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shell/math: deconvolute and explain ?: handling. Give better error message

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function                                             old     new   delta
arith_apply                                         1271    1283     +12

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Denys Vlasenko
2010-09-16 11:50:46 +02:00
parent 063847d6bd
commit bed7c81ea2
6 changed files with 160 additions and 145 deletions
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4
shell/hush.c
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@@ -4938,8 +4938,8 @@ static NOINLINE int expand_vars_to_list(o_string *output, int n, char *arg)
*p = '\0'; /* replace trailing <SPECIAL_VAR_SYMBOL> */
debug_printf_subst("ARITH '%s' first_ch %x\n", arg, first_ch);
res = expand_and_evaluate_arith(arg, NULL);
debug_printf_subst("ARITH RES '"arith_t_fmt"'\n", res);
sprintf(arith_buf, arith_t_fmt, res);
debug_printf_subst("ARITH RES '"ARITH_FMT"'\n", res);
sprintf(arith_buf, ARITH_FMT, res);
val = arith_buf;
break;
}