util/crypto: add information about the payload part

[notmuch] / util / xutil.h

diff --git a/util/xutil.h b/util/xutil.h
index 4829f33c9ec8c73875d3f378382ad6c55625f6f8..e27070009b6839f51653f946bdc0971653915c68 100644 (file)
--- a/util/xutil.h
+++ b/util/xutil.h
@@ -25,6 +25,10 @@
 #include <sys/types.h>
 #include <regex.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* xutil.c */
 void *
 xcalloc (size_t nmemb, size_t size);
@@ -49,4 +53,8 @@ int
 xregexec (const regex_t *preg, const char *string,
          size_t nmatch, regmatch_t pmatch[], int eflags);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif