Split http into request and response headers

1 files changed, 43 insertions, 0 deletions

diff --git a/response.c b/response.c
new file mode 100644
index 0000000..df465d0
--- /dev/null
+++ b/response.c
@@ -0,0 +1,43 @@
+#include "response.h"
+
+#include <stdio.h>
+#include <unistd.h>
+
+#include "http.h"
+
+/// Sends a simple response only with a status to the client.
+/// \param fd File descriptor of the client socket
+/// \param status HTTP response status code
+/// \return Negative value if an error was encountered; numbers of bytes written otherwise
+int respond_only_status(const int fd, const enum status status)
+{
+	static const char * pattern =
+		"HTTP/1.1 %s\r\n"
+		"Connection: close\r\n"
+		"\r\n";
+
+	return dprintf(fd, pattern, status_str[status]);
+}
+
+/// Sends a response with a status and a body to the client.
+/// \param fd File descriptor of the client socket
+/// \param status HTTP response status code
+/// \param body Content that will be sent
+/// \param size Size of the content in bytes
+/// \return Negative value if an error was encountered; numbers of bytes written otherwise
+int respond_with_body(const int fd, const enum status status, const char * body, const int size)
+{
+	static const char * pattern =
+		"HTTP/1.1 %s\r\n"
+		"Connection: close\r\n"
+		"Content-Type: application/json\r\n"
+		"Content-Size: %d\r\n"
+		"\r\n";
+
+	if (0 > dprintf(fd, pattern, status_str[status], size))
+	{
+		return -1; // TODO: Handle errors properly
+	}
+
+	return write(fd, body, size);
+}