87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
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/*
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* This file is part of the zlog Library.
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*
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* Copyright (C) 2011 by Hardy Simpson <HardySimpson1984@gmail.com>
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*
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* Licensed under the LGPL v2.1, see the file COPYING in base directory.
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*/
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#include "fmacros.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "zc_profile.h"
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#include "zc_xplatform.h"
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static void zc_time(char *time_str, size_t time_str_size)
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{
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time_t tt;
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struct tm local_time;
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time(&tt);
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localtime_r(&tt, &local_time);
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strftime(time_str, time_str_size, "%m-%d %T", &local_time);
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return;
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}
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int zc_profile_inner(int flag, const char *file, const long line, const char *fmt, ...)
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{
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va_list args;
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char time_str[20 + 1];
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FILE *fp = NULL;
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static char *debug_log = NULL;
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static char *error_log = NULL;
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static size_t init_flag = 0;
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if (!init_flag) {
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init_flag = 1;
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debug_log = getenv("ZLOG_PROFILE_DEBUG");
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error_log = getenv("ZLOG_PROFILE_ERROR");
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}
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switch (flag) {
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case ZC_DEBUG:
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if (debug_log == NULL) return 0;
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fp = fopen(debug_log, "a");
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if (!fp) return -1;
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zc_time(time_str, sizeof(time_str));
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fprintf(fp, "%s DEBUG (%d:%s:%ld) ", time_str, getpid(), file, line);
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break;
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case ZC_WARN:
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if (error_log == NULL) return 0;
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fp = fopen(error_log, "a");
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if (!fp) return -1;
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zc_time(time_str, sizeof(time_str));
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fprintf(fp, "%s WARN (%d:%s:%ld) ", time_str, getpid(), file, line);
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break;
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case ZC_ERROR:
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if (error_log == NULL) return 0;
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fp = fopen(error_log, "a");
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if (!fp) return -1;
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zc_time(time_str, sizeof(time_str));
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fprintf(fp, "%s ERROR (%d:%s:%ld) ", time_str, getpid(), file, line);
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break;
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}
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/* writing file twice(time & msg) is not atomic
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* may cause cross
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* but avoid log size limit */
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va_start(args, fmt);
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vfprintf(fp, fmt, args);
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va_end(args);
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fprintf(fp, "\n");
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fclose(fp);
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return 0;
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}
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