Move files copied from maildrop to a separate hierarchy.

[notmuch] / contrib / notmuch-deliver / maildrop / numlib / numlib.h

diff --git a/contrib/notmuch-deliver/maildrop/numlib/numlib.h b/contrib/notmuch-deliver/maildrop/numlib/numlib.h
new file mode 100644 (file)
index 0000000..d356c6d
--- /dev/null
+++ b/contrib/notmuch-deliver/maildrop/numlib/numlib.h
@@ -0,0 +1,97 @@
+#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