gbranden pushed a commit to branch master
in repository groff.
commit 9a80deb3f15172a845d45421e65f8706b459cfc9
Author: G. Branden Robinson <[email protected]>
AuthorDate: Thu Nov 20 00:09:26 2025 -0600
src/roff/troff/input.cpp: Add assertions (3/10).
* src/roff/troff/input.cpp (token::next): Add assertions to `\z` escape
sequence handler.
---
ChangeLog | 1 +
src/roff/troff/input.cpp | 10 ++++++++--
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 91ea5538d..f459642ca 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@
* src/roff/troff/input.cpp (do_overstrike, do_bracket): Invert
sense of test and add assertion.
+ (token::next): Add assertions to `\z` escape sequence handler.
2025-11-21 G. Branden Robinson <[email protected]>
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index f709c25bf..74eaa716f 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -2650,11 +2650,17 @@ void token::next()
nd = new zero_width_node(nd);
else {
charinfo *ci = get_charinfo(true /* required */);
- if (0 /* nullptr */ == ci)
+ if (0 /* nullptr */ == ci) {
+ assert(0 == "attempted to use token without charinfo in"
+ " zero-width escape sequence");
break;
+ }
node *gn = curenv->make_char_node(ci);
- if (0 /* nullptr */ == gn)
+ if (0 /* nullptr */ == gn) {
+ assert("make_char_node failed to create a character"
+ " node");
break;
+ }
nd = new zero_width_node(gn);
type = TOKEN_NODE;
}
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