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https://github.com/torvalds/linux
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3b7c5e8adf
The next changes will provide a couple of tools using some common functions provided by this library. It provides basic wrappers for: - mainloop - logging - timestamp Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Tested-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://lore.kernel.org/r/20220420160933.347088-3-daniel.lezcano@linaro.org
78 lines
1.3 KiB
C
78 lines
1.3 KiB
C
// SPDX-License-Identifier: LGPL-2.1+
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// Copyright (C) 2022, Linaro Ltd - Daniel Lezcano <daniel.lezcano@linaro.org>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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#include "log.h"
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static const char *__ident = "unknown";
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static int __options;
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static const char * const loglvl[] = {
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[LOG_DEBUG] = "DEBUG",
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[LOG_INFO] = "INFO",
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[LOG_NOTICE] = "NOTICE",
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[LOG_WARNING] = "WARN",
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[LOG_ERR] = "ERROR",
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[LOG_CRIT] = "CRITICAL",
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[LOG_ALERT] = "ALERT",
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[LOG_EMERG] = "EMERG",
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};
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int log_str2level(const char *lvl)
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{
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int i;
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for (i = 0; i < sizeof(loglvl) / sizeof(loglvl[LOG_DEBUG]); i++)
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if (!strcmp(lvl, loglvl[i]))
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return i;
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return LOG_DEBUG;
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}
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extern void logit(int level, const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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if (__options & TO_SYSLOG)
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vsyslog(level, format, args);
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if (__options & TO_STDERR)
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vfprintf(stderr, format, args);
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if (__options & TO_STDOUT)
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vfprintf(stdout, format, args);
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va_end(args);
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}
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int log_init(int level, const char *ident, int options)
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{
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if (!options)
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return -1;
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if (level > LOG_DEBUG)
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return -1;
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if (!ident)
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return -1;
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__ident = ident;
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__options = options;
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if (options & TO_SYSLOG) {
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openlog(__ident, options | LOG_NDELAY, LOG_USER);
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setlogmask(LOG_UPTO(level));
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}
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return 0;
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}
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void log_exit(void)
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{
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closelog();
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}
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