===================================================================
RCS file: /cvs/mandoc/mandoc.c,v
retrieving revision 1.37
retrieving revision 1.40
diff -u -p -r1.37 -r1.40
--- mandoc/mandoc.c	2011/03/07 01:35:51	1.37
+++ mandoc/mandoc.c	2011/03/17 09:16:38	1.40
@@ -1,4 +1,4 @@
-/*	$Id: mandoc.c,v 1.37 2011/03/07 01:35:51 schwarze Exp $ */
+/*	$Id: mandoc.c,v 1.40 2011/03/17 09:16:38 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -354,7 +354,7 @@ mandoc_getarg(char **cpp, mandocmsg msg, void *data, i
 		while (' ' == *cp)
 			cp++;
 	}
-	*pos += (cp - start) + (quoted ? 1 : 0);
+	*pos += (int)(cp - start) + (quoted ? 1 : 0);
 	*cpp = cp;
 
 	if ('\0' == *cp && msg && (white || ' ' == cp[-1]))
@@ -363,7 +363,6 @@ mandoc_getarg(char **cpp, mandocmsg msg, void *data, i
 	return(start);
 }
 
-
 static int
 a2time(time_t *t, const char *fmt, const char *p)
 {
@@ -381,37 +380,41 @@ a2time(time_t *t, const char *fmt, const char *p)
 	return(0);
 }
 
-
 static char *
 time2a(time_t t)
 {
 	struct tm	 tm;
-	char		 buf[DATESIZE];
-	char		*p;
-	size_t		 nsz, rsz;
+	char		*buf, *p;
+	size_t		 ssz;
 	int		 isz;
 
 	localtime_r(&t, &tm);
 
-	p = buf;
-	rsz = DATESIZE;
+	/*
+	 * Reserve space:
+	 * up to 9 characters for the month (September) + blank
+	 * up to 2 characters for the day + comma + blank
+	 * 4 characters for the year and a terminating '\0'
+	 */
+	p = buf = mandoc_malloc(10 + 4 + 4 + 1);
 
-	if (0 == (nsz = strftime(p, rsz, "%B ", &tm)))
-		return(NULL);
+	if (0 == (ssz = strftime(p, 10 + 1, "%B ", &tm)))
+		goto fail;
+	p += (int)ssz;
 
-	p += (int)nsz;
-	rsz -= nsz;
-
-	if (-1 == (isz = snprintf(p, rsz, "%d, ", tm.tm_mday)))
-		return(NULL);
-
+	if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm.tm_mday)))
+		goto fail;
 	p += isz;
-	rsz -= isz;
 
-	return(strftime(p, rsz, "%Y", &tm) ? buf : NULL);
+	if (0 == strftime(p, 4 + 1, "%Y", &tm))
+		goto fail;
+	return(buf);
+
+fail:
+	free(buf);
+	return(NULL);
 }
 
-
 char *
 mandoc_normdate(char *in, mandocmsg msg, void *data, int ln, int pos)
 {
@@ -430,10 +433,9 @@ mandoc_normdate(char *in, mandocmsg msg, void *data, i
 		t = 0;
 	}
 	out = t ? time2a(t) : NULL;
-	return(mandoc_strdup(out ? out : in));
+	return(out ? out : mandoc_strdup(in));
 }
 
-
 int
 mandoc_eos(const char *p, size_t sz, int enclosed)
 {
@@ -477,7 +479,6 @@ mandoc_eos(const char *p, size_t sz, int enclosed)
 	return(found && !enclosed);
 }
 
-
 int
 mandoc_hyph(const char *start, const char *c)
 {
@@ -503,4 +504,55 @@ mandoc_hyph(const char *start, const char *c)
 		return(0);
 
 	return(1);
+}
+
+/*
+ * Check if a string is a punctuation delimiter.  This only applies to
+ * mdoc(7) documents, but as it's used in both front-ends and back-ends,
+ * it needs to go here (instead of, say, in libmdoc.h).
+ */
+enum mdelim
+mandoc_isdelim(const char *p)
+{
+
+	if ('\0' == p[0])
+		return(DELIM_NONE);
+
+	if ('\0' == p[1])
+		switch (p[0]) {
+		case('('):
+			/* FALLTHROUGH */
+		case('['):
+			return(DELIM_OPEN);
+		case('|'):
+			return(DELIM_MIDDLE);
+		case('.'):
+			/* FALLTHROUGH */
+		case(','):
+			/* FALLTHROUGH */
+		case(';'):
+			/* FALLTHROUGH */
+		case(':'):
+			/* FALLTHROUGH */
+		case('?'):
+			/* FALLTHROUGH */
+		case('!'):
+			/* FALLTHROUGH */
+		case(')'):
+			/* FALLTHROUGH */
+		case(']'):
+			return(DELIM_CLOSE);
+		default:
+			return(DELIM_NONE);
+		}
+
+	if ('\\' != p[0])
+		return(DELIM_NONE);
+
+	if (0 == strcmp(p, "\\."))
+		return(DELIM_CLOSE);
+	if (0 == strcmp(p, "\\*(Ba"))
+		return(DELIM_MIDDLE);
+
+	return(DELIM_NONE);
 }