[PATCH 1/3] maint: s/strncpy/memcpy/, when equivalent

[Jim Meyering]

From: Jim Meyering <address@hidden>

* src/output.c (output_skeleton): Use memcpy, not strncpy,
since the source is known to fit in the destination buffer.
* src/parse-gram.y (%skeleton): Likewise.
* src/parse-gram.c: Likewise.
---
 src/output.c     | 2 +-
 src/parse-gram.c | 2 +-
 src/parse-gram.y | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/output.c b/src/output.c
index 08922bc..95ad5da 100644
--- a/src/output.c
+++ b/src/output.c
@@ -589,7 +589,7 @@ output_skeleton (void)
   full_skeleton = xmalloc (pkgdatadirlen + 1
                            + (skeleton_size < sizeof m4sugar
                               ? sizeof m4sugar : skeleton_size));
-  strncpy (full_skeleton, pkgdatadir, pkgdatadirlen);
+  memcpy (full_skeleton, pkgdatadir, pkgdatadirlen);
   full_skeleton[pkgdatadirlen] = '/';
   strcpy (full_skeleton + pkgdatadirlen + 1, m4sugar);
   full_m4sugar = xstrdup (full_skeleton);
diff --git a/src/parse-gram.c b/src/parse-gram.c
index 024da72..7125d12 100644
--- a/src/parse-gram.c
+++ b/src/parse-gram.c
@@ -2435,7 +2435,7 @@ yyreduce:
             xmalloc (dir_length + 1 + strlen (skeleton_user) + 1);
           if (dir_length > 0)
             {
-              strncpy (skeleton_build, current_file, dir_length);
+              memcpy (skeleton_build, current_file, dir_length);
               skeleton_build[dir_length++] = '/';
             }
           strcpy (skeleton_build + dir_length, skeleton_user);
diff --git a/src/parse-gram.y b/src/parse-gram.y
index 532349b..2cf436b 100644
--- a/src/parse-gram.y
+++ b/src/parse-gram.y
@@ -353,7 +353,7 @@ prologue_declaration:
             xmalloc (dir_length + 1 + strlen (skeleton_user) + 1);
           if (dir_length > 0)
             {
-              strncpy (skeleton_build, current_file, dir_length);
+              memcpy (skeleton_build, current_file, dir_length);
               skeleton_build[dir_length++] = '/';
             }
           strcpy (skeleton_build + dir_length, skeleton_user);
-- 
1.7.10.1.433.g34875f4