Add example for url_decode_field

examples/decode_field.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <string.h>
+#include "../url.h"
+
+int main(void)
+{
+    char src[] = "http://web%73ite.com";
+
+    URL parsed;
+    int ret = url_parse(src, strlen(src), NULL, 1, &parsed);
+    if (ret < 0) {
+        printf("Couldn't parse base URL\n");
+        return -1;
+    }
+
+    printf("%.*s\n",
+        parsed.host_text.len,
+        parsed.host_text.ptr);
+
+    char buf[100];
+    ret = url_decode_field(parsed.host_text, buf, (int) sizeof(buf)-1);
+    if (ret < 0 || ret >= (int) sizeof(buf)) {
+        printf("Couldn't decode field\n");
+        return -1;
+    }
+
+    printf("%.*s\n", ret, buf);
+    return 0;
+}