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mdbx: add getenv_bool() and fetching debug-options from the process environment.

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Леонид Юрьев (Leonid Yuriev)
2025-10-14 23:48:58 +03:00
parent 0d9b59dda1
commit 8b2aa9fb65
4 changed files with 77 additions and 25 deletions
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23
src/global.c
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@@ -176,8 +176,29 @@ __cold static __attribute__((__destructor__)) void mdbx_global_destructor(void)
struct libmdbx_globals globals;
static bool getenv_bool(const char *name, bool default_value) {
const char *value = osal_getenv(name, false);
if (value) {
if (*value == 0 /* implied ON */)
return true;
if (strcasecmp(value, "yes") == 0 || strcasecmp(value, "on") == 0 || strcasecmp(value, "true") == 0 ||
strcasecmp(value, "1") == 0)
return true;
if (strcasecmp(value, "no") == 0 || strcasecmp(value, "off") == 0 || strcasecmp(value, "false") == 0 ||
strcasecmp(value, "0") == 0)
return false;
}
return default_value;
}
__cold static void mdbx_init(void) {
globals.runtime_flags = ((MDBX_DEBUG) > 0) * MDBX_DBG_ASSERT + ((MDBX_DEBUG) > 1) * MDBX_DBG_AUDIT;
globals.runtime_flags = (getenv_bool("MDBX_DBG_ASSERT", (MDBX_DEBUG) > 0) ? MDBX_DBG_ASSERT : 0) |
(getenv_bool("MDBX_DBG_AUDIT", (MDBX_DEBUG) > 1) ? MDBX_DBG_AUDIT : 0) |
(getenv_bool("MDBX_DBG_JITTER", false) ? MDBX_DBG_JITTER : 0) |
(getenv_bool("MDBX_DBG_DUMP", false) ? MDBX_DBG_DUMP : 0) |
(getenv_bool("MDBX_DBG_LEGACY_MULTIOPEN", false) ? MDBX_DBG_LEGACY_MULTIOPEN : 0) |
(getenv_bool("MDBX_DBG_LEGACY_OVERLAP", false) ? MDBX_DBG_LEGACY_OVERLAP : 0) |
(getenv_bool("MDBX_DBG_DONT_UPGRADE", false) ? MDBX_DBG_DONT_UPGRADE : 0);
globals.loglevel = MDBX_LOG_FATAL;
ENSURE(nullptr, osal_fastmutex_init(&globals.debug_lock) == 0);
osal_ctor();