* sexp-format.c (sexp_vformat): Allow whitespace in format string.

Rev: src/nettle/sexp-format.c:1.7
Rev: src/nettle/sexp.h:1.13

sexp-format.c

@@ -97,7 +97,7 @@ sexp_vformat(struct nettle_buffer *buffer, const char *format, va_list args)
       default:
 	{
 	  const char *start = format - 1;
-	  unsigned length = 1 + strcspn(format, "()%");
+	  unsigned length = 1 + strcspn(format, "()% \t");
 	  unsigned output_length = format_string(buffer, length, start);
 	  if (!output_length)
 	    return 0;
@@ -107,6 +107,9 @@ sexp_vformat(struct nettle_buffer *buffer, const char *format, va_list args)
 
 	  break;
 	}
+      case ' ': case '\t':
+	break;
+	
       case '\0':
 	assert(!nesting);
 	    

sexp.h

@@ -135,7 +135,8 @@ struct nettle_buffer;
  * buffer == NULL, just compute length.
  *
  * Format strings can contained matched parentheses, tokens ("foo" in
- * the format string is formatted as "3:foo"), and the following
+ * the format string is formatted as "3:foo"), whitespace (which
+ * separates tokens but is otherwise ignored) and the following
  * formatting specifiers:
  *
  *   %s   String represented as unsigned length, const uint8_t *data.