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Fix unlikely buffer overrun when checkpointing

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* src/checkpoint.c (format_checkpoint_string):
Don’t overrun buffer when word splitting.
This commit is contained in:
Paul Eggert
2024-08-03 11:52:17 -07:00
parent 7cda31b1e0
commit 9cef4d5495
1 changed files with 5 additions and 2 deletions
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src/checkpoint.c
+5 -2
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@@ -300,10 +300,13 @@ format_checkpoint_string (FILE *fp, size_t len,
if (arg)
{
ws.ws_delim = ",";
if (wordsplit (arg, &ws, WRDSF_NOVAR | WRDSF_NOCMD |
WRDSF_QUOTE | WRDSF_DELIM))
if (wordsplit (arg, &ws,
(WRDSF_NOVAR | WRDSF_NOCMD
| WRDSF_QUOTE | WRDSF_DELIM)))
ERROR ((0, 0, _("cannot split string '%s': %s"),
arg, wordsplit_strerror (&ws)));
else if (3 < ws.ws_wordc)
ERROR ((0, 0, _("too many words in '%s'"), arg));
else
{
int i;