Add executable for test

Makefile

@@ -9,7 +9,7 @@ HDRS=
 OBJS=	$(SRCS:.c=.o)
 CC=gcc
 #CC=mipsel-linux-gcc
-CFLAGS=-g
+CFLAGS=-g -std=c99 -D_XOPEN_SOURCE=700
 INCS=
 LIBS=-lsqlite3
 WARN=-pedantic -Wall -W -Wnested-externs -Wpointer-arith -Wno-long-long

tvdb.c

@@ -51,23 +51,31 @@ unescape(char *txt)
 	char *p = txt;
 	int l = strlen(txt);
 
-	while ((p = strchr(p, '&')))
+	for (; (p = strchr(p, '&')); p++)
 	{
-		HANDLE(""", '"', 5);
-		HANDLE("&", '&', 4);
-		HANDLE("
", '\n', 4);
-		HANDLE("
", '\r', 4);
-		p++;
+		int ll = 0;
+		unsigned char icode;
+		/* sscanf -> 1: the code was read; ll>0: ';' came next */
+		if ((1 == sscanf( p, "&#%hhu;%n", &icode, &ll) ||
+		     1 == sscanf( p, "&#%*[xX]%hhx;%n", &icode, &ll)) && 
+		     ll > 0) {
+			/*  &#x<hex>;, &#<decimal>; */
+			HANDLE(p, (char)icode, ll-1);
+		} else {
+			HANDLE("&amp;", '&', 4);
+			HANDLE("&quot;", '"', 5);
+			HANDLE("&apos;", '\'', 5);
+			HANDLE("&lt;", '<', 3);
+			HANDLE("&gt;", '>', 3);
+		}
 	}
 
-	p = txt;
-	while ((p = memchr(p, '\xe2', l - (p - txt))))
-	{
+	for (p = txt; (p = memchr(p, '\xe2', l - (p - txt))); p++)
+	{	/* curly apostrophe, en dash, curly quotes */
 		HANDLE("\xe2\x80\x99", '\'', 2);
 		HANDLE("\xe2\x80\x93", '-', 2);
 		HANDLE("\xe2\x80\x9c", '"', 2);
 		HANDLE("\xe2\x80\x9d", '"', 2);
-		p++;
 	}
 
 	if ((p = strpbrk(txt, "\n\r")))