FS#10080

* Move strncpy() from core to the pluginlib
* Introduce strlcpy() and use that instead in most places (use memcpy in a few) in core and some plugins
* Drop strncpy() from the codec api as no codec used it
* Bump codec and plugin api versions


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21863 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 3 insertions, 6 deletions

diff --git a/apps/plugins/lua/lobject.c b/apps/plugins/lua/lobject.c
index 62ad8e9..7f73114 100644
--- a/apps/plugins/lua/lobject.c
+++ b/apps/plugins/lua/lobject.c
@@ -181,8 +181,7 @@ const char *luaO_pushfstring (lua_State *L, const char *fmt, ...) {
 
 void luaO_chunkid (char *out, const char *source, size_t bufflen) {
   if (*source == '=') {
-    strncpy(out, source+1, bufflen);  /* remove first char */
-    out[bufflen-1] = '\0';  /* ensures null termination */
+    strlcpy(out, source+1, bufflen);  /* remove first char */
   }
   else {  /* out = "source", or "...source" */
     if (*source == '@') {
diff --git a/apps/plugins/lua/lstrlib.c b/apps/plugins/lua/lstrlib.c
index 3d61036..4d58280 100644
--- a/apps/plugins/lua/lstrlib.c
+++ b/apps/plugins/lua/lstrlib.c
@@ -737,9 +737,7 @@ static const char *scanformat (lua_State *L, const char *strfrmt, char *form) {
   if (isdigit(uchar(*p)))
     luaL_error(L, "invalid format (width or precision too long)");
   *(form++) = '%';
-  strncpy(form, strfrmt, p - strfrmt + 1);
-  form += p - strfrmt + 1;
-  *form = '\0';
+  strlcpy(form, strfrmt, p - strfrmt + 1);
   return p;
 }
 
diff --git a/apps/plugins/lua/rockconf.h b/apps/plugins/lua/rockconf.h
index 639f336..02bd0e7 100644
--- a/apps/plugins/lua/rockconf.h
+++ b/apps/plugins/lua/rockconf.h
@@ -63,7 +63,7 @@ long pow(long x, long y);
 #define strchr   rb->strchr
 #define strcmp   rb->strcmp
 #define strcpy   rb->strcpy
-#define strncpy  rb->strncpy
+#define strlcpy  rb->strlcpy
 #define strlen   rb->strlen
 
 #endif /* _ROCKCONF_H_ */