src/lxc/confile_utils.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #ifndef __LXC_CONFILE_UTILS_H
   4 #define __LXC_CONFILE_UTILS_H
   5
   6 #include <stdbool.h>
   7
   8 #include "conf.h"
   9 #include "confile_utils.h"
  10
  11 #define strprint(str, inlen, ...)                                       \
  12         do {                                                            \
  13                 if (str)                                                \
  14                         len = snprintf(str, inlen, ##__VA_ARGS__);      \
  15                 else                                                    \
  16                         len = snprintf((char *){""}, 0, ##__VA_ARGS__); \
  17                 if (len < 0) {                                          \
  18                         SYSERROR("failed to create string");            \
  19                         return -1;                                      \
  20                 };                                                      \
  21                 fulllen += len;                                         \
  22                 if (inlen > 0) {                                        \
  23                         if (str)                                        \
  24                                 str += len;                             \
  25                         inlen -= len;                                   \
  26                         if (inlen < 0)                                  \
  27                                 inlen = 0;                              \
  28                 }                                                       \
  29         } while (0);
  30
  31 extern int parse_idmaps(const char *idmap, char *type, unsigned long *nsid,
  32                         unsigned long *hostid, unsigned long *range);
  33
  34 extern bool lxc_config_value_empty(const char *value);
  35 extern struct lxc_netdev *lxc_network_add(struct lxc_list *networks, int idx,
  36                                           bool tail);
  37 extern struct lxc_netdev *
  38 lxc_get_netdev_by_idx(struct lxc_conf *conf, unsigned int idx, bool allocate);
  39 extern void lxc_log_configured_netdevs(const struct lxc_conf *conf);
  40 extern bool lxc_remove_nic_by_idx(struct lxc_conf *conf, unsigned int idx);
  41 extern void lxc_free_networks(struct lxc_list *networks);
  42 extern int lxc_veth_mode_to_flag(int *mode, const char *value);
  43 extern int lxc_macvlan_mode_to_flag(int *mode, const char *value);
  44 extern char *lxc_macvlan_flag_to_mode(int mode);
  45 extern int lxc_ipvlan_mode_to_flag(int *mode, const char *value);
  46 extern char *lxc_ipvlan_flag_to_mode(int mode);
  47 extern int lxc_ipvlan_isolation_to_flag(int *mode, const char *value);
  48 extern char *lxc_ipvlan_flag_to_isolation(int mode);
  49
  50 extern int set_config_string_item(char **conf_item, const char *value);
  51 extern int set_config_string_item_max(char **conf_item, const char *value,
  52                                       size_t max);
  53 extern int set_config_path_item(char **conf_item, const char *value);
  54 extern int set_config_bool_item(bool *conf_item, const char *value,
  55                                 bool empty_conf_action);
  56 extern int config_ip_prefix(struct in_addr *addr);
  57 extern int network_ifname(char *valuep, const char *value, size_t size);
  58 extern void rand_complete_hwaddr(char *hwaddr);
  59 extern bool lxc_config_net_is_hwaddr(const char *line);
  60 extern bool new_hwaddr(char *hwaddr);
  61 extern int lxc_get_conf_str(char *retv, int inlen, const char *value);
  62 extern int lxc_get_conf_bool(struct lxc_conf *c, char *retv, int inlen, bool v);
  63 extern int lxc_get_conf_int(struct lxc_conf *c, char *retv, int inlen, int v);
  64 extern int lxc_get_conf_size_t(struct lxc_conf *c, char *retv, int inlen, size_t v);
  65 extern int lxc_get_conf_uint64(struct lxc_conf *c, char *retv, int inlen, uint64_t v);
  66 extern int lxc_inherit_namespace(const char *lxcname_or_pid,
  67                                  const char *lxcpath, const char *namespace);
  68 extern int sig_parse(const char *signame);
  69
  70 #endif /* __LXC_CONFILE_UTILS_H */