2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
5 * This file is part of mutt-ng, see http://www.muttng.org/.
6 * It's licensed under the GNU General Public License,
7 * please see the file GPL in the top level source directory.
10 #include <lib-lib/lib-lib.h>
14 int mutt_check_month (const char *s)
18 for (i = 0; i < 12; i++)
19 if (m_strncasecmp(s, Months[i], 3) == 0)
21 return (-1); /* error */
24 static int is_day_name (const char *s)
28 if ((m_strlen(s) < 3) || !*(s + 3) || !ISSPACE (*(s + 3)))
30 for (i = 0; i < 7; i++)
31 if (m_strncasecmp(s, Weekdays[i], 3) == 0)
37 * A valid message separator looks like:
39 * From [ <return-path> ] <weekday> <month> <day> <time> [ <timezone> ] <year>
42 int is_from (const char *s, char *path, ssize_t pathlen, time_t * tp)
50 if (m_strncmp("From ", s, 5) != 0)
53 s = m_strnextsp(s); /* skip over the From part. */
58 if (!is_day_name (s)) {
63 for (p = s; *p && (q || !ISSPACE (*p)); p++) {
78 if (len + 1 > pathlen)
80 memcpy (path, s, len);
84 s = vskipspaces(p + 1);
88 if (!is_day_name (s)) {
98 /* do a quick check to make sure that this isn't really the day of the week.
99 * this could happen when receiving mail from a local user whose login name
100 * is the same as a three-letter abbreviation of the day of the week.
102 if (is_day_name (s)) {
109 /* now we should be on the month. */
110 if ((tm.tm_mon = mutt_check_month (s)) < 0)
118 if (sscanf (s, "%d", &tm.tm_mday) != 1)
127 /* Accept either HH:MM or HH:MM:SS */
128 if (sscanf (s, "%d:%d:%d", &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 3);
129 else if (sscanf (s, "%d:%d", &tm.tm_hour, &tm.tm_min) == 2)
140 if (isalpha ((unsigned char) *s) || *s == '+' || *s == '-') {
147 * some places have two timezone fields after the time, e.g.
148 * From xxxx@yyyyyyy.fr Wed Aug 2 00:39:12 MET DST 1995
150 if (isalpha ((unsigned char) *s)) {
159 if (sscanf (s, "%d", &yr) != 1)
161 tm.tm_year = yr > 1900 ? yr - 1900 : (yr < 70 ? yr + 100 : yr);
166 *tp = mutt_mktime (&tm, 0);