int
setenv (const char *name, const char *value, int replace)
{
if (name == NULL || *name == '\0' || strchr (name, '=') != NULL)
{
__set_errno (EINVAL);
return -1;
}
return __add_to_environ (name, value, NULL, replace);
}
/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
int putenv (char *string)
{
int result;
const char *const name_end = strchr (string, '=');
if (name_end != NULL) {
char *name = strndup(string, name_end - string);
result = __add_to_environ (name, NULL, string, 1);
free(name);
return(result);
}
unsetenv (string);
return 0;
}
/* Put STRING, which is of the form "NAME=VALUE", in the environment. */
int
putenv (char *string)
{
const char *const name_end = strchr (string, '=');
if (name_end != NULL)
{
char *name;
#ifdef _LIBC
int use_malloc = !__libc_use_alloca (name_end - string + 1);
if (__builtin_expect (use_malloc, 0))
{
name = strndup (string, name_end - string);
if (name == NULL)
return -1;
}
else
name = strndupa (string, name_end - string);
#else
# define use_malloc 1
name = malloc (name_end - string + 1);
if (name == NULL)
return -1;
memcpy (name, string, name_end - string);
name[name_end - string] = '\0';
#endif
int result = __add_to_environ (name, NULL, string, 1);
if (__glibc_unlikely (use_malloc))
free (name);
return result;
}
__unsetenv (string);
return 0;
}
int
setenv (const char *name, const char *value, int replace)
{
return __add_to_environ (name, value, NULL, replace);
}