From: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date: Tue, 16 May 2023 11:25:40 +0000 (+0200)
Subject: gccrs: libproc_macro: Copy ffistring data from source
X-Git-Tag: basepoints/gcc-15~2535
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9fc94c1562dd69508d7483d236b352270e0d6e3b;p=thirdparty%2Fgcc.git

gccrs: libproc_macro: Copy ffistring data from source

Data from source pointer were not copied correctly in the ffistring
constructor.

libgrust/ChangeLog:

	* libproc_macro/ffistring.cc (FFIString::make_ffistring):
	Add copy from source pointer.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
---

diff --git a/libgrust/libproc_macro/ffistring.cc b/libgrust/libproc_macro/ffistring.cc
index 1623bc9899e2..06e4e81dc245 100644
--- a/libgrust/libproc_macro/ffistring.cc
+++ b/libgrust/libproc_macro/ffistring.cc
@@ -41,7 +41,8 @@ FFIString::make_ffistring (const std::string &str)
 FFIString
 FFIString::make_ffistring (const unsigned char *data, std::uint64_t len)
 {
-  const unsigned char *inner = new unsigned char[len];
+  unsigned char *inner = new unsigned char[len];
+  std::memcpy (inner, data, len);
   return {inner, len};
 }