gbranden pushed a commit to branch master
in repository groff.
commit 3672e67199c97f4bd8134a9a32569c446369d343
Author: G. Branden Robinson <g.branden.robin...@gmail.com>
AuthorDate: Sat Aug 5 10:59:47 2023 -0500
[troff]: Add paranoia to `token::description()`.
* src/roff/troff/input.cpp (token::description): Clear static buffer on
entry to function to avoid another problem like Savannah #62813.
---
ChangeLog | 8 ++++++++
src/roff/troff/input.cpp | 1 +
2 files changed, 9 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index d00f67f25..b71cd2a15 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2023-08-05 G. Branden Robinson <g.branden.robin...@gmail.com>
+
+ [troff]: Add paranoia to `token::description()`.
+
+ * src/roff/troff/input.cpp (token::description): Clear static
+ buffer on entry to function to avoid another problem like
+ Savannah #62813.
+
2023-08-05 G. Branden Robinson <g.branden.robin...@gmail.com>
[troff]: Trivially refactor (`define_color`).
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index ffcee1668..571370faf 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -2505,6 +2505,7 @@ const char *token::description()
{
const size_t bufsz = strlen("character 'x'") + 1;
static char buf[bufsz];
+ (void) memset(buf, 0, bufsz);
switch (type) {
case TOKEN_BACKSPACE:
return "a backspace character";
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