Add LibHTTPC_writeResponse

1 files changed, 50 insertions, 16 deletions

diff --git a/src/response.c b/src/response.c
index 154cd8d..6776da3 100644
--- a/src/response.c
+++ b/src/response.c
@@ -4,6 +4,30 @@
 #include <stdio.h>
 #include <string.h>
 
+#include <sys/socket.h>
+
+
+#define WRITE()                                             \
+    do                                                      \
+    {                                                       \
+        append(response->version);                          \
+        append(" ");                                        \
+        append(status);                                     \
+        append(" ");                                        \
+        append(response->phrase);                           \
+        append("\r\n");                                     \
+        for (size_t i = 0; i < response->header_count; ++i) \
+        {                                                   \
+            append(response->headers[i].name);              \
+            append(": ");                                   \
+            append(response->headers[i].value);             \
+            append("\r\n");                                 \
+        }                                                   \
+        append("\r\n");                                     \
+        if (response->body)                                 \
+            append(response->body);                         \
+    } while (0)
+
 
 char *LibHTTPC_dumpResponse(struct LibHTTPC_Response *response, char *buf, size_t buf_len)
 {
@@ -19,23 +43,33 @@ char *LibHTTPC_dumpResponse(struct LibHTTPC_Response *response, char *buf, size_
     snprintf(status, sizeof(status), "%d", response->status);
 
 #define append(X) strncat(buf, (X), buf_len - strlen(buf))
-    append(response->version);
-    append(" ");
-    append(status);
-    append(" ");
-    append(response->phrase);
-    append("\r\n");
-    for (size_t i = 0; i < response->header_count; ++i)
-    {
-        append(response->headers[i].name);
-        append(": ");
-        append(response->headers[i].value);
-        append("\r\n");
-    }
-    append("\r\n");
-    if (response->body)
-        append(response->body);
+    WRITE();
 #undef append
 
     return NULL;
 }
+
+int LibHTTPC_writeResponse(int sockfd, struct LibHTTPC_Response *response)
+{
+    char status[10];
+
+    if (!response->version)
+        response->version = "HTTP/1.1";
+    if (!response->status)
+        response->status = LibHTTPC_Status_OK;
+    if (!response->phrase)
+        response->phrase = LibHTTPC_dumpStatus(response->status);
+
+    snprintf(status, sizeof(status), "%d", response->status);
+
+#define append(X)                                   \
+    do                                              \
+    {                                               \
+        if (send(sockfd, (X), strlen(X), 0) == -1)  \
+            return 1;                               \
+    } while(0)
+    WRITE();
+#undef append
+
+    return 0;
+}