diff options
Diffstat (limited to 'sysdeps/generic/setenv.c')
| -rw-r--r-- | sysdeps/generic/setenv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/generic/setenv.c b/sysdeps/generic/setenv.c index e740fa9eef..f58c65b7f6 100644 --- a/sysdeps/generic/setenv.c +++ b/sysdeps/generic/setenv.c @@ -91,6 +91,8 @@ setenv (name, value, replace) if (__environ == NULL || *ep == NULL) { char **new_environ; + char *tmp; + if (__environ == last_environ && __environ != NULL) /* We allocated this space; we can extend it. */ new_environ = (char **) realloc (last_environ, @@ -117,9 +119,15 @@ setenv (name, value, replace) memcpy ((char *) new_environ, (char *) __environ, size * sizeof (char *)); +#ifdef _LIBC + tmp = __mempcpy (new_environ[size], name, namelen); + *tmp++ = '='; + __mempcpy (tmp, value, vallen); +#else memcpy (new_environ[size], name, namelen); new_environ[size][namelen] = '='; memcpy (&new_environ[size][namelen + 1], value, vallen); +#endif new_environ[size + 1] = NULL; @@ -138,8 +146,12 @@ setenv (name, value, replace) return -1; } *ep = new; +#ifdef _LIBC + *((char *) __mempcpy (*ep, name, namelen)) = '='; +#else memcpy (*ep, name, namelen); (*ep)[namelen] = '='; +#endif } memcpy (&(*ep)[namelen + 1], value, vallen); } |