--- lbbs/src/article_cache.c	2025/06/01 14:33:50	1.9
+++ lbbs/src/article_cache.c	2025/06/04 13:42:53	1.13
@@ -16,6 +16,7 @@
 
 #include "article_cache.h"
 #include "log.h"
+#include "lml.h"
 #include <errno.h>
 #include <stdio.h>
 #include <fcntl.h>
@@ -28,6 +29,7 @@
 #include <string.h>
 
 #define ARTICLE_HEADER_MAX_LEN 4096
+#define ARTICLE_CONTENT_MAX_LEN 1024 * 1024 * 4 // 4MB
 #define ARTICLE_FOOTER_MAX_LEN 4096
 #define SUB_DT_MAX_LEN 50
 
@@ -66,6 +68,7 @@ int article_cache_generate(const char *c
 	char header[ARTICLE_HEADER_MAX_LEN];
 	size_t header_len;
 	long header_line_cnt;
+	char content_f[ARTICLE_CONTENT_MAX_LEN];
 	char footer[ARTICLE_FOOTER_MAX_LEN];
 	size_t footer_len;
 	long footer_line_cnt;
@@ -115,11 +118,26 @@ int article_cache_generate(const char *c
 	header_len = strnlen(header, sizeof(header));
 	footer_len = strnlen(footer, sizeof(footer));
 
-	cache.data_len = header_len + strlen(content);
-
 	header_line_cnt = split_data_lines(header, SCREEN_COLS, cache.line_offsets, MAX_SPLIT_FILE_LINES);
+
+	if (header_len != cache.line_offsets[header_line_cnt])
+	{
+		log_common("Header of article(aid=%d) is truncated from %ld to %ld\n", p_article->aid, header_len, cache.line_offsets[header_line_cnt]);
+		header_len = (size_t)cache.line_offsets[header_line_cnt];
+	}
+
+	// Apply LML render to content body
+	cache.data_len = header_len + (size_t)lml_plain(content, content_f, ARTICLE_CONTENT_MAX_LEN);
+
 	cache.line_total = header_line_cnt +
-					   split_data_lines(content, SCREEN_COLS, cache.line_offsets + header_line_cnt, MAX_SPLIT_FILE_LINES - header_line_cnt);
+					   split_data_lines(content_f, SCREEN_COLS, cache.line_offsets + header_line_cnt, MAX_SPLIT_FILE_LINES - header_line_cnt);
+
+	if (cache.data_len - header_len != (size_t)cache.line_offsets[cache.line_total])
+	{
+		log_common("Body of article(aid=%d) is truncated from %ld to %ld\n",
+				p_article->aid, cache.data_len - header_len, cache.line_offsets[cache.line_total]);
+		cache.data_len = header_len + (size_t)(cache.line_offsets[cache.line_total]);
+	}
 
 	for (i = header_line_cnt; i <= cache.line_total; i++)
 	{
@@ -128,6 +146,13 @@ int article_cache_generate(const char *c
 
 	footer_line_cnt = split_data_lines(footer, SCREEN_COLS, cache.line_offsets + cache.line_total, MAX_SPLIT_FILE_LINES - cache.line_total);
 
+	if (footer_len != cache.line_offsets[cache.line_total + footer_line_cnt])
+	{
+		log_common("Footer of article(aid=%d) is truncated from %ld to %ld\n",
+				p_article->aid, footer_len, cache.line_offsets[cache.line_total + footer_line_cnt]);
+		footer_len = (size_t)(cache.line_offsets[cache.line_total + footer_line_cnt]);
+	}
+
 	for (i = 0; i <= footer_line_cnt; i++)
 	{
 		cache.line_offsets[cache.line_total + i] += (long)cache.data_len;
@@ -149,7 +174,7 @@ int article_cache_generate(const char *c
 		close(fd);
 		return -3;
 	}
-	if (write(fd, content, cache.data_len - header_len - footer_len) == -1)
+	if (write(fd, content_f, cache.data_len - header_len - footer_len) == -1)
 	{
 		log_error("write(%s, content) error (%d)\n", data_file, errno);
 		close(fd);