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mdbx: устранение "may be used uninitialized" предупреждений в LTO-сбрках из-за усложнения SSA/CTF вследствие добавления LOG_IFERR().

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2024-11-27 18:26:24 +03:00
parent 28bd805ed8
commit 81a8127084
6 changed files with 75 additions and 35 deletions
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21
src/logging_and_debug.h
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@@ -161,8 +161,25 @@ MDBX_INTERNAL const char *pagetype_caption(const uint8_t type,
MDBX_INTERNAL int log_error(const int err, const char *func, unsigned line);
static inline int log_if_error(int err, const char *func, unsigned line) {
return likely(err == MDBX_SUCCESS) ? err : log_error(err, func, line);
static inline int log_if_error(const int err, const char *func, unsigned line) {
if (likely(err == MDBX_SUCCESS))
return err;
int rc = log_error(err, func, line);
#if __has_c_attribute(assume)
[[assume(rc == err && rc != MDBX_SUCCESS)]];
#endif
#if defined(__clang__) || __has_builtin(assume)
__builtin_assume(rc == err && rc != MDBX_SUCCESS);
#endif
if (rc != err || rc == MDBX_SUCCESS) {
#if defined(__GNUC__)
__builtin_unreachable();
#elif defined(_MSC_VER) && !defined(__clang__)
__assume(0);
#endif
rc = err;
}
return rc;
}
#define LOG_IFERR(err) log_if_error((err), __func__, __LINE__)