Remove ranges from switch statements.

Though very nice and readable, the "case 'a'...'z':" construct is not ANSI C99
compliant. This patch unfolds the range in `quote.c' and substitutes the
switch-statement with an if-statement in `http-fetch.c' and `http-push.c'.

Signed-off-by: Florian Forster <octo@verplant.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

http-fetch.c

@@ -1136,13 +1136,14 @@ int fetch(unsigned char *sha1)
 
 static inline int needs_quote(int ch)
 {
-	switch (ch) {
-	case '/': case '-': case '.':
-	case 'A'...'Z':	case 'a'...'z':	case '0'...'9':
+	if (((ch >= 'A') && (ch <= 'Z'))
+			|| ((ch >= 'a') && (ch <= 'z'))
+			|| ((ch >= '0') && (ch <= '9'))
+			|| (ch == '/')
+			|| (ch == '-')
+			|| (ch == '.'))
 		return 0;
-	default:
-		return 1;
-	}
+	return 1;
 }
 
 static inline int hex(int v)

http-push.c

@@ -1077,13 +1077,14 @@ static int fetch_indices(void)
 
 static inline int needs_quote(int ch)
 {
-	switch (ch) {
-	case '/': case '-': case '.':
-	case 'A'...'Z':	case 'a'...'z':	case '0'...'9':
+	if (((ch >= 'A') && (ch <= 'Z'))
+			|| ((ch >= 'a') && (ch <= 'z'))
+			|| ((ch >= '0') && (ch <= '9'))
+			|| (ch == '/')
+			|| (ch == '-')
+			|| (ch == '.'))
 		return 0;
-	default:
-		return 1;
-	}
+	return 1;
 }
 
 static inline int hex(int v)

quote.c

@@ -206,7 +206,14 @@ char *unquote_c_style(const char *quoted, const char **endp)
 				case '\\': case '"':
 					break; /* verbatim */
 
-				case '0'...'7':
+				case '0':
+				case '1':
+				case '2':
+				case '3':
+				case '4':
+				case '5':
+				case '6':
+				case '7':
 					/* octal */
 					ac = ((ch - '0') << 6);
 					if ((ch = *sp++) < '0' || '7' < ch)