notmuch/contrib/notmuch-deliver/maildrop/numlib/numlib.h
Thomas Schwinge 38b245b46a Move files copied from maildrop to a separate hierarchy.
Signed-off-by: Thomas Schwinge <thomas@schwinge.name>
2011-11-05 01:12:35 +02:00

97 lines
2.4 KiB
C

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