docbook2mdoc: fix systematically wrong (int) casts in character

[schwarze@mandoc.bsd.lv]

Log Message:
-----------
fix systematically wrong (int) casts in character classification functions

Modified Files:
--------------
    docbook2mdoc:
        docbook2mdoc.c

Revision Data
-------------
Index: docbook2mdoc.c
===================================================================
RCS file: /home/cvs/mdocml/docbook2mdoc/docbook2mdoc.c,v
retrieving revision 1.45
retrieving revision 1.46
diff -Ldocbook2mdoc.c -Ldocbook2mdoc.c -u -p -r1.45 -r1.46
--- docbook2mdoc.c
+++ docbook2mdoc.c
@@ -225,7 +225,7 @@ xml_char(void *arg, const XML_Char *p, i
 	 */
 	if (NODE_TEXT != ps->node) {
 		for (i = 0; i < sz; i++)
-			if ( ! isspace((int)p[i]))
+			if ( ! isspace((unsigned char)p[i]))
 				break;
 		if (i == sz)
 			return;
@@ -265,7 +265,7 @@ pnode_trim(struct pnode *pn)
 
 	assert(NODE_TEXT == pn->node);
 	for ( ; pn->bsz > 0; pn->bsz--)
-		if ( ! isspace((int)pn->b[pn->bsz - 1]))
+		if ( ! isspace((unsigned char)pn->b[pn->bsz - 1]))
 			break;
 }
 
@@ -580,27 +580,27 @@ pnode_printmacrolinetext(struct parse *p
 
 	/* Convert all space to spaces. */
 	for (cp = p->b; '\0' != *cp; cp++)
-		if (isspace((int)*cp))
+		if (isspace((unsigned char)*cp))
 			*cp = ' ';
 
-	for (cp = p->b; isspace((int)*cp); cp++)
+	for (cp = p->b; isspace((unsigned char)*cp); cp++)
 		/* Spin past whitespace (XXX: necessary?) */ ;
 	for ( ; '\0' != *cp; cp++) {
 		/* Escape us if we look like a macro. */
 		if ((cp == p->b || ' ' == *(cp - 1)) &&
-			isupper((int)*cp) &&
+			isupper((unsigned char)*cp) &&
 			'\0' != *(cp + 1) &&
-			islower((int)*(cp + 1)) &&
+			islower((unsigned char)*(cp + 1)) &&
 			('\0' == *(cp + 2) ||
 			 ' ' == *(cp + 2) ||
-			 (islower((int)*(cp + 2)) &&
+			 (islower((unsigned char)*(cp + 2)) &&
 			  ('\0' == *(cp + 3) ||
 			   ' ' == *(cp + 3)))))
 			fputs("\\&", stdout);
 		if (MACROLINE_UPPER & fl)
-			putchar(toupper((int)*cp));
+			putchar(toupper((unsigned char)*cp));
 		else
-			putchar((int)*cp);
+			putchar(*cp);
 		/* If we're a character escape, escape us. */
 		if ('\\' == *cp)
 			putchar('e');
@@ -672,7 +672,7 @@ pnode_printmclosepunct(struct parse *p, 
 	/* Only do this for the comma/period. */
 	if (pn->bsz > 0 &&
 		(',' == pn->b[0] || '.' == pn->b[0]) &&
-		(1 == pn->bsz || isspace((int)pn->b[1]))) {
+		(1 == pn->bsz || isspace((unsigned char)pn->b[1]))) {
 		putchar(' ');
 		putchar(pn->b[0]);
 		pn->b++;
@@ -1455,8 +1455,8 @@ pnode_print(struct parse *p, struct pnod
 		for (last = '\n'; '\0' != *cp; ) {
 			if ('\n' == last) {
 				/* Consume all whitespace. */
-				if (isspace((int)*cp)) {
-					while (isspace((int)*cp))
+				if (isspace((unsigned char)*cp)) {
+					while (isspace((unsigned char)*cp))
 						cp++;
 					continue;
 				} else if ('\'' == *cp || '.' == *cp)
--
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