115 lines
3.4 KiB
Diff
115 lines
3.4 KiB
Diff
BASH PATCH REPORT
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=================
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Bash-Release: 5.1
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Patch-ID: bash51-004
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Bug-Reported-by: oguzismailuysal@gmail.com
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Bug-Reference-ID: <CAH7i3LoHGmwaghDpCWRUfcY04gQmeDTH3RiG=bf2b=KbU=gyhw@mail.gmail.com>
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Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2020-12/msg00039.html
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Bug-Description:
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If a key-value compound array assignment to an associative array is supplied
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as an assignment statement argument to the `declare' command that declares the
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array, the assignment doesn't perform the correct word expansions.
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This patch makes key-value assignment and subscript assignment perform the
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same expansions when they're supplied as an argument to `declare'.
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Patch (apply with `patch -p0'):
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--- a/arrayfunc.c
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+++ b/arrayfunc.c
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@@ -597,6 +597,27 @@ assign_assoc_from_kvlist (var, nlist, h,
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free (aval);
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}
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}
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+
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+/* Return non-zero if L appears to be a key-value pair associative array
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+ compound assignment. */
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+int
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+kvpair_assignment_p (l)
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+ WORD_LIST *l;
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+{
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+ return (l && (l->word->flags & W_ASSIGNMENT) == 0 && l->word->word[0] != '['); /*]*/
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+}
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+
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+char *
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+expand_and_quote_kvpair_word (w)
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+ char *w;
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+{
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+ char *t, *r;
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+
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+ t = w ? expand_assignment_string_to_string (w, 0) : 0;
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+ r = sh_single_quote (t ? t : "");
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+ free (t);
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+ return r;
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+}
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#endif
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/* Callers ensure that VAR is not NULL. Associative array assignments have not
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@@ -640,7 +661,7 @@ assign_compound_array_list (var, nlist,
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last_ind = (a && (flags & ASS_APPEND)) ? array_max_index (a) + 1 : 0;
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#if ASSOC_KVPAIR_ASSIGNMENT
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- if (assoc_p (var) && nlist && (nlist->word->flags & W_ASSIGNMENT) == 0 && nlist->word->word[0] != '[') /*]*/
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+ if (assoc_p (var) && kvpair_assignment_p (nlist))
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{
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iflags = flags & ~ASS_APPEND;
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assign_assoc_from_kvlist (var, nlist, nhash, iflags);
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--- a/arrayfunc.h
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+++ b/arrayfunc.h
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@@ -67,6 +67,9 @@ extern SHELL_VAR *assign_array_var_from_
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extern char *expand_and_quote_assoc_word PARAMS((char *, int));
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extern void quote_compound_array_list PARAMS((WORD_LIST *, int));
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+extern int kvpair_assignment_p PARAMS((WORD_LIST *));
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+extern char *expand_and_quote_kvpair_word PARAMS((char *));
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+
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extern int unbind_array_element PARAMS((SHELL_VAR *, char *, int));
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extern int skipsubscript PARAMS((const char *, int, int));
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--- a/subst.c
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+++ b/subst.c
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@@ -11604,6 +11604,7 @@ expand_oneword (value, flags)
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{
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WORD_LIST *l, *nl;
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char *t;
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+ int kvpair;
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if (flags == 0)
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{
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@@ -11618,11 +11619,21 @@ expand_oneword (value, flags)
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{
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/* Associative array */
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l = parse_string_to_word_list (value, 1, "array assign");
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+#if ASSOC_KVPAIR_ASSIGNMENT
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+ kvpair = kvpair_assignment_p (l);
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+#endif
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+
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/* For associative arrays, with their arbitrary subscripts, we have to
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expand and quote in one step so we don't have to search for the
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closing right bracket more than once. */
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for (nl = l; nl; nl = nl->next)
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{
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+#if ASSOC_KVPAIR_ASSIGNMENT
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+ if (kvpair)
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+ /* keys and values undergo the same set of expansions */
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+ t = expand_and_quote_kvpair_word (nl->word->word);
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+ else
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+#endif
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if ((nl->word->flags & W_ASSIGNMENT) == 0)
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t = sh_single_quote (nl->word->word ? nl->word->word : "");
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else
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 3
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+#define PATCHLEVEL 4
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#endif /* _PATCHLEVEL_H_ */
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