Manpages - libalpm_log.3

typedef void(* alpm_cb_log) (void ctx, *alpm_loglevel_t level, const char *fmt, va_list args)
The callback type for logging.

enum alpm_loglevel_t { ALPM_LOG_ERROR = 1, ALPM_LOG_WARNING = (1 << 1), ALPM_LOG_DEBUG = (1 << 2), ALPM_LOG_FUNCTION = (1 << 3) }
Logging Levels.

int alpm_logaction (alpm_handle_t *handle, const char *prefix, const char *fmt,…) __attribute__((format(printf
A printf-like function for logging.

const char fmt, va_list args) The callback type for logging. libalpm will call this function whenever something is to be logged. many libalpm will produce log output. Additionally any calls to *alpm_logaction will also call this callback.

Parameters

ctx user-provided context
level the currently set loglevel
fmt the printf like format string
args printf like arguments

Logging Levels.

Enumerator

/ALPM_LOG_ERROR /

Error.

/ALPM_LOG_WARNING /

Warning.

/ALPM_LOG_DEBUG /

Debug.

/ALPM_LOG_FUNCTION /

Function.

const char * fmt, …)/ A printf-like function for logging.

Parameters

/handle the context handle /
/prefix caller-specific prefix for the log /
/fmt output format /

Returns

0 on success, -1 on error (pm_errno is set accordingly)