd, 0, SEEK_SET);
errno = 0;
if(read(fd, buff, 5) == -1)
exit(EXIT_FAILURE);
if(!strncmp(buff, "test", 5))
exit(EXIT_FAILURE);
else
exit(EXIT_SUCCESS);
close(fd);
exit(EXIT_SUCCESS);
}
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