后台改为zlog实现

zlog/zc_profile.c

@@ -0,0 +1,86 @@
+/*
+ * This file is part of the zlog Library.
+ *
+ * Copyright (C) 2011 by Hardy Simpson <HardySimpson1984@gmail.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING in base directory.
+ */
+
+#include "fmacros.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <time.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "zc_profile.h"
+#include "zc_xplatform.h"
+
+static void zc_time(char *time_str, size_t time_str_size)
+{
+	time_t tt;
+	struct tm local_time;
+
+	time(&tt);
+	localtime_r(&tt, &local_time);
+	strftime(time_str, time_str_size, "%m-%d %T", &local_time);
+
+	return;
+}
+
+int zc_profile_inner(int flag, const char *file, const long line, const char *fmt, ...)
+{
+	va_list args;
+	char time_str[20 + 1];
+	FILE *fp = NULL;
+
+	static char *debug_log = NULL;
+	static char *error_log = NULL;
+	static size_t init_flag = 0;
+
+	if (!init_flag) {
+		init_flag = 1;
+		debug_log = getenv("ZLOG_PROFILE_DEBUG");
+		error_log = getenv("ZLOG_PROFILE_ERROR");
+	}
+
+	switch (flag) {
+	case ZC_DEBUG:
+ 		if (debug_log == NULL) return 0;
+		fp = fopen(debug_log, "a");
+		if (!fp) return -1;
+		zc_time(time_str, sizeof(time_str));
+		fprintf(fp, "%s DEBUG (%d:%s:%ld) ", time_str, getpid(), file, line);
+		break;
+	case ZC_WARN:
+ 		if (error_log == NULL) return 0;
+		fp = fopen(error_log, "a");
+		if (!fp) return -1;
+		zc_time(time_str, sizeof(time_str));
+		fprintf(fp, "%s WARN  (%d:%s:%ld) ", time_str, getpid(), file, line);
+		break;
+	case ZC_ERROR:
+ 		if (error_log == NULL) return 0;
+		fp = fopen(error_log, "a");
+		if (!fp) return -1;
+		zc_time(time_str, sizeof(time_str));
+		fprintf(fp, "%s ERROR (%d:%s:%ld) ", time_str, getpid(), file, line);
+		break;
+	}
+
+	/* writing file twice(time & msg) is not atomic
+	 * may cause cross
+	 * but avoid log size limit */
+	va_start(args, fmt);
+	vfprintf(fp, fmt, args);
+	va_end(args);
+	fprintf(fp, "\n");
+
+	fclose(fp);
+	return 0;
+}
+