Harden the request path, scan and error recovery

1 file changed, 14 insertions, 3 deletions

diff --git a/source/cgit.h b/source/cgit.h
index 72c0844..163cd4d 100644
--- a/source/cgit.h
+++ b/source/cgit.h
@@ -38,6 +38,7 @@
 #include <string-list.h>
 #include <strvec.h>
 #include <tag.h>
+#include <tree-walk.h>
 #include <tree.h>
 #include <url.h>
 #include <utf8.h>
@@ -58,6 +59,13 @@
 // A double, because a twelfth of a year is not a whole number of seconds.
 #define SECONDS_PER_MONTH  (SECONDS_PER_YEAR / 12.0)
 
+// The number of context lines git itself defaults to.
+#define DEFAULT_DIFF_CONTEXT 3
+
+// A tab in rendered source runs on to the next multiple of this, which is the
+// width a browser picks on its own since the stylesheet sets no tab-size.
+#define TAB_WIDTH 8
+
 typedef enum {
 	DIFF_UNIFIED, DIFF_SSDIFF, DIFF_STATONLY
 } diff_type;
@@ -168,7 +176,7 @@ struct cgit_query {
 	char *path;
 	char *url;
 	char *period;
-	int   ofs;
+	int ofs;
 	int nohead;
 	char *sort;
 	int showmsg;
@@ -203,7 +211,8 @@ struct cgit_config {
 	char *script_name;
 	char *section;
 	char *repository_sort;
-	char *virtual_root;	// Always ends with a slash.
+	// Always ends with a slash.
+	char *virtual_root;
 	char *strict_export;
 	struct date_mode date_mode;
 	int cache_size;
@@ -216,7 +225,7 @@ struct cgit_config {
 	int cache_snapshot_ttl;
 	int case_sensitive_sort;
 	int embedded;
-	int trust_scan_filters;
+	int trust_scan_config;
 	int enable_follow_links;
 	int enable_gitmodules_links;
 	int enable_header;
@@ -281,6 +290,8 @@ struct cgit_page {
 	int status;
 	const char *statusmsg;
 	int untrusted;
+	// Set once the status line is out, when an error can only join the body.
+	int headers_sent;
 };
 
 struct cgit_environment {