--- lbbs/src/str_process.c	2025/05/15 14:17:53	1.8
+++ lbbs/src/str_process.c	2025/06/13 10:52:07	1.13
@@ -25,23 +25,17 @@ int split_line(const char *buffer, int m
 	int i;
 	*p_eol = 0;
 	*p_display_len = 0;
+	char c;
 
 	for (i = 0; buffer[i] != '\0'; i++)
 	{
-		char c = buffer[i];
+		c = buffer[i];
 
 		if (c == '\r' || c == '\7') // skip
 		{
 			continue;
 		}
 
-		if (c == '\n')
-		{
-			i++;
-			*p_eol = 1;
-			break;
-		}
-
 		if (c == '\033' && buffer[i + 1] == '[') // Skip control sequence
 		{
 			i += 2;
@@ -52,65 +46,60 @@ int split_line(const char *buffer, int m
 			continue;
 		}
 
-		if (c > 127 && c <= 255) // GBK chinese character
+		if (c < 0 || c > 127) // GBK chinese character
 		{
 			if (*p_display_len + 2 > max_display_len)
 			{
-				*p_eol = 1;
 				break;
 			}
 			i++;
-			*p_display_len += 2;
+			(*p_display_len) += 2;
 		}
 		else
 		{
 			if (*p_display_len + 1 > max_display_len)
 			{
-				*p_eol = 1;
 				break;
 			}
 			(*p_display_len)++;
+
+			 // \n is regarded as 1 character wide in terminal editor, which is different from Web version
+			if (c == '\n')
+			{
+				i++;
+				*p_eol = 1;
+				break;
+			}
 		}
 	}
 
 	return i;
 }
 
-int split_data_lines(const char *p_buf, int max_display_len, long *p_line_offsets, int max_line_cnt)
+long split_data_lines(const char *p_buf, int max_display_len, long *p_line_offsets, long line_offsets_count)
 {
 	int line_cnt = 0;
-	int len = 0;
+	int len;
 	int end_of_line = 0;
 	int display_len = 0;
 
 	p_line_offsets[line_cnt] = 0L;
 
-	while (1)
+	do
 	{
 		len = split_line(p_buf, max_display_len, &end_of_line, &display_len);
 
-		if (len == 0 || !end_of_line) // !end_of_line == EOF
-		{
-			break;
-		}
-
 		// Exceed max_line_cnt
-		if (line_cnt + 1 >= max_line_cnt)
+		if (line_cnt + 1 >= line_offsets_count)
 		{
-			log_error("File line count %d reaches limit\n", line_cnt + 1);
+			log_error("Line count %d reaches limit %d\n", line_cnt + 1, line_offsets_count);
 			return line_cnt;
 		}
 
 		p_line_offsets[line_cnt + 1] = p_line_offsets[line_cnt] + len;
 		line_cnt++;
 		p_buf += len;
-	}
-
-	if (len > 0 && line_cnt + 1 < max_line_cnt)
-	{
-		p_line_offsets[line_cnt + 1] = p_line_offsets[line_cnt] + len;
-		line_cnt++;
-	}
+	} while (p_buf[0] != '\0');
 
 	return line_cnt;
 }