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.
17 #include <lib-lib/mem.h>
18 #include <lib-lib/str.h>
19 #include <lib-lib/macros.h>
23 int mutt_check_month (const char *s)
27 for (i = 0; i < 12; i++)
28 if (m_strncasecmp(s, Months[i], 3) == 0)
30 return (-1); /* error */
33 static int is_day_name (const char *s)
37 if ((m_strlen(s) < 3) || !*(s + 3) || !ISSPACE (*(s + 3)))
39 for (i = 0; i < 7; i++)
40 if (m_strncasecmp(s, Weekdays[i], 3) == 0)
46 * A valid message separator looks like:
48 * From [ <return-path> ] <weekday> <month> <day> <time> [ <timezone> ] <year>
51 int is_from (const char *s, char *path, ssize_t pathlen, time_t * tp)
59 if (m_strncmp("From ", s, 5) != 0)
62 s = m_strnextsp(s); /* skip over the From part. */
67 if (!is_day_name (s)) {
72 for (p = s; *p && (q || !ISSPACE (*p)); p++) {
87 if (len + 1 > pathlen)
89 memcpy (path, s, len);
93 s = vskipspaces(p + 1);
97 if (!is_day_name (s)) {
107 /* do a quick check to make sure that this isn't really the day of the week.
108 * this could happen when receiving mail from a local user whose login name
109 * is the same as a three-letter abbreviation of the day of the week.
111 if (is_day_name (s)) {
118 /* now we should be on the month. */
119 if ((tm.tm_mon = mutt_check_month (s)) < 0)
127 if (sscanf (s, "%d", &tm.tm_mday) != 1)
136 /* Accept either HH:MM or HH:MM:SS */
137 if (sscanf (s, "%d:%d:%d", &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 3);
138 else if (sscanf (s, "%d:%d", &tm.tm_hour, &tm.tm_min) == 2)
149 if (isalpha ((unsigned char) *s) || *s == '+' || *s == '-') {
156 * some places have two timezone fields after the time, e.g.
157 * From xxxx@yyyyyyy.fr Wed Aug 2 00:39:12 MET DST 1995
159 if (isalpha ((unsigned char) *s)) {
168 if (sscanf (s, "%d", &yr) != 1)
170 tm.tm_year = yr > 1900 ? yr - 1900 : (yr < 70 ? yr + 100 : yr);
175 *tp = mutt_mktime (&tm, 0);