Unurlifying a datatype; longjmp-based error signaling mechanism

2 files changed, 10 insertions, 0 deletions

diff --git a/include/lacweb.h b/include/lacweb.h
index 09f002fd..13db1f7b 100644
--- a/include/lacweb.h
+++ b/include/lacweb.h
@@ -9,6 +9,13 @@ extern lw_unit lw_unit_v;
 lw_context lw_init(size_t page_len, size_t heap_len);
 void lw_free(lw_context);
 void lw_reset(lw_context);
+void lw_reset_keep_request(lw_context);
+void lw_reset_keep_error_message(lw_context);
+failure_kind lw_begin(lw_context, char *path);
+
+void lw_error(lw_context, failure_kind, const char *fmt, ...);
+char *lw_error_message(lw_context);
+
 void *lw_malloc(lw_context, size_t);
 int lw_send(lw_context, int sock);
 
diff --git a/include/types.h b/include/types.h
index 81cec229..169952cb 100644
--- a/include/types.h
+++ b/include/types.h
@@ -12,3 +12,6 @@ typedef struct lw_context *lw_context;
 
 typedef lw_Basis_string lw_Basis_xhtml;
 typedef lw_Basis_string lw_Basis_page;
+
+
+typedef enum { SUCCESS, FATAL, BOUNDED_RETRY, UNLIMITED_RETRY } failure_kind;