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31 lines
1.0 KiB
31 lines
1.0 KiB
https://bugs.gentoo.org/600174
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https://lists.gnu.org/archive/html/bug-bash/2016-11/msg00099.html
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*** ../bash-4.4-patched/builtins/pushd.def 2016-01-25 13:31:49.000000000 -0500
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--- builtins/pushd.def 2016-10-28 10:46:49.000000000 -0400
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***************
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*** 366,370 ****
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}
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! if (which > directory_list_offset || (directory_list_offset == 0 && which == 0))
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{
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pushd_error (directory_list_offset, which_word ? which_word : "");
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--- 366,370 ----
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}
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! if (which > directory_list_offset || (which < -directory_list_offset) || (directory_list_offset == 0 && which == 0))
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{
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pushd_error (directory_list_offset, which_word ? which_word : "");
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***************
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*** 388,391 ****
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--- 388,396 ----
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of the list into place. */
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i = (direction == '+') ? directory_list_offset - which : which;
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+ if (i < 0 || i > directory_list_offset)
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+ {
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+ pushd_error (directory_list_offset, which_word ? which_word : "");
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+ return (EXECUTION_FAILURE);
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+ }
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free (pushd_directory_list[i]);
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directory_list_offset--;
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