mirror of
https://git.kernel.org/pub/scm/network/iproute2/iproute2.git
synced 2024-11-15 22:15:13 +08:00
2e96d2ccd0
There is only a single user who needs it to be reentrant (not really, but it's safer like this), add rt_addr_n2a_r() for it to use. Signed-off-by: Phil Sutter <phil@nwl.cc>
245 lines
6.5 KiB
C
245 lines
6.5 KiB
C
#ifndef __UTILS_H__
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#define __UTILS_H__ 1
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#include <sys/types.h>
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#include <asm/types.h>
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#include <resolv.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include "libnetlink.h"
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#include "ll_map.h"
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#include "rtm_map.h"
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extern int preferred_family;
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extern int human_readable;
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extern int use_iec;
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extern int show_stats;
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extern int show_details;
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extern int show_raw;
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extern int resolve_hosts;
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extern int oneline;
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extern int brief;
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extern int timestamp;
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extern int timestamp_short;
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extern const char * _SL_;
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extern int max_flush_loops;
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extern int batch_mode;
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extern bool do_all;
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#ifndef IPPROTO_ESP
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#define IPPROTO_ESP 50
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#endif
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#ifndef IPPROTO_AH
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#define IPPROTO_AH 51
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#endif
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#ifndef IPPROTO_COMP
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#define IPPROTO_COMP 108
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#endif
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#ifndef IPSEC_PROTO_ANY
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#define IPSEC_PROTO_ANY 255
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#endif
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#ifndef CONFDIR
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#define CONFDIR "/etc/iproute2"
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#endif
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#define SPRINT_BSIZE 64
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#define SPRINT_BUF(x) char x[SPRINT_BSIZE]
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void incomplete_command(void) __attribute__((noreturn));
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#define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
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#define NEXT_ARG_OK() (argc - 1 > 0)
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#define NEXT_ARG_FWD() do { argv++; argc--; } while(0)
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#define PREV_ARG() do { argv--; argc++; } while(0)
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typedef struct
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{
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__u16 flags;
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__u16 bytelen;
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__s16 bitlen;
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/* These next two fields match rtvia */
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__u16 family;
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__u32 data[8];
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} inet_prefix;
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#define PREFIXLEN_SPECIFIED 1
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#define DN_MAXADDL 20
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#ifndef AF_DECnet
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#define AF_DECnet 12
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#endif
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struct dn_naddr
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{
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unsigned short a_len;
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unsigned char a_addr[DN_MAXADDL];
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};
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#define IPX_NODE_LEN 6
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struct ipx_addr {
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u_int32_t ipx_net;
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u_int8_t ipx_node[IPX_NODE_LEN];
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};
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#ifndef AF_MPLS
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# define AF_MPLS 28
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#endif
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/* Maximum number of labels the mpls helpers support */
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#define MPLS_MAX_LABELS 8
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__u32 get_addr32(const char *name);
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int get_addr_1(inet_prefix *dst, const char *arg, int family);
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int get_prefix_1(inet_prefix *dst, char *arg, int family);
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int get_addr(inet_prefix *dst, const char *arg, int family);
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int get_prefix(inet_prefix *dst, char *arg, int family);
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int mask2bits(__u32 netmask);
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int get_addr_ila(__u64 *val, const char *arg);
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int get_integer(int *val, const char *arg, int base);
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int get_unsigned(unsigned *val, const char *arg, int base);
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int get_time_rtt(unsigned *val, const char *arg, int *raw);
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#define get_byte get_u8
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#define get_ushort get_u16
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#define get_short get_s16
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int get_u64(__u64 *val, const char *arg, int base);
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int get_u32(__u32 *val, const char *arg, int base);
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int get_s32(__s32 *val, const char *arg, int base);
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int get_u16(__u16 *val, const char *arg, int base);
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int get_s16(__s16 *val, const char *arg, int base);
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int get_u8(__u8 *val, const char *arg, int base);
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int get_s8(__s8 *val, const char *arg, int base);
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int get_addr64(__u64 *ap, const char *cp);
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char* hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
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__u8* hexstring_a2n(const char *str, __u8 *buf, int blen);
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#define ADDR64_BUF_SIZE sizeof("xxxx:xxxx:xxxx:xxxx")
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int addr64_n2a(__u64 addr, char *buff, size_t len);
