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98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
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#ifndef numlib_h
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#define numlib_h
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/*
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** Copyright 1998 - 2003 Double Precision, Inc.
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** See COPYING for distribution information.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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static const char numlib_h_rcsid[]="$Id: numlib.h,v 1.10 2004/01/11 02:47:33 mrsam Exp $";
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#ifdef HAVE_CONFIG_H
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#include "config.h" /* VPATH build */
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#endif
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#include <sys/types.h>
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#include <time.h>
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#define NUMBUFSIZE 60
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/* Convert various system types to decimal */
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char *libmail_str_time_t(time_t, char *);
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char *libmail_str_off_t(off_t, char *);
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char *libmail_str_pid_t(pid_t, char *);
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char *libmail_str_dev_t(dev_t, char *);
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char *libmail_str_ino_t(ino_t, char *);
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char *libmail_str_uid_t(uid_t, char *);
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char *libmail_str_gid_t(gid_t, char *);
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char *libmail_str_size_t(size_t, char *);
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char *libmail_str_sizekb(unsigned long, char *); /* X Kb or X Mb */
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/* Convert selected system types to hex */
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char *libmail_strh_time_t(time_t, char *);
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char *libmail_strh_pid_t(pid_t, char *);
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char *libmail_strh_ino_t(ino_t, char *);
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char *libmail_strh_dev_t(dev_t, char *);
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/* And, now let's do the reverse */
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time_t libmail_strtotime_t(const char **);
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time_t libmail_atotime_t(const char *);
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uid_t libmail_strtouid_t(const char **);
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uid_t libmail_atouid_t(const char *);
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gid_t libmail_strtogid_t(const char **);
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gid_t libmail_atogid_t(const char *);
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/* Common macros: */
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#define LIBMAIL_STRIMPL(type, f1, f2) \
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\
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type f1(const char **p)\
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{\
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type n=0;\
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while ( **p >= '0' && **p <= '9') n=n*10 + (char)(*(*p)++ - '0');\
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return n;\
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}\
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\
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type f2(const char *p)\
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{\
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return f1(&p);\
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}
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/*
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** The following functions are used by root to reset its user and group id
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** to the authenticated user's. Various functions are provided to handle
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** various situations.
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*/
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void libmail_changegroup(gid_t); /* Set the group id only. Also clear any
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** auxiliary group ids */
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void libmail_changeuidgid(uid_t, gid_t);
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/* Set both user id and group id. Also clear
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** aux group ids */
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void libmail_changeusername(const char *, const gid_t *);
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/*
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** Set the userid to the indicate user's. If second argument is
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** not null, it points to the groupid to set. If it's null, the
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** group id is taken from the passwd file. Auxiliary IDs are set
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** to any aux IDs set for the user in the group file. If there are
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** no aux group IDs for the user, any AUX ids are cleared.
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif
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