PR bootstrap/82948 - prefix.c:202:15: error: 'char* strncpy(char*, const char*,

   size_t)' destination unchanged after copying no bytes

gcc/ChangeLog:

	PR bootstrap/82948
	* prefic.c (translate_name): Replace strncpy with memcpy to
	avoid -Wstringop-truncation.

From-SVN: r254658

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 23f0197c6898800b294ce8a15b6a3e7ab7855975..18224e9ccba62886192e2c2b9540f288bf60d678 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2017-11-11  Martin Sebor  <msebor@redhat.com>
+
+       PR bootstrap/82948
+       * prefic.c (translate_name): Replace strncpy with memcpy to
+       avoid -Wstringop-truncation.
+
 2017-11-10  Jan Hubicka  <hubicka@ucw.cz>
 
        * tree-ssa-loop-im.c (execute_sm_if_changed): Do not compute freq_sum.

diff --git a/gcc/prefix.c b/gcc/prefix.c
index b40e9c48a0d8d3052af6995b58bfaccae32f8158..ae0985892792c2bf386f5bda12c14a3e0a8175cf 100644 (file)
--- a/gcc/prefix.c
+++ b/gcc/prefix.c
@@ -199,7 +199,7 @@ translate_name (char *name)
        ;
 
       key = (char *) alloca (keylen + 1);
-      strncpy (key, &name[1], keylen);
+      memcpy (key, &name[1], keylen);
       key[keylen] = 0;
 
       if (code == '@')