147 lines
3.1 KiB
C
147 lines
3.1 KiB
C
/*
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* This file is part of the sigrok project.
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*
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* Copyright (C) 2011 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include "sigrok.h"
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#include "sigrok-internal.h"
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static int sr_loglevel = SR_LOG_WARN; /* Show errors+warnings per default. */
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/**
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* Set the libsigrok loglevel.
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*
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* This influences the amount of log messages (debug messages, error messages,
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* and so on) libsigrok will output. Using SR_LOG_NONE disables all messages.
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*
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* @param loglevel The loglevel to set (SR_LOG_NONE, SR_LOG_ERR, SR_LOG_WARN,
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* SR_LOG_INFO, SR_LOG_DBG, or SR_LOG_SPEW).
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* @return SR_OK upon success, SR_ERR_ARG upon invalid loglevel.
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*/
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SR_API int sr_set_loglevel(int loglevel)
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{
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if (loglevel < SR_LOG_NONE || loglevel > SR_LOG_SPEW) {
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sr_err("log: %s: invalid loglevel %d", __func__, loglevel);
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return SR_ERR_ARG;
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}
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sr_loglevel = loglevel;
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sr_dbg("log: %s: libsigrok loglevel set to %d", __func__, loglevel);
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return SR_OK;
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}
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/**
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* Get the libsigrok loglevel.
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*
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* @return The currently configured libsigrok loglevel.
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*/
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SR_API int sr_get_loglevel(void)
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{
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return sr_loglevel;
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}
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static int sr_logv(int loglevel, const char *format, va_list args)
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{
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int ret;
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/* Only output messages of at least the selected loglevel(s). */
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if (loglevel > sr_loglevel)
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return SR_OK; /* TODO? */
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ret = vfprintf(stderr, format, args);
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fprintf(stderr, "\n");
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return ret;
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}
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SR_PRIV int sr_log(int loglevel, const char *format, ...)
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{
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int ret;
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va_list args;
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va_start(args, format);
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ret = sr_logv(loglevel, format, args);
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va_end(args);
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return ret;
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}
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SR_PRIV int sr_spew(const char *format, ...)
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{
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int ret;
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va_list args;
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va_start(args, format);
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ret = sr_logv(SR_LOG_SPEW, format, args);
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va_end(args);
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return ret;
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}
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SR_PRIV int sr_dbg(const char *format, ...)
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{
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int ret;
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va_list args;
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va_start(args, format);
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ret = sr_logv(SR_LOG_DBG, format, args);
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va_end(args);
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return ret;
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}
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SR_PRIV int sr_info(const char *format, ...)
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{
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int ret;
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va_list args;
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va_start(args, format);
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ret = sr_logv(SR_LOG_INFO, format, args);
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va_end(args);
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return ret;
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}
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SR_PRIV int sr_warn(const char *format, ...)
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{
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int ret;
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va_list args;
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va_start(args, format);
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ret = sr_logv(SR_LOG_WARN, format, args);
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va_end(args);
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return ret;
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}
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SR_PRIV int sr_err(const char *format, ...)
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{
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int ret;
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va_list args;
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va_start(args, format);
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ret = sr_logv(SR_LOG_ERR, format, args);
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va_end(args);
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return ret;
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}
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