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Optimize a bit by using mempcpy.
[kopensolaris-gnu/glibc.git]
/
sysdeps
/
generic
/
putenv.c
diff --git
a/sysdeps/generic/putenv.c
b/sysdeps/generic/putenv.c
index
e5031c4
..
296f284
100644
(file)
--- a/
sysdeps/generic/putenv.c
+++ b/
sysdeps/generic/putenv.c
@@
-1,4
+1,4
@@
-/* Copyright (C) 1991, 1994, 1995, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994, 1995, 1996
, 1997
Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@
-55,11
+55,15
@@
putenv (string)
{
const char *const name_end = strchr (string, '=');
{
const char *const name_end = strchr (string, '=');
- if (name_end)
+ if (name_end
!= NULL
)
{
char *name = alloca (name_end - string + 1);
{
char *name = alloca (name_end - string + 1);
+#ifdef _LIBC
+ *((char *) __mempcpy (name, string, name_end - string)) = '\0';
+#else
memcpy (name, string, name_end - string);
name[name_end - string] = '\0';
memcpy (name, string, name_end - string);
name[name_end - string] = '\0';
+#endif
return setenv (name, name_end + 1, 1);
}
return setenv (name, name_end + 1, 1);
}