diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2020-04-19 23:37:05 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2020-04-19 23:37:05 +0200 |
| commit | 0d59a2358a2a1f93fb28cd7f47f8420fbf06a9af (patch) | |
| tree | cd6870a2b7489a68492908fdece342653193e3e9 /sys/src/cmd/cc/lex.c | |
| parent | e24bfa4941679fafc7578f542acc08acd18fff99 (diff) | |
?a, cc: fix buffer overflows in built-in preprocessor (macbody)
add a buffer size argument to macexpand() and check for
overflow.
check for overflow when parsing #include directives.
Diffstat (limited to 'sys/src/cmd/cc/lex.c')
| -rw-r--r-- | sys/src/cmd/cc/lex.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/cmd/cc/lex.c b/sys/src/cmd/cc/lex.c index 5419f26bf..0fac0c95b 100644 --- a/sys/src/cmd/cc/lex.c +++ b/sys/src/cmd/cc/lex.c @@ -760,7 +760,7 @@ talph: if(s->macro) { newio(); cp = ionext->b; - macexpand(s, cp); + macexpand(s, cp, sizeof(ionext->b)); pushio(); ionext->link = iostack; iostack = ionext; |