setenv() in glibc/eglibc will check the argument, like this,
...
if (name == NULL || *name == '\0' || strchr (name, '=') != NULL)
{
__set_errno (EINVAL);
return -1;
}
...
So add argument check in uclibc's setenv() too.
Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
to reuse values once generated for a `setenv' call since we can never
free the strings. [in uclibc, we do not] */
static int __add_to_environ(const char *name, const char *value,
to reuse values once generated for a `setenv' call since we can never
free the strings. [in uclibc, we do not] */
static int __add_to_environ(const char *name, const char *value,
{
register char **ep;
register size_t size;
{
register char **ep;
register size_t size;
int setenv(const char *name, const char *value, int replace)
{
int setenv(const char *name, const char *value, int replace)
{
+ if (name == NULL || *name == '\0' || strchr (name, '=') != NULL) {
+ __set_errno(EINVAL);
+ return -1;
+ }
+
/* NB: setenv("VAR", NULL, 1) inserts "VAR=" string */
return __add_to_environ(name, value ? value : "", replace);
}
/* NB: setenv("VAR", NULL, 1) inserts "VAR=" string */
return __add_to_environ(name, value ? value : "", replace);
}