From fcbe793d025db68e7ee4b92f10e086ba9e95fc8a Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Mon, 8 Oct 2018 17:50:15 -0400
Subject: Use wchar_t in ttpre

---
 bin/ttpre.c | 33 ++++++++++++++++++---------------
 1 file changed, 18 insertions(+), 15 deletions(-)

(limited to 'bin/ttpre.c')

diff --git a/bin/ttpre.c b/bin/ttpre.c
index 85654d4b..e6be5d34 100644
--- a/bin/ttpre.c
+++ b/bin/ttpre.c
@@ -14,41 +14,44 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <wchar.h>
 
-static void put(const char *tag, char ch) {
+static void put(const char *tag, wchar_t ch) {
 	if (tag) printf("<%s>", tag);
 	switch (ch) {
-		break; case '&': printf("&amp;");
-		break; case '<': printf("&lt;");
-		break; case '>': printf("&gt;");
-		break; default:  printf("%c", ch);
+		break; case L'&': printf("&amp;");
+		break; case L'<': printf("&lt;");
+		break; case L'>': printf("&gt;");
+		break; default:   printf("%lc", ch);
 	}
 	if (tag) printf("</%s>", tag);
 }
 
-static void push(char ch) {
-	static char q[3];
-	if (q[1] == '\b' && q[0] == '_') {
+static void push(wchar_t ch) {
+	static wchar_t q[3];
+	if (q[1] == L'\b' && q[0] == L'_') {
 		put("i", q[2]);
-		memset(q, 0, 3);
-	} else if (q[1] == '\b' && q[0] == q[2]) {
+		memset(q, 0, sizeof(q));
+	} else if (q[1] == L'\b' && q[0] == q[2]) {
 		put("b", q[2]);
-		memset(q, 0, 3);
+		memset(q, 0, sizeof(q));
 	} else if (q[0]) {
 		put(NULL, q[0]);
 	}
-	memmove(q, &q[1], 2);
+	memmove(q, &q[1], sizeof(q) - sizeof(wchar_t));
 	q[2] = ch;
 }
 
 int main() {
+	setlocale(LC_CTYPE, "");
 	printf("<pre>");
-	char ch;
-	while (EOF != (ch = getchar_unlocked())) push(ch);
-	push('\0'); push('\0'); push('\0');
+	wchar_t ch;
+	while (WEOF != (ch = getwchar())) push(ch);
+	push(0); push(0); push(0);
 	printf("</pre>\n");
 	return EXIT_SUCCESS;
 }
-- 
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