X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=log.c;h=459a5c10be9023ad2422a4c35a015abfd79f95ee;hp=49a18eb8eb925ec7f6b4b65a6b980ea860f8ff81;hb=a27981c145cd9a3709673339dc455f3a0d5c3745;hpb=8c664ca2d7b4faffa7b3dbeb3b9e491976c24eee diff --git a/log.c b/log.c index 49a18eb..459a5c1 100644 --- a/log.c +++ b/log.c @@ -14,14 +14,15 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * along with this program; if not, see . */ -#include "sigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */ -#include "sigrokdecode-internal.h" +#include +#include "libsigrokdecode-internal.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */ +#include "libsigrokdecode.h" #include #include +#include /** * @file @@ -38,27 +39,20 @@ */ /* Currently selected libsigrokdecode loglevel. Default: SRD_LOG_WARN. */ -static int srd_loglevel = SRD_LOG_WARN; /* Show errors+warnings per default. */ +static int cur_loglevel = SRD_LOG_WARN; /* Show errors+warnings per default. */ /* Function prototype. */ static int srd_logv(void *cb_data, int loglevel, const char *format, va_list args); /* Pointer to the currently selected log callback. Default: srd_logv(). */ -static srd_log_callback_t srd_log_callback = srd_logv; +static srd_log_callback srd_log_cb = srd_logv; /* * 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 *srd_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 "srd: " -/** @endcond */ -static char srd_log_domain[LOGDOMAIN_MAXLEN + 1] = LOGDOMAIN_DEFAULT; +static void *srd_log_cb_data = NULL; /** * Set the libsigrokdecode loglevel. @@ -85,7 +79,7 @@ SRD_API int srd_log_loglevel_set(int loglevel) return SRD_ERR_ARG; } - srd_loglevel = loglevel; + cur_loglevel = loglevel; srd_dbg("libsigrokdecode loglevel set to %d.", loglevel); @@ -101,52 +95,7 @@ SRD_API int srd_log_loglevel_set(int loglevel) */ SRD_API int srd_log_loglevel_get(void) { - return srd_loglevel; -} - -/** - * Set the libsigrokdecode logdomain string. - * - * @param logdomain The string to use as logdomain for libsigrokdecode log - * messages from now on. Must not be NULL. The maximum - * length of the string is 30 characters (this does not - * include the trailing NUL-byte). Longer strings are - * silently truncated. - * In order to not use a logdomain, pass an empty string. - * The function makes its own copy of the input string, i.e. - * the caller does not need to keep it around. - * - * @return SRD_OK upon success, SRD_ERR_ARG upon invalid logdomain. - * - * @since 0.1.0 - */ -SRD_API int srd_log_logdomain_set(const char *logdomain) -{ - if (!logdomain) { - srd_err("log: %s: logdomain was NULL", __func__); - return SRD_ERR_ARG; - } - - /* TODO: Error handling. */ - snprintf((char *)&srd_log_domain, LOGDOMAIN_MAXLEN, "%s", logdomain); - - srd_dbg("Log domain set to '%s'.", (const char *)&srd_log_domain); - - return SRD_OK; -} - -/** - * Get the currently configured libsigrokdecode logdomain. - * - * @return A copy of the currently configured libsigrokdecode logdomain - * string. The caller is responsible for g_free()ing the string when - * it is no longer needed. - * - * @since 0.1.0 - */ -SRD_API char *srd_log_logdomain_get(void) -{ - return g_strdup((const char *)&srd_log_domain); + return cur_loglevel; } /** @@ -163,9 +112,9 @@ SRD_API char *srd_log_logdomain_get(void) * * @return SRD_OK upon success, SRD_ERR_ARG upon invalid arguments. * - * @since 0.1.0 + * @since 0.3.0 */ -SRD_API int srd_log_callback_set(srd_log_callback_t cb, void *cb_data) +SRD_API int srd_log_callback_set(srd_log_callback cb, void *cb_data) { if (!cb) { srd_err("log: %s: cb was NULL", __func__); @@ -174,8 +123,8 @@ SRD_API int srd_log_callback_set(srd_log_callback_t cb, void *cb_data) /* Note: 'cb_data' is allowed to be NULL. */ - srd_log_callback = cb; - srd_log_callback_data = cb_data; + srd_log_cb = cb; + srd_log_cb_data = cb_data; return SRD_OK; } @@ -183,7 +132,7 @@ SRD_API int srd_log_callback_set(srd_log_callback_t cb, void *cb_data) /** * Set the libsigrokdecode log callback to the default built-in one. * - * Additionally, the internal 'srd_log_callback_data' pointer is set to NULL. + * Additionally, the internal 'srd_log_cb_data' pointer is set to NULL. * * @return SRD_OK upon success, a (negative) error code otherwise. * @@ -195,8 +144,8 @@ SRD_API int srd_log_callback_set_default(void) * Note: No log output in this function, as it should safely work * even if the currently set log callback is buggy/broken. */ - srd_log_callback = srd_logv; - srd_log_callback_data = NULL; + srd_log_cb = srd_logv; + srd_log_cb_data = NULL; return SRD_OK; } @@ -204,101 +153,33 @@ SRD_API int srd_log_callback_set_default(void) static int srd_logv(void *cb_data, int loglevel, const char *format, va_list args) { - int ret; - /* This specific log callback doesn't need the void pointer data. */ (void)cb_data; - /* Only output messages of at least the selected loglevel(s). */ - if (loglevel > srd_loglevel) - return SRD_OK; /* TODO? */ - - if (srd_log_domain[0] != '\0') - fprintf(stderr, "%s", srd_log_domain); - ret = vfprintf(stderr, format, args); - fprintf(stderr, "\n"); - - return ret; -} - -/** @private */ -SRD_PRIV int srd_log(int loglevel, const char *format, ...) -{ - int ret; - va_list args; - - va_start(args, format); - ret = srd_log_callback(srd_log_callback_data, loglevel, format, args); - va_end(args); - - return ret; -} - -/** @private */ -SRD_PRIV int srd_spew(const char *format, ...) -{ - int ret; - va_list args; - - va_start(args, format); - ret = srd_log_callback(srd_log_callback_data, SRD_LOG_SPEW, - format, args); - va_end(args); - - return ret; -} - -/** @private */ -SRD_PRIV int srd_dbg(const char *format, ...) -{ - int ret; - va_list args; + (void)loglevel; - va_start(args, format); - ret = srd_log_callback(srd_log_callback_data, SRD_LOG_DBG, - format, args); - va_end(args); + if (fputs("srd: ", stderr) < 0 + || g_vfprintf(stderr, format, args) < 0 + || putc('\n', stderr) < 0) + return SRD_ERR; - return ret; -} + fflush(stderr); -/** @private */ -SRD_PRIV int srd_info(const char *format, ...) -{ - int ret; - va_list args; - - va_start(args, format); - ret = srd_log_callback(srd_log_callback_data, SRD_LOG_INFO, - format, args); - va_end(args); - - return ret; + return SRD_OK; } /** @private */ -SRD_PRIV int srd_warn(const char *format, ...) +SRD_PRIV int srd_log(int loglevel, const char *format, ...) { int ret; va_list args; - va_start(args, format); - ret = srd_log_callback(srd_log_callback_data, SRD_LOG_WARN, - format, args); - va_end(args); - - return ret; -} - -/** @private */ -SRD_PRIV int srd_err(const char *format, ...) -{ - int ret; - va_list args; + /* Only output messages of at least the selected loglevel(s). */ + if (loglevel > cur_loglevel) + return SRD_OK; va_start(args, format); - ret = srd_log_callback(srd_log_callback_data, SRD_LOG_ERR, - format, args); + ret = srd_log_cb(srd_log_cb_data, loglevel, format, args); va_end(args); return ret;