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expr: on error, exit with exitcode 2
expr_main 101 110 +9
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@ -481,24 +481,21 @@ static VALUE *eval(void)
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}
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int expr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int expr_main(int argc, char **argv)
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int expr_main(int argc UNUSED_PARAM, char **argv)
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{
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VALUE *v;
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if (argc == 1) {
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xfunc_error_retval = 2; /* coreutils compat */
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G.args = argv + 1;
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if (*G.args == NULL) {
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bb_error_msg_and_die("too few arguments");
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}
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G.args = argv + 1;
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v = eval();
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if (*G.args)
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bb_error_msg_and_die("syntax error");
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if (v->type == INTEGER)
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printf("%" PF_REZ "d\n", PF_REZ_TYPE v->u.i);
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else
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puts(v->u.s);
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fflush_stdout_and_exit(null(v));
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}
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