X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=log.c;h=228f3cc4d72b01a59d6b7da6a1d42a8ae6b3ba6e;hb=9fb5f2dfa6bcded8082677ed3b915ff6b880cfab;hp=e981c852aa285055bf7a59e84e9d7ee50502f67e;hpb=1f9813eb6cf2fa3b6511af46b19270feb9484c1e;p=libsigrok.git diff --git a/log.c b/log.c index e981c852..228f3cc4 100644 --- a/log.c +++ b/log.c @@ -20,8 +20,22 @@ #include #include -#include "sigrok.h" -#include "sigrok-internal.h" +#include "libsigrok.h" +#include "libsigrok-internal.h" + +/** + * @file + * + * Controlling the libsigrok message logging functionality. + */ + +/** + * @defgroup grp_logging Logging + * + * Controlling the libsigrok message logging functionality. + * + * @{ + */ /* Currently selected libsigrok loglevel. Default: SR_LOG_WARN. */ static int sr_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */ @@ -30,18 +44,20 @@ static int sr_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */ static int sr_logv(void *cb_data, int loglevel, const char *format, va_list args); -/* Pointer to the currently selected log handler. Default: sr_logv(). */ -static sr_log_handler_t sr_log_handler = sr_logv; +/* Pointer to the currently selected log callback. Default: sr_logv(). */ +static sr_log_callback_t sr_log_callback = sr_logv; /* - * Pointer to private data that can be passed to the log handler. + * Pointer to private data that can be passed to the log callback. * This can be used (for example) by C++ GUIs to pass a "this" pointer. */ -static void *sr_log_handler_data = NULL; +static void *sr_log_callback_data = NULL; /* Log domain (a short string that is used as prefix for all messages). */ +/** @cond PRIVATE */ #define LOGDOMAIN_MAXLEN 30 #define LOGDOMAIN_DEFAULT "sr: " +/** @endcond */ static char sr_log_domain[LOGDOMAIN_MAXLEN + 1] = LOGDOMAIN_DEFAULT; /** @@ -58,6 +74,8 @@ static char sr_log_domain[LOGDOMAIN_MAXLEN + 1] = LOGDOMAIN_DEFAULT; * SR_LOG_INFO, SR_LOG_DBG, or SR_LOG_SPEW). * * @return SR_OK upon success, SR_ERR_ARG upon invalid loglevel. + * + * @since 0.1.0 */ SR_API int sr_log_loglevel_set(int loglevel) { @@ -77,6 +95,8 @@ SR_API int sr_log_loglevel_set(int loglevel) * Get the libsigrok loglevel. * * @return The currently configured libsigrok loglevel. + * + * @since 0.1.0 */ SR_API int sr_log_loglevel_get(void) { @@ -96,6 +116,8 @@ SR_API int sr_log_loglevel_get(void) * the caller does not need to keep it around. * * @return SR_OK upon success, SR_ERR_ARG upon invalid logdomain. + * + * @since 0.1.0 */ SR_API int sr_log_logdomain_set(const char *logdomain) { @@ -118,6 +140,8 @@ SR_API int sr_log_logdomain_set(const char *logdomain) * @return A copy of the currently configured libsigrok logdomain * string. The caller is responsible for g_free()ing the string when * it is no longer needed. + * + * @since 0.1.0 */ SR_API char *sr_log_logdomain_get(void) { @@ -125,10 +149,10 @@ SR_API char *sr_log_logdomain_get(void) } /** - * Set the libsigrok log handler to the specified function. + * Set the libsigrok log callback to the specified function. * - * @param handler Function pointer to the log handler function to use. - * Must not be NULL. + * @param cb Function pointer to the log callback function to use. + * Must not be NULL. * @param cb_data Pointer to private data to be passed on. This can be used by * the caller to pass arbitrary data to the log functions. This * pointer is only stored or passed on by libsigrok, and is @@ -136,37 +160,41 @@ SR_API char *sr_log_logdomain_get(void) * to be NULL if the caller doesn't need/want to