+
+
+static int
+a2time(time_t *t, const char *fmt, const char *p)
+{
+ struct tm tm;
+ char *pp;
+
+ memset(&tm, 0, sizeof(struct tm));
+
+ pp = strptime(p, fmt, &tm);
+ if (NULL != pp && '\0' == *pp) {
+ *t = mktime(&tm);
+ return(1);
+ }
+
+ return(0);
+}
+
+
+/*
+ * Convert from a manual date string (see mdoc(7) and man(7)) into a
+ * date according to the stipulated date type.
+ */
+time_t
+mandoc_a2time(int flags, const char *p)
+{
+ time_t t;
+
+ if (MTIME_MDOCDATE & flags) {
+ if (0 == strcmp(p, "$" "Mdocdate$"))
+ return(time(NULL));
+ if (a2time(&t, "$" "Mdocdate: %b %d %Y $", p))
+ return(t);
+ }
+
+ if (MTIME_CANONICAL & flags || MTIME_REDUCED & flags)
+ if (a2time(&t, "%b %d, %Y", p))
+ return(t);
+
+ if (MTIME_ISO_8601 & flags)
+ if (a2time(&t, "%Y-%m-%d", p))
+ return(t);
+
+ if (MTIME_REDUCED & flags) {
+ if (a2time(&t, "%d, %Y", p))
+ return(t);
+ if (a2time(&t, "%Y", p))
+ return(t);
+ }
+
+ return(0);
+}
+