100int pidfile(const char *path, const char *name)
  101{
  102    char pid_str[32];
  103    pid_t pid;
  104    char *file;
  105    int fd;
  106    int ret, err;
Declaring variable "len" without initializer.
  107    ssize_t len;
  108    ssize_t size;
  109    ssize_t written;
  110    ssize_t pidlen = sizeof(pid_str - 1);
  111
  112    file = talloc_asprintf(NULL, "%s/%s.pid", path, name);
At conditional (1): "!file" taking the false branch.
  113    if (!file) {
  114        return ENOMEM;
  115    }
  116
  117    fd = open(file, O_RDONLY, 0644);
  118    err = errno;
At conditional (2): "fd != -1" taking the true branch.
  119    if (fd != -1) {
  120
  121        pid_str[pidlen] = '\0';
  122
  123
Using uninitialized value "len".
  124        while ((ret = read(fd, pid_str + len, pidlen - len)) != 0) {
  125            if (ret == -1) {
  126                if (errno == EINTR || errno == EAGAIN) {