pass any data. * * @return SR_OK upon success, SR_ERR_ARG upon invalid arguments. + * + * @since 0.1.0 */ -SR_API int sr_log_handler_set(sr_log_handler_t handler, void *cb_data) +SR_API int sr_log_callback_set(sr_log_callback_t cb, void *cb_data) { - if (!handler) { - sr_err("log: %s: handler was NULL", __func__); + if (!cb) { + sr_err("log: %s: cb was NULL", __func__); return SR_ERR_ARG; } /* Note: 'cb_data' is allowed to be NULL. */ - sr_log_handler = handler; - sr_log_handler_data = cb_data; + sr_log_callback = cb; + sr_log_callback_data = cb_data; return SR_OK; } /** - * Set the libsigrok log handler to the default built-in one. + * Set the libsigrok log callback to the default built-in one. * - * Additionally, the internal 'sr_log_handler_data' pointer is set to NULL. + * Additionally, the internal 'sr_log_callback_data' pointer is set to NULL. * * @return SR_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ -SR_API int sr_log_handler_set_default(void) +SR_API int sr_log_callback_set_default(void) { /* * Note: No log output in this function, as it should safely work - * even if the currently set log handler is buggy/broken. + * even if the currently set log callback is buggy/broken. */ - sr_log_handler = sr_logv; - sr_log_handler_data = NULL; + sr_log_callback = sr_logv; + sr_log_callback_data = NULL; return SR_OK; } @@ -175,7 +203,7 @@ static int sr_logv(void *cb_data, int loglevel, const char *format, va_list args { int ret; - /* This specific log handler doesn't need the void pointer data. */ + /* This specific log callback doesn't need the void pointer data. */ (void)cb_data; /* Only output messages of at least the selected loglevel(s). */ @@ -190,74 +218,82 @@ static int sr_logv(void *cb_data, int loglevel, const char *format, va_list args return ret; } +/** @private */ SR_PRIV int sr_log(int loglevel, const char *format, ...) { int ret; va_list args; va_start(args, format); - ret = sr_log_handler(sr_log_handler_data, loglevel, format, args); + ret = sr_log_callback(sr_log_callback_data, loglevel, format, args); va_end(args); return ret; } +/** @private */ SR_PRIV int sr_spew(const char *format, ...) { int ret; va_list args; va_start(args, format); - ret = sr_log_handler(sr_log_handler_data, SR_LOG_SPEW, format, args); + ret = sr_log_callback(sr_log_callback_data, SR_LOG_SPEW, format, args); va_end(args); return ret; } +/** @private */ SR_PRIV int sr_dbg(const char *format, ...) { int ret; va_list args; va_start(args, format); - ret = sr_log_handler(sr_log_handler_data, SR_LOG_DBG, format, args); + ret = sr_log_callback(sr_log_callback_data, SR_LOG_DBG, format, args); va_end(args); return ret; } +/** @private */ SR_PRIV int sr_info(const char *format, ...) { int ret; va_list args; va_start(args, format); - ret = sr_log_handler(sr_log_handler_data, SR_LOG_INFO, format, args); + ret = sr_log_callback(sr_log_callback_data, SR_LOG_INFO, format, args); va_end(args); return ret; } +/** @private */ SR_PRIV int sr_warn(const char *format, ...) { int ret; va_list args; va_start(args, format); - ret = sr_log_handler(sr_log_handler_data, SR_LOG_WARN, format, args); + ret = sr_log_callback(sr_log_callback_data, SR_LOG_WARN, format, args); va_end(args); return ret; } +/** @private */ SR_PRIV int sr_err(const char *format, ...) { int ret; va_list args; va_start(args, format); - ret = sr_log_handler(sr_log_handler_data, SR_LOG_ERR, format, args); + ret = sr_log_callback(sr_log_callback_data, SR_LOG_ERR, format, args); va_end(args); return ret; } + +/** @} */