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additional changes to avoid array subscript double expansion in arithmetic contexts

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This commit is contained in:
Chet Ramey
2021-05-10 09:58:14 -04:00
parent 35bc7025c1
commit b304aabc92
15 changed files with 235 additions and 25 deletions
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subst.c
+2 -2
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@@ -10442,9 +10442,9 @@ add_string:
#if defined (ARRAY_VARS)
case '[': /*]*/
#if 0 /* TAG:bash-5.2 */
if (((quoted & Q_ARITH) == 0 && (word->flags & W_ARRAYREF) == 0) || (shell_compatibility_level <= 51))
if ((quoted & Q_ARITH) == 0 || shell_compatibility_level <= 51)
#else
if (((quoted & Q_ARITH) == 0 && (word->flags & W_ARRAYREF) == 0))
if ((quoted & Q_ARITH) == 0)
#endif
{
if (isexp == 0 && (word->flags & (W_NOSPLIT|W_NOSPLIT2)) == 0 && isifs (c) && (quoted & (Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT)) == 0)