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Bash-5.2 patch 21: fix for expanding command substitutions in a word expansion in a here-document

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Chet Ramey
2023-11-09 16:48:34 -05:00
parent b8a52e05d4
commit 2bb3cbefdb
2 changed files with 3 additions and 3 deletions
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patchlevel.h
+1 -1
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@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */ looks for to find the patch level (for the sccs version string). */
#define PATCHLEVEL 20 #define PATCHLEVEL 21
#endif /* _PATCHLEVEL_H_ */ #endif /* _PATCHLEVEL_H_ */
subst.c
+2 -2
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@@ -1693,7 +1693,7 @@ extract_heredoc_dolbrace_string (string, sindex, quoted, flags)
t = extract_command_subst (string, &si, flags); t = extract_command_subst (string, &si, flags);
CHECK_STRING_OVERRUN (i, si, slen, c); CHECK_STRING_OVERRUN (i, si, slen, c);
tlen = si - i - 1; tlen = si - i - 2;
RESIZE_MALLOCED_BUFFER (result, result_index, tlen + 4, result_size, 64); RESIZE_MALLOCED_BUFFER (result, result_index, tlen + 4, result_size, 64);
result[result_index++] = c; result[result_index++] = c;
result[result_index++] = LPAREN; result[result_index++] = LPAREN;
@@ -1713,7 +1713,7 @@ extract_heredoc_dolbrace_string (string, sindex, quoted, flags)
t = extract_process_subst (string, (string[i] == '<' ? "<(" : ">)"), &si, flags); t = extract_process_subst (string, (string[i] == '<' ? "<(" : ">)"), &si, flags);
CHECK_STRING_OVERRUN (i, si, slen, c); CHECK_STRING_OVERRUN (i, si, slen, c);
tlen = si - i - 1; tlen = si - i - 2;
RESIZE_MALLOCED_BUFFER (result, result_index, tlen + 4, result_size, 64); RESIZE_MALLOCED_BUFFER (result, result_index, tlen + 4, result_size, 64);
result[result_index++] = c; result[result_index++] = c;
result[result_index++] = LPAREN; result[result_index++] = LPAREN;