102 lines
1.9 KiB
C
102 lines
1.9 KiB
C
/******************************************************************************
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*
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* Copyright (c) 2017-2019 by Löwenware Ltd
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* Please, refer LICENSE file for legal information
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*
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******************************************************************************/
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/**
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* @file log.c
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* @author Ilja Kartašov <ik@lowenware.com>
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* @brief cStuff log module source file
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*
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* @see https://lowenware.com/
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*/
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#include <time.h>
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#include "log.h"
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void
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cstuff_log_init(cstuff_log_t self, uint8_t level)
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{
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self->target = stderr;
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self->level = level;
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}
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void
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cstuff_log_release(cstuff_log_t self)
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{
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if (self->target != stderr)
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fclose(self->target);
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}
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cstuff_retcode_t
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cstuff_log_set_file(cstuff_log_t self, const char * filename)
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{
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FILE * fp;
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if ( !(fp = fopen(filename, "a")) )
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return CSTUFF_SYSCALL_ERROR;
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self->target = fp;
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return CSTUFF_SUCCESS;
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}
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int
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cstuff_log_printf(cstuff_log_t self, uint8_t level, const char * format, ...)
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{
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int result;
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va_list vl;
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va_start(vl, format);
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result = cstuff_log_vprintf(self, level, format, vl);
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va_end(vl);
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return result;
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}
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int
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cstuff_log_vprintf(cstuff_log_t self,
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uint8_t level,
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const char * format,
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va_list vl)
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{
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int result;
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if (self->level & level)
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{
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FILE * f = self->target;
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char * label;
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time_t rawtime;
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char strtime[32+1];
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struct tm timeinfo;
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time (&rawtime);
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localtime_r (&rawtime, &timeinfo);
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strftime (strtime, 32, "%F %T", &timeinfo);
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switch (level)
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{
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case CSTUFF_LOG_ERROR : label = "!!"; break;
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case CSTUFF_LOG_ALERT : label = "~!"; break;
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case CSTUFF_LOG_DEBUG : label = "**"; break;
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default : label = "--";
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}
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result = fprintf(f, "%s %s ", strtime, label);
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result += vfprintf(f, format, vl);
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fputc('\n', f);
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result++;
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fflush(f);
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}
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else
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result = 0;
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return result;
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}
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