gbranden pushed a commit to branch master
in repository groff.
commit 17d7fe9166154dba735dd795c37da491a67429f2
Author: G. Branden Robinson <[email protected]>
AuthorDate: Fri Nov 21 21:45:45 2025 -0600
src/roff/troff/input.cpp: Add assertion (6/10).
* src/roff/troff/input.cpp (get_line_arg): Add assertion.
---
ChangeLog | 2 +-
src/roff/troff/input.cpp | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 639bb8a82..b432325f9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,7 +3,7 @@
* src/roff/troff/input.cpp (do_overstrike, do_bracket)
(token::description): Invert sense of test and add assertion.
(token::next): Add assertions to `\z` escape sequence handler.
- (define_character): Add assertion.
+ (define_character, get_line_arg): Add assertion.
(token:description): Split conditional to accommodate assertion.
2025-11-21 G. Branden Robinson <[email protected]>
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index 91cabb841..b9bbf2c49 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -5962,6 +5962,9 @@ static bool get_line_arg(units *n, unsigned char si,
charinfo **cip)
if (!(start_token == tok
&& input_stack::get_level() == start_level)) {
*cip = tok.get_charinfo(true /* required */);
+ if (0 /* nullptr */ == *cip)
+ assert(0 == "attempted to use token without charinfo in"
+ " line-drawing escape sequence");
tok.next();
}
if (!(start_token == tok
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