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| author | Jari Vetoniemi <mailroxas@gmail.com> | 2018-11-01 03:51:09 +0200 |
|---|---|---|
| committer | Jari Vetoniemi <mailroxas@gmail.com> | 2018-11-01 03:51:09 +0200 |
| commit | 2412048fc02d00341f735e2b4e3a6b2ccb17a6b8 (patch) | |
| tree | 3e6b26dcf3f4f82cf39aaa95281d0bbd6dfbaccf | |
| parent | 923e6f40a3b41b1af91940c6f738523320a1b0d2 (diff) | |
hide all logging under ASOUND_DEBUG env variable
| -rw-r--r-- | src/util/util.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/util/util.h b/src/util/util.h index 9e118c2..67c47e0 100644 --- a/src/util/util.h +++ b/src/util/util.h @@ -5,10 +5,21 @@ #include <stddef.h> #include <err.h> -#define WARN1(x) do { warn("asound: %s %s", __func__, x); } while (0) -#define WARN(x, ...) do { warn("asound: %s " x, __func__, ##__VA_ARGS__); } while (0) -#define WARNX1(x) do { warnx("asound: %s %s", __func__, x); } while (0) -#define WARNX(x, ...) do { warnx("asound: %s " x, __func__, ##__VA_ARGS__); } while (0) +static inline int +do_debug(void) +{ + static int debug = -1; + if (debug == -1) { + const char *env = getenv("ASOUND_DEBUG"); + debug = (env && !!strcmp(env, "0")); + } + return debug; +} + +#define WARN1(x) do { if (do_debug()) warn("asound: %s %s", __func__, x); } while(0) +#define WARN(x, ...) do { if (do_debug()) warn("asound: %s " x, __func__, ##__VA_ARGS__); } while (0) +#define WARNX1(x) do { if (do_debug()) warnx("asound: %s %s", __func__, x); } while (0) +#define WARNX(x, ...) do { if (do_debug()) warnx("asound: %s " x, __func__, ##__VA_ARGS__); } while (0) #define ERRX1(x, y) do { errx(x, "asound: %s %s", __func__, y); } while (0) #define ERRX(x, y, ...) do { errx(x, "asound: %s " y, __func__, ##__VA_ARGS__); } while (0) #define ERR(x, y, ...) do { err(x, "asound: %s " y, __func__, ##__VA_ARGS__); } while (0) |