优化 web_log

TC1/http_server/app_httpd.c

@@ -227,7 +227,7 @@ exit:
 static int HttpGetLog(httpd_request_t *req)
 {
     OSStatus err = kNoErr;
-    char* logs = GetLogRecord(0);
+    char* logs = GetLogRecord();
     send_http(logs, strlen(logs), exit, &err);
 
 exit:

TC1/http_server/web_log.c

@@ -24,11 +24,9 @@ void SetLogRecord(LogRecord* lr, char* log)
     *p_log = log;
 }
 
-char* GetLogRecord(int idx)
+char* GetLogRecord()
 {
-    if (idx > log_record.idx) return "";
-
-    int i = idx > 0 ? idx : (log_record.idx - LOG_NUM + 1);
+    int i = log_record.idx - LOG_NUM + 1;
     i = i < 0 ? 0 : i;
     char* tmp = log_record_str;
     for (; i <= log_record.idx; i++)
@@ -37,6 +35,7 @@ char* GetLogRecord(int idx)
         sprintf(tmp, "%s\n", log_record.logs[i%LOG_NUM]);
         tmp += strlen(tmp);
     }
+    sprintf(tmp, "%d", log_record.idx);
     return log_record_str;
 }
 

TC1/http_server/web_log.h

@@ -19,7 +19,7 @@ extern time_t now;
 extern char time_buf[];
 
 void SetLogRecord(LogRecord* lr, char* log);
-char* GetLogRecord(int idx);
+char* GetLogRecord();
 
 #define web_log(format, ...)                           \
     LOG_TMP = (char*)malloc(sizeof(char)*LOG_LEN);     \