X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;ds=sidebyside;f=sprinter.h;h=59776a9c7e476522fc6c21b48d34cfb0f8a1ea49;hb=327f30a8f398570a51f9c49cc092c4a95c53ef39;hp=5f4317570a059814922402bbe89643e6c7db00b0;hpb=14883b07003b9ed4223cd8f2c03b301fddae07bd;p=notmuch

diff --git a/sprinter.h b/sprinter.h
index 5f431757..59776a9c 100644
--- a/sprinter.h
+++ b/sprinter.h
@@ -27,7 +27,9 @@ typedef struct sprinter {
      * a list or map, followed or preceded by separators).  For string
      * and string_len, the char * must be UTF-8 encoded.  string_len
      * allows non-terminated strings and strings with embedded NULs
-     * (though the handling of the latter is format-dependent).
+     * (though the handling of the latter is format-dependent). For
+     * string (but not string_len) the string pointer passed may be
+     * NULL.
      */
     void (*string) (struct sprinter *, const char *);
     void (*string_len) (struct sprinter *, const char *, size_t);
@@ -68,4 +70,8 @@ sprinter_text_create (const void *ctx, FILE *stream);
 struct sprinter *
 sprinter_json_create (const void *ctx, FILE *stream);
 
+/* Create a new structure printer that emits S-Expressions. */
+struct sprinter *
+sprinter_sexp_create (const void *ctx, FILE *stream);
+
 #endif // NOTMUCH_SPRINTER_H