opened.c

[詳解]

/*++
/* NAME
/*  opened 3
/* SUMMARY
/*  log that a message was opened
/* SYNOPSIS
/*  #include <opened.h>
/*
/*  void    opened(queue_id, sender, size, nrcpt, format, ...)
/*  const char *queue_id;
/*  const char *sender;
/*  long    size;
/*  int nrcpt;
/*  const char *format;
/* DESCRIPTION
/*  opened() logs that a message was successfully delivered.
/*
/*  vopened() implements an alternative interface.
/*
/*  Arguments:
/* .IP queue_id
/*  Message queue ID.
/* .IP sender
/*  Sender address.
/* .IP size
/*  Message content size.
/* .IP nrcpt
/*  Number of recipients.
/* .IP format
/*  Format of optional text.
/* DIAGNOSTICS
/*  Fatal: out of memory.
/* BUGS
/*  Should be replaced by routines with an attribute-value based
/*  interface instead of an interface that uses a rigid argument list.
/* LICENSE
/* .ad
/* .fi
/*  The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/*  Wietse Venema
/*  IBM T.J. Watson Research
/*  P.O. Box 704
/*  Yorktown Heights, NY 10598, USA
/*--*/

/* System library. */

#include <sys_defs.h>
#include <stdlib.h>         /* 44BSD stdarg.h uses abort() */
#include <stdarg.h>

/* Utility library. */

#include <msg.h>
#include <vstring.h>

/* Global library. */

#include "opened.h"

/* opened - log that a message was opened */

void    opened(const char *queue_id, const char *sender, long size, int nrcpt,
                   const char *fmt,...)
{
    va_list ap;

    va_start(ap, fmt);
    vopened(queue_id, sender, size, nrcpt, fmt, ap);
    va_end(ap);
}

/* vopened - log that a message was opened */

void    vopened(const char *queue_id, const char *sender, long size, int nrcpt,
                const char *fmt, va_list ap)
{
    VSTRING *text = vstring_alloc(100);

#define TEXT (vstring_str(text))

    vstring_vsprintf(text, fmt, ap);
    msg_info("%s: from=<%s>, size=%ld, nrcpt=%d%s%s%s",
         queue_id, sender, size, nrcpt,
         *TEXT ? " (" : "", TEXT, *TEXT ? ")" : "");
    vstring_free(text);
}