From b3568f55b0d8d2a9d12c53c8dbee00be66c32d1d Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Thu, 18 Jul 2019 20:34:59 -0400
Subject: properly inserting new links

---
 index.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'index.c')

diff --git a/index.c b/index.c
index bac0454..5bb7249 100644
--- a/index.c
+++ b/index.c
@@ -4,6 +4,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
 #include <unistd.h>
 
 #include "blog.h"
@@ -23,8 +25,15 @@ static void insert_into(int blogdir, char *index_dir, const char *uri, const cha
 	/* add old entries */
 	int old_index = openat(blogdir, index_path, O_RDONLY);
 	if (old_index != -1) {
-		/* find exising entries */
-		/* copy them to new_index */
+		struct stat st;
+		fstat(old_index, &st);
+		char *buf = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, old_index, 0);
+		if (buf != MAP_FAILED) {
+			char *a = strstr(buf, "<a");
+			char *add = strstr(a, "<address");
+			write(new_index, a, add - a);
+			munmap(buf, st.st_size);
+		}
 		close(old_index);
 	}
 
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