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int af_bit_len(int af);
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int af_byte_len(int af);
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const char *format_host_r(int af, int len, const void *addr,
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char *buf, int buflen);
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const char *format_host(int af, int lne, const void *addr);
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const char *rt_addr_n2a_r(int af, int len, const void *addr,
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char *buf, int buflen);
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const char *rt_addr_n2a(int af, int len, const void *addr);
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int read_family(const char *name);
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const char *family_name(int family);
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void missarg(const char *) __attribute__((noreturn));
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void invarg(const char *, const char *) __attribute__((noreturn));
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void duparg(const char *, const char *) __attribute__((noreturn));
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void duparg2(const char *, const char *) __attribute__((noreturn));
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int matches(const char *arg, const char *pattern);
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int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits);
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const char *dnet_ntop(int af, const void *addr, char *str, size_t len);
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int dnet_pton(int af, const char *src, void *addr);
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const char *ipx_ntop(int af, const void *addr, char *str, size_t len);
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int ipx_pton(int af, const char *src, void *addr);
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const char *mpls_ntop(int af, const void *addr, char *str, size_t len);
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int mpls_pton(int af, const char *src, void *addr);
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extern int __iproute2_hz_internal;
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int __get_hz(void);
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static __inline__ int get_hz(void)
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{
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if (__iproute2_hz_internal == 0)
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__iproute2_hz_internal = __get_hz();
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return __iproute2_hz_internal;
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}
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extern int __iproute2_user_hz_internal;
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int __get_user_hz(void);
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static __inline__ int get_user_hz(void)
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{
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if (__iproute2_user_hz_internal == 0)
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__iproute2_user_hz_internal = __get_user_hz();
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return __iproute2_user_hz_internal;
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}
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static inline __u32 nl_mgrp(__u32 group)
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{
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if (group > 31 ) {
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fprintf(stderr, "Use setsockopt for this group %d\n", group);
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exit(-1);
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}
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return group ? (1 << (group - 1)) : 0;
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}
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/* courtesy of bridge-utils */
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static inline unsigned long __tv_to_jiffies(const struct timeval *tv)
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{
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unsigned long long jif;
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jif = 1000000ULL * tv->tv_sec + tv->tv_usec;
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return jif/10000;
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}
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static inline void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies)
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{
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unsigned long long tvusec;
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tvusec = 10000ULL*jiffies;
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tv->tv_sec = tvusec/1000000;
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tv->tv_usec = tvusec - 1000000 * tv->tv_sec;
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}
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int print_timestamp(FILE *fp);
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void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n);
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#define BUILD_BUG_ON(cond) ((void)sizeof(char[1 - 2 * !!(cond)]))
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#ifndef offsetof
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# define offsetof(type, member) ((size_t) &((type *)0)->member)
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#endif
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#ifndef min
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# define min(x, y) ({ \
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typeof(x) _min1 = (x); \
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typeof(y) _min2 = (y); \
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(void) (&_min1 == &_min2); \
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_min1 < _min2 ? _min1 : _min2; })
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#endif
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#ifndef __check_format_string
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# define __check_format_string(pos_str, pos_args) \
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__attribute__ ((format (printf, (pos_str), (pos_args))))
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#endif
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#define _textify(x) #x
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#define textify(x) _textify(x)
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#define htonll(x) ((1==htonl(1)) ? (x) : ((uint64_t)htonl((x) & 0xFFFFFFFF) << 32) | htonl((x) >> 32))
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#define ntohll(x) ((1==ntohl(1)) ? (x) : ((uint64_t)ntohl((x) & 0xFFFFFFFF) << 32) | ntohl((x) >> 32))
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extern int cmdlineno;
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ssize_t getcmdline(char **line, size_t *len, FILE *in);
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int makeargs(char *line, char *argv[], int maxargs);
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int inet_get_addr(const char *src, __u32 *dst, struct in6_addr *dst6);
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struct iplink_req;
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int iplink_parse(int argc, char **argv, struct iplink_req *req,
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char **name, char **type, char **link, char **dev,
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int *group, int *index);
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int do_each_netns(int (*func)(char *nsname, void *arg), void *arg,
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bool show_label);
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char *int_to_str(int val, char *buf);
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#endif /* __UTILS_H__ */
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