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/*
** m_draft.c -- construct the name of a draft message
**
** This code is Copyright (c) 2002, by the authors of nmh. See the
** COPYRIGHT file in the root directory of the nmh distribution for
** complete copyright information.
*/
#include <h/mh.h>
#include <h/utils.h>
#include <errno.h>
#include <sysexits.h>
/*
** `which' should either be the cur sequence to use the current draft
** or the beyond sequence to start with a new draft.
*/
char *
m_draft(char *which)
{
struct msgs *mp;
static char buffer[BUFSIZ];
char *folder;
folder = mh_xstrdup(toabsdir(draftfolder));
create_folder(folder, 0, exit);
if (!(mp = folder_read(folder))) {
adios(EX_IOERR, NULL, "unable to read folder %s", folder);
}
mh_free0(&folder);
/*
** Make sure we have enough message status space for all
** the message numbers from 1 to one beyond last, since we might
** select an empty slot. If we add more space at the
** end, go ahead and add 10 additional slots.
*/
if (mp->hghmsg >= mp->hghoff) {
if (!(mp = folder_realloc(mp, 1, mp->hghmsg + 10)))
adios(EX_OSERR, NULL, "unable to allocate folder storage");
} else if (mp->lowoff > 1) {
if (!(mp = folder_realloc(mp, 1, mp->hghoff)))
adios(EX_OSERR, NULL, "unable to allocate folder storage");
}
mp->msgflags |= ALLOW_BEYOND; /* allow the beyond sequence */
/*
** The draft message name to return is defined by `which'.
** Usually it is seq_cur (for the current draft) or seq_beyond
** (to start a new draft).
*/
if (!m_convert(mp, which))
exit(EX_SOFTWARE);
seq_setprev(mp);
snprintf(buffer, sizeof(buffer), "%s/%s", mp->foldpath,
m_name(mp->lowsel));
seq_setcur(mp, mp->lowsel);
seq_save(mp);
folder_free(mp);
return buffer;
}
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