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emacs-29 a3459a28e41: * admin/unidata/emoji-zwj.awk: Avoid sprint buffer
From: |
Eli Zaretskii |
Subject: |
emacs-29 a3459a28e41: * admin/unidata/emoji-zwj.awk: Avoid sprint buffer overflow |
Date: |
Sat, 3 Jun 2023 07:20:51 -0400 (EDT) |
branch: emacs-29
commit a3459a28e4191b90688fdd0b58d1972af303bc2a
Author: Mattias EngdegÄrd <mattiase@acm.org>
Commit: Eli Zaretskii <eliz@gnu.org>
* admin/unidata/emoji-zwj.awk: Avoid sprint buffer overflow
Some AWK implementations have a fixed buffer for sprintf; for mawk the
default size is 8192 bytes. Hoist a string concatenation from
a sprintf call to avoid running into that limit. See discussion at
https://lists.gnu.org/archive/html/emacs-devel/2023-06/msg00090.html .
(cherry picked from commit b5f17fe07c6624380ba8d0c7a400a6b89f225209)
---
admin/unidata/emoji-zwj.awk | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/admin/unidata/emoji-zwj.awk b/admin/unidata/emoji-zwj.awk
index f13f796bcac..4b648aa675e 100644
--- a/admin/unidata/emoji-zwj.awk
+++ b/admin/unidata/emoji-zwj.awk
@@ -106,7 +106,7 @@ END {
for (elt in ch)
{
- entries =
sprintf("%s\n\"\\N{U+%s}\\N{U+FE0E}\"\n\"\\N{U+%s}\\N{U+FE0F}\"", vec[elt],
elt, elt)
+ entries = vec[elt]
sprintf("\n\"\\N{U+%s}\\N{U+FE0E}\"\n\"\\N{U+%s}\\N{U+FE0F}\"", elt, elt)
printf("(#x%s .\n,(eval-when-compile (regexp-opt\n'(\n%s\n))))\n",
elt, entries)
}
print "))"
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