X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/1d4977afe4282d300f0f34e68974f4ef211ac769..3bd5ce286fa6983f3f3f9fda4ff7f2f96c2a22a2:/h/utils.h

diff --git a/h/utils.h b/h/utils.h
index bd323d4e..9b659501 100644
--- a/h/utils.h
+++ b/h/utils.h
@@ -13,7 +13,7 @@ void *mh_xrealloc(void *ptr, size_t size);
 void *mh_xcalloc(size_t nelem, size_t elsize);
 
 /* Duplicate a NUL-terminated string, exit on failure. */
-char *mh_xstrdup(char *src);
+char *mh_xstrdup(const char *src);
 
 /* Call free(3), if ptr isn't NULL. */
 void mh_xfree(void *ptr);