ssize_t
xwrite(int fd, const char *s, size_t len)
{
- size_t aux = len, r;
+ size_t aux = len;
+ ssize_t r;
while (len > 0) {
r = write(fd, s, len);
die("who are you?\n");
}
- if (!(sh = getenv("SHELL"))) {
+ if ((sh = getenv("SHELL")) == NULL)
sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
- }
if (opt_cmd)
prog = opt_cmd[0];