int sh_env(t_info *info)
{
int i;
t_info context;
sh_context(info, &context);
UNSET(context.opt, OPT_A);
i = 1;
while (env_opt(context.args[i], &context))
i++;
if (GET(context.opt, OPT_I))
env_i(&context, i);
else if (!context.args[1])
{
sh_printenv(&context);
return (EXIT_SUCCESS);
}
else
env_set(&context);
if (ft_strequ(context.args[0], "cd"))
return (EXIT_SUCCESS);
else if (context.args[0])
sh_exec(&context);
else
sh_printenv(&context);
sh_clear_context(&context);
return (EXIT_SUCCESS);
}
int
b_tee(int argc, register char** argv, void* context)
{
register Tee_t* tp = 0;
register int oflag = O_WRONLY|O_TRUNC|O_CREAT|O_BINARY;
register int* hp;
register char* cp;
int line;
if (argc <= 0)
{
if (context && (tp = (Tee_t*)sh_context(context)->data))
{
sh_context(context)->data = 0;
tee_cleanup(tp);
}
return 0;
}
cmdinit(argc, argv, context, ERROR_CATALOG, ERROR_CALLBACK);
line = -1;
for (;;)
{
switch (optget(argv, usage))
{
case 'a':
oflag &= ~O_TRUNC;
oflag |= O_APPEND;
continue;
case 'i':
signal(SIGINT, SIG_IGN);
continue;
case 'l':
line = sfset(sfstdout, 0, 0) & SF_LINE;
if ((line == 0) == (opt_info.num == 0))
line = -1;
else
sfset(sfstdout, SF_LINE, !!opt_info.num);
continue;
case ':':
error(2, "%s", opt_info.arg);
break;
case '?':
error(ERROR_usage(2), "%s", opt_info.arg);
break;
}
break;
}
if (error_info.errors)
error(ERROR_usage(2), "%s", optusage(NiL));
argv += opt_info.index;
argc -= opt_info.index;
#if _ANCIENT_BSD_COMPATIBILITY
if (*argv && streq(*argv, "-"))
{
signal(SIGINT, SIG_IGN);
argv++;
argc--;
}
#endif
if (argc > 0)
{
if (tp = (Tee_t*)stakalloc(sizeof(Tee_t) + argc * sizeof(int)))
{
memset(&tp->disc, 0, sizeof(tp->disc));
tp->disc.writef = tee_write;
if (context)
sh_context(context)->data = (void*)tp;
tp->line = line;
hp = tp->fd;
while (cp = *argv++)
{
if ((*hp = open(cp, oflag, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)) < 0)
error(ERROR_system(0), "%s: cannot create", cp);
else
hp++;
}
if (hp == tp->fd)
tp = 0;
else
{
*hp = -1;
sfdisc(sfstdout, &tp->disc);
}
}
else
error(ERROR_exit(0), "out of space");
}
if ((sfmove(sfstdin, sfstdout, SF_UNBOUND, -1) < 0 || !sfeof(sfstdin)) && errno != EPIPE)
error(ERROR_system(0), "read error");
if (sfsync(sfstdout))
error(ERROR_system(0), "write error");
tee_cleanup(tp);
return error_info.errors;
}
