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/* Simple test program for checking O_APPEND writes (see append_writer.c)
*
* Contributed by hatakeyama@bsd.tnes.nec.co.jp
*/
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/param.h>
#include <stdio.h>
int main(int argc, char **argv)
{
char *file;
int fd, i, rc, d;
if (argc < 2)
exit(1);
file = argv[1];
if ((fd = open(file, O_RDONLY, 0600)) == -1) {
perror("couldn't open");
exit(1);
}
for (i = 0; ;i ++) {
if ((rc = read(fd, &d, sizeof(d))) != sizeof(i)) {
if (rc == 0)
exit(0);
perror("couldn't read");
exit(1);
}
if (d != i) {
fprintf(stderr, "bad data, offset = %u, got %d wanted %d\n", i * 4, d, i);
exit(1);
}
}
exit(0);
}
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