Re: [RFC 2/2] Add Git-aware CGI for Git-aware smart HTTP transport

Shawn O. Pearce wrote:

+#define hex(a) (hexchar[(a) & 15])
+static void chunked_write(const char *fmt, ...)
+{
+	static const char hexchar[] = "0123456789abcdef";
+	va_list args;
+	unsigned n;
+
+	va_start(args, fmt);
+	n = vsnprintf(buffer + 6, sizeof(buffer) - 8, fmt, args);
+	va_end(args);
+	if (n >= sizeof(buffer) - 8)
+		die("protocol error: impossibly long line");
+
+	if (can_chunk) {
+		unsigned len = n + 4, b = 4;
+
+		buffer[4] = '\r';
+		buffer[5] = '\n';
+		buffer[n + 6] = '\r';
+		buffer[n + 7] = '\n';
+
+		while (n > 0) {
+			buffer[--b] = hex(n);
+			n >>= 4;
+			len++;
+		}
+
+		safe_write(1, buffer + b, len);
+	} else
+		safe_write(1, buffer + 6, n);
+}

Maybe I am slightly confused, but I thought handling HTTP chunking for 
HTTP/1.1+ clients was usually done by Apache above the level of the CGI 
script?

	-hpa