diff options
Diffstat (limited to 'src/nvim/assert.h')
| -rw-r--r-- | src/nvim/assert.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/nvim/assert.h b/src/nvim/assert.h index 29195a49dc..db21bed0e2 100644 --- a/src/nvim/assert.h +++ b/src/nvim/assert.h @@ -1,6 +1,8 @@ #ifndef NVIM_ASSERT_H #define NVIM_ASSERT_H +#include "auto/config.h" + // support static asserts (aka compile-time asserts) // some compilers don't properly support short-circuiting apparently, giving @@ -133,9 +135,14 @@ /// /// @param MAX Maximum value of the narrowest type of operand. /// Not used if compiler supports __builtin_add_overflow. -#if HAVE_BUILTIN_ADD_OVERFLOW +#ifdef HAVE_BUILTIN_ADD_OVERFLOW # define STRICT_ADD(a, b, c, t) \ - do { if (__builtin_add_overflow(a, b, c)) { abort(); } } while (0) + do { \ + if (__builtin_add_overflow(a, b, c)) { \ + ELOG("STRICT_ADD overflow"); \ + abort(); \ + } \ + } while (0) #else # define STRICT_ADD(a, b, c, t) \ do { *(c) = (t)(a + b); } while (0) @@ -143,9 +150,14 @@ /// @def STRICT_SUB /// @brief Subtracts (a - b) and stores result in `c`. Aborts on overflow. -#if HAVE_BUILTIN_ADD_OVERFLOW +#ifdef HAVE_BUILTIN_ADD_OVERFLOW # define STRICT_SUB(a, b, c, t) \ - do { if (__builtin_sub_overflow(a, b, c)) { abort(); } } while (0) + do { \ + if (__builtin_sub_overflow(a, b, c)) { \ + ELOG("STRICT_SUB overflow"); \ + abort(); \ + } \ + } while (0) #else # define STRICT_SUB(a, b, c, t) \ do { *(c) = (t)(a - b); } while (0) |