coverity: rundir: Fix memory leaks

Since we're no longer always returning a getenv result or some defined
string, the callers should cleanup the variable after use.

As a result, change from const char* to char*, add the needed free()
everywhere and use strdup() on strings coming from getenv.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Stéphane Graber 2014-02-19 00:40:21 -05:00
parent 44b9ae4b8a
commit fd8c277753

View File

@ -39,7 +39,7 @@ extern void lxc_setup_fs(void);
extern int get_u16(unsigned short *val, const char *arg, int base); extern int get_u16(unsigned short *val, const char *arg, int base);
extern int mkdir_p(const char *dir, mode_t mode); extern int mkdir_p(const char *dir, mode_t mode);
extern void remove_trailing_slashes(char *p); extern void remove_trailing_slashes(char *p);
extern const char *get_rundir(void); extern char *get_rundir(void);
extern const char *lxc_global_config_value(const char *option_name); extern const char *lxc_global_config_value(const char *option_name);