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casper: convert macros to inline functions
In libcasper, the first argument to the function is a structure that represents a connection to Casper. On systems without Casper, macros are used to interpose the Casper functions to standard libc ones. This may cause errors/warnings that the variable is not used. With the inline function, there is no such problem.
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@ -66,24 +66,97 @@ int cap_pwd_limit_users(cap_channel_t *chan, const char * const *names,
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__END_DECLS
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#else
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#define cap_getpwent(chan) getpwent()
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#define cap_getpwnam(chan, login) getpwnam(login)
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#define cap_getpwuid(chan, uid) getpwuid(uid)
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#define cap_getpwent_r(chan, pwd, buffer, bufsize, result) \
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getpwent_r(pwd, buffer, bufsize, result)
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#define cap_getpwnam_r(chan, name, pwd, buffer, bufsize, result) \
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getpwnam_r(name, pwd, buffer, bufsize, result)
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#define cap_getpwuid_r(chan, uid, pwd, buffer, bufsize, result) \
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getpwuid_r(uid, pwd, buffer, bufsize, result)
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static inline struct passwd *
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cap_getpwent(cap_channel_t *chan __unused)
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{
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#define cap_setpassent(chan, stayopen) setpassent(stayopen)
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#define cap_setpwent(chan) setpwent()
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#define cap_endpwent(chan) endpwent()
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return (getpwent());
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}
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#define cap_pwd_limit_cmds(chan, cmds, ncmds) (0)
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#define cap_pwd_limit_fields(chan, fields, nfields) (0)
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#define cap_pwd_limit_users(chan, names, nnames, uids, nuids) (0)
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static inline struct passwd *
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cap_getpwnam(cap_channel_t *chan __unused, const char *login)
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{
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return (getpwnam(login));
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}
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static inline struct passwd *
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cap_getpwuid(cap_channel_t *chan __unused, uid_t uid)
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{
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return (getpwuid(uid));
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}
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static inline int
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cap_getpwent_r(cap_channel_t *chan __unused, struct passwd *pwd, char *buffer,
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size_t bufsize, struct passwd **result)
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{
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return (getpwent_r(pwd, buffer, bufsize, result));
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}
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static inline int
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cap_getpwnam_r(cap_channel_t *chan __unused, const char *name,
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struct passwd *pwd, char *buffer, size_t bufsize, struct passwd **result)
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{
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return (getpwnam_r(name, pwd, buffer, bufsize, result));
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}
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static inline int
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cap_getpwuid_r(cap_channel_t *chan __unused, uid_t uid, struct passwd *pwd,
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char *buffer, size_t bufsize, struct passwd **result)
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{
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return (getpwuid_r(uid, pwd, buffer, bufsize, result));
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}
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static inline int
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cap_setpassent(cap_channel_t *chan __unused, int stayopen)
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{
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return (setpassent(stayopen));
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}
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static inline void
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cap_setpwent(cap_channel_t *chan __unused)
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{
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return (setpwent());
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}
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static inline void
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cap_endpwent(cap_channel_t *chan __unused)
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{
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return (endpwent());
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}
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static inline int
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cap_pwd_limit_cmds(cap_channel_t *chan __unused,
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const char * const *cmds __unused, size_t ncmds __unused)
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{
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return (0);
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}
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static inline int
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cap_pwd_limit_fields(cap_channel_t *chan __unused,
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const char * const *fields __unused, size_t nfields __unused)
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{
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return (0);
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}
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static inline int
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cap_pwd_limit_users(cap_channel_t *chan __unused,
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const char * const *names __unused, size_t nnames __unused,
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uid_t *uids __unused, size_t nuids __unused)
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{
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return (0);
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}
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#endif
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#endif /* !_CAP_PWD_H_ */
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@ -66,17 +66,60 @@ int cap_sysctl_limit(cap_sysctl_limit_t *limit);
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__END_DECLS
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#else /* !WITH_CASPER */
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#define cap_sysctl(chan, name, namelen, oldp, oldlenp, newp, newlen) \
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sysctl((name), (namelen), (oldp), (oldlenp), (newp), (newlen))
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#define cap_sysctlbyname(chan, name, oldp, oldlenp, newp, newlen) \
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sysctlbyname((name), (oldp), (oldlenp), (newp), (newlen))
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#define cap_sysctlnametomib(chan, name, mibp, sizep) \
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sysctlnametomib((name), (mibp), (sizep))
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static inline int
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cap_sysctl(cap_channel_t *chan __unused, const int *name, u_int namelen,
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void *oldp, size_t *oldlenp, const void *newp, size_t newlen)
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{
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#define cap_sysctl_limit_init(chan) (NULL)
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#define cap_sysctl_limit_name(limit, name, flags) (NULL)
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#define cap_sysctl_limit_mib(limit, mibp, miblen, flags) (NULL)
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#define cap_sysctl_limit(limit) (0)
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return (sysctl(name, namelen, oldp, oldlenp, newp, newlen));
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}
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static inline int
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cap_sysctlbyname(cap_channel_t *chan __unused, const char *name,
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void *oldp, size_t *oldlenp, const void *newp, size_t newlen)
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{
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return (sysctlbyname(name, oldp, oldlenp, newp, newlen));
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}
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static inline int
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cap_sysctlnametomib(cap_channel_t *chan __unused, const char *name, int *mibp,
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size_t *sizep)
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{
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return (sysctlnametomib(name, mibp, sizep));
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}
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static inline cap_sysctl_limit_t *
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cap_sysctl_limit_init(cap_channel_t *limit __unused)
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{
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return (NULL);
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}
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static inline cap_sysctl_limit_t *
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cap_sysctl_limit_name(cap_sysctl_limit_t *limit __unused,
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const char *name __unused, int flags __unused)
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{
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return (NULL);
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}
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static inline cap_sysctl_limit_t *
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cap_sysctl_limit_mib(cap_sysctl_limit_t *limit __unused,
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const int *mibp __unused, u_int miblen __unused,
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int flags __unused)
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{
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return (NULL);
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}
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static inline int
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cap_sysctl_limit(cap_sysctl_limit_t *limit __unused)
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{
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return (0);
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}
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#endif /* WITH_CASPER */
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#endif /* !_CAP_SYSCTL_H_ */
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