commit 1b619a627ca1ee11d1680dc56e90e9fc1af2ddb5 Author: Nick Mathewson nickm@torproject.org Date: Mon Dec 16 15:14:13 2019 -0500

Use CHECK_PRINTF() for printf-like functions in util_bug.h --- changes/ticket32765 | 4 ++++ src/lib/log/util_bug.h | 6 ++++-- 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/changes/ticket32765 b/changes/ticket32765 new file mode 100644 index 000000000..a9663a5df --- /dev/null +++ b/changes/ticket32765 @@ -0,0 +1,4 @@ + o Minor bugfixes (correctness checks): + - Use GCC/Clang's printf-checking feature to make sure that + tor_assertf() arguments are correctly typed. Fixes bug 32765; + bugfix on 0.4.1.1-alpha. diff --git a/src/lib/log/util_bug.h b/src/lib/log/util_bug.h index 546ae1e3e..993a4e3ab 100644 --- a/src/lib/log/util_bug.h +++ b/src/lib/log/util_bug.h @@ -242,10 +242,12 @@

void tor_assertion_failed_(const char *fname, unsigned int line, const char *func, const char *expr, - const char *fmt, ...); + const char *fmt, ...) + CHECK_PRINTF(5,6); void tor_bug_occurred_(const char *fname, unsigned int line, const char *func, const char *expr, - int once, const char *fmt, ...); + int once, const char *fmt, ...) + CHECK_PRINTF(6,7);

void tor_abort_(void) ATTR_NORETURN;