From 8c9ec9a22944e4d47b707d01f084e31ce4512f8a Mon Sep 17 00:00:00 2001
From: Galin Simeonov <gts@volconst.com>
Date: Mon, 27 Sep 2021 00:07:03 +0300
Subject: Take html special chars into account when printing blobs. Not a
 perfect solution

---
 git_part.c | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/git_part.c b/git_part.c
index fb6d18d..beaf5d0 100644
--- a/git_part.c
+++ b/git_part.c
@@ -95,7 +95,7 @@ void print_commits(int dir_fd,const git_reference *branch, git_repository *repo)
 		print_commit(current_commit,NULL,log_file,diff_directory_fd,repo);
 
 	git_revwalk_free(walker);
-	fclose(log_file);
+	close_file(log_file);
 }
 void print_commit(git_commit *current_commit,git_commit *parent_commit,FILE *log_file,int diff_directory_fd,git_repository *repo)
 {
@@ -200,10 +200,22 @@ int print_entry(FILE *index_file,const git_tree_entry *entry,int base_dir_fd,git
 			push_html_link_for_blob(index_file,entry_name,entry_oid);
 			{
 				FILE *blob_file;
-				const void *blob_data;
+				const unsigned char *blob_data;
 				size_t blob_size;
+				size_t i;
 				git_blob *blob;
 
+				static const char *special_chars[256]
+					=
+					{
+						['\"']="&quot;",
+						['\'']="&apos;",
+						['&']="&amp;",
+						['<']="&lt;",
+						['>']="&gt;",
+
+					};
+
 				blob=(git_blob*)obj;
 
 				blob_file=create_file(base_dir_fd,entry_oid);
@@ -211,9 +223,20 @@ int print_entry(FILE *index_file,const git_tree_entry *entry,int base_dir_fd,git
 				blob_size=git_blob_rawsize(blob);
 				blob_data=git_blob_rawcontent(blob);
 
-				fwrite(blob_data,blob_size,1,blob_file);
-
-				fclose(blob_file);
+				fprintf(blob_file,"<code><pre>\n");
+				for(i=0;i<blob_size;++i)
+				{
+					if(special_chars[blob_data[i]])
+					{
+						fwrite(special_chars[blob_data[i]],1,strlen(special_chars[blob_data[i]]),blob_file);
+					}else
+					{
+						fwrite(blob_data+i,1,1,blob_file);
+					}
+				}
+				fprintf(blob_file,"</pre></code>\n");
+
+				close_file(blob_file);
 			}
 			break;
 	}
-- 
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