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aebd88ef8d
When displaying usage output in response to the user requesting it (e.g. using -h/--help), make sure we write the output to stdout and we exit(0). When displaying output in response to an error (e.g. an invalid option or argument), make sure we write the output to stdout and exit non-zero. This brings us in line with standard utilities out there. URL: https://bugs.gentoo.org/655942 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
81 lines
2.3 KiB
C
81 lines
2.3 KiB
C
#ifndef __UTILS_H__
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#define __UTILS_H__ 1
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#include <asm/types.h>
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extern int preferred_family;
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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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#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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#define SPRINT_BSIZE 64
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#define SPRINT_BUF(x) char x[SPRINT_BSIZE]
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#define NEXT_ARG() \
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argv++; \
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if (--argc <= 0) \
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usage(E_OPTERR);
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typedef struct
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{
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__u8 family;
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__u8 bytelen;
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__s16 bitlen;
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__u32 data[4];
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} inet_prefix;
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extern __u32 get_addr32(char *name);
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extern int get_addr_1(inet_prefix *dst, char *arg, int family);
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extern int get_prefix_1(inet_prefix *dst, char *arg, int family);
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extern int get_addr(inet_prefix *dst, char *arg, int family);
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extern int get_prefix(inet_prefix *dst, char *arg, int family);
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extern int scan_number(char *arg, unsigned *val);
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extern int get_integer(int *val, char *arg, int base);
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extern int get_unsigned(unsigned *val, char *arg, int base);
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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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extern int get_u32(__u32 *val, char *arg, int base);
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extern int get_u16(__u16 *val, char *arg, int base);
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extern int get_s16(__s16 *val, char *arg, int base);
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extern int get_u8(__u8 *val, char *arg, int base);
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extern int get_s8(__s8 *val, char *arg, int base);
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extern int get_tc_classid(__u32 *h, char *str);
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extern int print_tc_classid(char *buf, int len, __u32 h);
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extern char * sprint_tc_classid(__u32 h, char *buf);
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/* static void usage(void) __attribute__((noreturn)); */
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void invarg(char *) __attribute__((noreturn));
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int matches(char *arg, char *pattern);
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extern int inet_addr_match(inet_prefix *a, inet_prefix *b, int bits);
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extern int ipaddr_list(int argc, char **argv);
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extern int iproute_monitor(int argc, char **argv);
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extern int do_ipaddr(int argc, char **argv);
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extern int do_iproute(int argc, char **argv);
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extern int do_iprule(int argc, char **argv);
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extern int do_ipneigh(int argc, char **argv);
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extern int do_iptunnel(int argc, char **argv);
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extern int do_iplink(int argc, char **argv);
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extern int do_ipmonitor(int argc, char **argv);
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extern int do_multiaddr(int argc, char **argv);
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extern int do_qdisc(int argc, char **argv);
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extern int do_class(int argc, char **argv);
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extern int do_filter(int argc, char **argv);
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extern const char *format_host(int af, void *addr, char *abuf, int alen);
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#endif /* __UTILS_H__ */
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