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Support custom environment variables for load_env_levels (#3327)

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SPDLOG_LEVEL is currently supported to control log levels via
load_env_levels.

This patch adds support for other environment variable names, such as
MYAPP_LEVEL, for load_env_levels.
This commit is contained in:
Ken Matsui
2025-01-23 16:00:23 -05:00
committed by GitHub
parent 7cbf2a6967
commit ae1de0dc8c
4 changed files with 17 additions and 2 deletions
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9
tests/test_cfg.cpp
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@@ -19,6 +19,15 @@ TEST_CASE("env", "[cfg]") {
#endif
load_env_levels();
REQUIRE(l1->level() == spdlog::level::warn);
#ifdef CATCH_PLATFORM_WINDOWS
_putenv_s("MYAPP_LEVEL", "l1=trace");
#else
setenv("MYAPP_LEVEL", "l1=trace", 1);
#endif
load_env_levels("MYAPP_LEVEL");
REQUIRE(l1->level() == spdlog::level::trace);
spdlog::set_default_logger(spdlog::create<test_sink_st>("cfg-default"));
REQUIRE(spdlog::default_logger()->level() == spdlog::level::info);
}