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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2005, 2007 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301 USA */
#include "readmsg.h"
static int
addset (int **set, int *n, unsigned val)
{
int *tmp;
tmp = realloc (*set, (*n + 1) * sizeof (**set));
if (tmp == NULL)
{
if (*set)
free (*set);
*n = 0;
*set = NULL;
return ENOMEM;
}
*set = tmp;
(*set)[*n] = val;
(*n)++;
return 0;
}
static int
is_number (const char *s)
{
int result = 1;
if (*s == '\0')
result = 0;
for (; *s; s++)
{
if (!isdigit ((unsigned char)*s))
{
result = 0;
break;
}
}
return result;
}
/*
According to ELM readmsg(1):
1. A lone ``*'' means select all messages in the mailbox.
2. A list of message numbers may be specified. Values of ``0'' and ``$'' in the
list both mean the last message in the mailbox. For example:
readmsg 1 3 0
extracts three messages from the folder: the first, the third, and the last.
3. Finally, the selection may be some text to match. This will select a mail
message which exactly matches the specified text. For example,
readmsg staff meeting
extracts the message which contains the words ``staff meeting.'' Note that it
will not match a message containing ``Staff Meeting'' - the matching is case
sensitive. Normally only the first message which matches the pattern will be
printed. The -a option discussed in a moment changes this.
*/
int
msglist (mu_mailbox_t mbox, int show_all, int argc, char **argv, int **set, int *n)
{
int i = 0;
size_t total = 0;
mu_mailbox_messages_count (mbox, &total);
for (i = 0; i < argc; i++)
{
/* 1. A lone ``*'' means select all messages in the mailbox. */
if (!strcmp (argv[i], "*"))
{
size_t j;
/* all messages */
for (j = 1; j <= total; j++)
addset (set, n, j);
j = argc + 1;
}
/* 2. A list of message numbers may be specified. Values of ``0'' and ``$'' in the
list both mean the last message in the mailbox. */
else if (!strcmp (argv[i], "$") || !strcmp (argv[i], "0"))
{
size_t j;
mu_mailbox_messages_count (mbox, &total);
for (j = 1; j < total; j++)
addset (set, n, j);
}
/* 3. Finally, the selection may be some text to match. This will select a mail
message which exactly matches the specified text. */
else if (!is_number(argv[i]))
{
size_t j;
int found = 0;
for (j = 1; j <= total; j++)
{
char buf[128];
size_t len = 0;
off_t offset = 0;
mu_message_t msg = NULL;
mu_stream_t stream = NULL;
mu_mailbox_get_message (mbox, j, &msg);
mu_message_get_stream (msg, &stream);
while (mu_stream_readline (stream, buf, sizeof buf, offset, &len) == 0 && len > 0)
{
if (strstr (buf, argv[i]) != NULL)
{
addset (set, n, j);
found = 1;
break;
}
offset += len;
}
if (found && !show_all)
break;
}
}
else if (isdigit (argv[i][0]))
{
/* single message */
addset (set, n, strtol (argv[i], NULL, 10));
}
}
return 0;
}
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