1、【删除】日志输出的结束符'\0'。

Signed-off-by: armink <armink.ztl@gmail.com>

demo/os/rt-thread/components/easylogger/port/elog_port.c

@@ -16,7 +16,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
- * Function: Portable interface for each platform.
+ * Function: Portable interface for RT-Thread.
  * Created on: 2015-04-28
  */
 
@@ -44,7 +44,7 @@ ElogErrCode elog_port_init(void) {
  */
 void elog_port_output(const char *output, size_t size) {
     /* output to terminal */
-    rt_kprintf("%s", output);
+    rt_kprintf("%.*s", size, output);
     //TODO output to flash
 }
 

easylogger/inc/elog.h

@@ -47,7 +47,7 @@
 /* output filter's keyword max length */
 #define ELOG_FILTER_KW_MAX_LEN               16
 /* EasyLogger software version number */
-#define ELOG_SW_VERSION                      "0.05.10"
+#define ELOG_SW_VERSION                      "0.05.15"
 
 /* EasyLogger assert for developer. */
 #define ELOG_ASSERT(EXPR)                                                   \

easylogger/src/elog.c

@@ -240,8 +240,8 @@ void elog_output(uint8_t level, const char *tag, const char *file, const char *f
         log_len += elog_strcpy(log_len, log_buf + log_len, tag);
         /* if the tag length is less than 50% ELOG_FILTER_TAG_MAX_LEN, then fill space */
         if (tag_len <= ELOG_FILTER_TAG_MAX_LEN / 2) {
-             memset(tag_sapce, ' ', ELOG_FILTER_TAG_MAX_LEN / 2 - tag_len);
+            memset(tag_sapce, ' ', ELOG_FILTER_TAG_MAX_LEN / 2 - tag_len);
-             log_len += elog_strcpy(log_len, log_buf + log_len, tag_sapce);
+            log_len += elog_strcpy(log_len, log_buf + log_len, tag_sapce);
         }
         log_len += elog_strcpy(log_len, log_buf + log_len, " ");
     }
@@ -303,8 +303,8 @@ void elog_output(uint8_t level, const char *tag, const char *file, const char *f
         log_len += elog_strcpy(log_len, log_buf + log_len, ": ");
     }
 
-    /* package other log data to buffer. CRLF length is 2. */
+    /* package other log data to buffer. CRLF length is 2. '\0' must be add in the end. */
-    fmt_result = vsnprintf(log_buf + log_len, ELOG_BUF_SIZE - log_len - 2, format, args);
+    fmt_result = vsnprintf(log_buf + log_len, ELOG_BUF_SIZE - log_len - 2 + 1, format, args);
 
     va_end(args);
 
@@ -316,20 +316,16 @@ void elog_output(uint8_t level, const char *tag, const char *file, const char *f
         return;
     }
 
-    /* package end sign( CRLF and '\0' ) */
+    /* package CRLF */
-    if ((fmt_result > -1) && (fmt_result + log_len + 2 < ELOG_BUF_SIZE)) {
+    if ((fmt_result > -1) && (fmt_result + log_len + 2 <= ELOG_BUF_SIZE)) {
         log_len += fmt_result;
-        /* add CRLF */
+        /* add CRLF, cut the '\0' */
         log_len += elog_strcpy(log_len, log_buf + log_len, "\r\n");
-        /* add '\0' */
-        log_buf[log_len++] = '\0';
 
     } else {
         /* add CRLF */
-        log_buf[ELOG_BUF_SIZE - 3] = '\r';
+        log_buf[ELOG_BUF_SIZE - 2] = '\r';
-        log_buf[ELOG_BUF_SIZE - 2] = '\n';
+        log_buf[ELOG_BUF_SIZE - 1] = '\n';
-        /* add log end sign */
-        log_buf[ELOG_BUF_SIZE - 1] = '\0';
     }
 
     /* output log */

easylogger/src/elog_utils.c

@@ -35,7 +35,7 @@ size_t elog_strcpy(size_t cur_len, char *dst, const char *src) {
     const char *src_old = src;
     while (*src != 0) {
         /* make sure destination has enough space */
-        if (cur_len++ < ELOG_BUF_SIZE) {
+        if (cur_len++ <= ELOG_BUF_SIZE) {
             *dst++ = *src++;
         } else {
             break;