Skip to content

It's UB to have a call to va_start without a corresponding call to va_end #51

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

It's UB to have a call to va_start without a corresponding call to va_end #51

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions tokenize.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ void error(char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
exit(1);
}
Expand Down Expand Up @@ -58,13 +59,15 @@ void error_at(char *loc, char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
verror_at(current_file->name, current_file->contents, line_no, loc, fmt, ap);
va_end(ap);
exit(1);
}

void error_tok(Token *tok, char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
verror_at(tok->file->name, tok->file->contents, tok->line_no, tok->loc, fmt, ap);
va_end(ap);
exit(1);
}

Expand Down