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 "config.h"
   7
   8 #include <stdbool.h>
   9
  10 #include "compiler.h"
  11 #include "conf.h"
  12 #include "confile_utils.h"
  13
  14 #define strprint(str, inlen, ...)                                                     \
  15         do {                                                                          \
  16                 if (str)                                                              \
  17                         len = snprintf(str, inlen, ##__VA_ARGS__);                    \
  18                 else                                                                  \
  19                         len = snprintf((char *){""}, 0, ##__VA_ARGS__);               \
  20                 if (len < 0)                                                          \
  21                         return log_error_errno(-EIO, EIO, "failed to create string"); \
  22                 fulllen += len;                                                       \
  23                 if (inlen > 0) {                                                      \
  24                         if (str)                                                      \
  25                                 str += len;                                           \
  26                         inlen -= len;                                                 \
  27                         if (inlen < 0)                                                \
  28                                 inlen = 0;                                            \
  29                 }                                                                     \
  30         } while (0);
  31
  32 __hidden extern int parse_idmaps(const char *idmap, char *type, unsigned long *nsid,
  33                                  unsigned long *hostid, unsigned long *range);
  34
  35 __hidden extern bool lxc_config_value_empty(const char *value);
  36 __hidden extern struct lxc_netdev *lxc_get_netdev_by_idx(struct lxc_conf *conf, unsigned int idx,
  37                                                          bool allocate);
  38 __hidden extern void lxc_log_configured_netdevs(const struct lxc_conf *conf);
  39 __hidden extern bool lxc_remove_nic_by_idx(struct lxc_conf *conf, unsigned int idx);
  40 __hidden extern void lxc_free_networks(struct lxc_conf *conf);
  41 __hidden extern void lxc_clear_netdev(struct lxc_netdev *netdev);
  42 __hidden extern int lxc_veth_mode_to_flag(int *mode, const char *value);
  43 __hidden extern char *lxc_veth_flag_to_mode(int mode);
  44 __hidden extern int lxc_macvlan_mode_to_flag(int *mode, const char *value);
  45 __hidden extern char *lxc_macvlan_flag_to_mode(int mode);
  46 __hidden extern int lxc_ipvlan_mode_to_flag(int *mode, const char *value);
  47 __hidden extern char *lxc_ipvlan_flag_to_mode(int mode);
  48 __hidden extern int lxc_ipvlan_isolation_to_flag(int *mode, const char *value);
  49 __hidden extern char *lxc_ipvlan_flag_to_isolation(int mode);
  50
  51 __hidden extern int set_config_string_item(char **conf_item, const char *value);
  52 __hidden extern int set_config_string_item_max(char **conf_item, const char *value, size_t max)
  53     __access_r(2, 3);
  54
  55 __hidden extern int set_config_path_item(char **conf_item, const char *value);
  56 __hidden extern int set_config_bool_item(bool *conf_item, const char *value, bool empty_conf_action);
  57 __hidden extern int config_ip_prefix(struct in_addr *addr);
  58 __hidden extern int network_ifname(char *valuep, const char *value, size_t size) __access_r(2, 3);
  59
  60 __hidden extern void rand_complete_hwaddr(char *hwaddr);
  61 __hidden extern bool lxc_config_net_is_hwaddr(const char *line);
  62 __hidden extern bool new_hwaddr(char *hwaddr);
  63 __hidden extern int lxc_get_conf_str(char *retv, int inlen, const char *value);
  64 __hidden extern int lxc_get_conf_bool(struct lxc_conf *c, char *retv, int inlen, bool v);
  65 __hidden extern int lxc_get_conf_int(struct lxc_conf *c, char *retv, int inlen, int v);
  66 __hidden extern int lxc_get_conf_size_t(struct lxc_conf *c, char *retv, int inlen, size_t v);
  67 __hidden extern int lxc_get_conf_uint64(struct lxc_conf *c, char *retv, int inlen, uint64_t v);
  68 __hidden extern int lxc_inherit_namespace(const char *lxcname_or_pid, const char *lxcpath,
  69                                           const char *namespace);
  70 __hidden extern int sig_parse(const char *signame);
  71
  72 #endif /* __LXC_CONFILE_UTILS_H */