line-log: fix crash when --first-parent is used

diff --git a/commit.h b/commit.h
index 4d452dc96db3d5590878ab6f257022fe76b4130b..35cc4e266bd4afe0e00d2efb2781db2e95906936 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -6,6 +6,7 @@
 #include "strbuf.h"
 #include "decorate.h"
 #include "gpg-interface.h"
+#include "string-list.h"
 
 struct commit_list {
        struct commit *item;
@@ -79,6 +80,9 @@ enum cmit_fmt {
 };
 
 struct pretty_print_context {
+       /*
+        * Callers should tweak these to change the behavior of pp_* functions.
+        */
        enum cmit_fmt fmt;
        int abbrev;
        const char *subject;
@@ -92,6 +96,15 @@ struct pretty_print_context {
        const char *output_encoding;
        struct string_list *mailmap;
        int color;
+       struct ident_split *from_ident;
+
+       /*
+        * Fields below here are manipulated internally by pp_* functions and
+        * should not be counted on by callers.
+        */
+
+       /* Manipulated by the pp_* functions internally. */
+       struct string_list in_body_headers;
 };
 
 struct userformat_want {
@@ -111,20 +124,20 @@ extern void userformat_find_requirements(const char *fmt, struct userformat_want
 extern void format_commit_message(const struct commit *commit,
                                  const char *format, struct strbuf *sb,
                                  const struct pretty_print_context *context);
-extern void pretty_print_commit(const struct pretty_print_context *pp,
+extern void pretty_print_commit(struct pretty_print_context *pp,
                                const struct commit *commit,
                                struct strbuf *sb);
 extern void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,
                           struct strbuf *sb);
-void pp_user_info(const struct pretty_print_context *pp,
+void pp_user_info(struct pretty_print_context *pp,
                  const char *what, struct strbuf *sb,
                  const char *line, const char *encoding);
-void pp_title_line(const struct pretty_print_context *pp,
+void pp_title_line(struct pretty_print_context *pp,
                   const char **msg_p,
                   struct strbuf *sb,
                   const char *encoding,
                   int need_8bit_cte);
-void pp_remainder(const struct pretty_print_context *pp,
+void pp_remainder(struct pretty_print_context *pp,
                  const char **msg_p,
                  struct strbuf *sb,
                  int indent);
@@ -254,4 +267,6 @@ extern void print_commit_list(struct commit_list *list,
  */
 extern void check_commit_signature(const struct commit* commit, struct signature_check *sigc);
 
+int compare_commits_by_commit_date(const void *a_, const void *b_, void *unused);
+
 #endif /* COMMIT_H */