Add example for url_decode_field

.gitignore

@@ -4,3 +4,5 @@ reference.out
 reference.exe
 parse.out
 parse.exe
+decode_field.out
+decode_field.exe

build.bat

@@ -1,2 +1,3 @@
 gcc url.c examples/reference.c    -o reference.exe    -Wall -Wextra -ggdb
 gcc url.c examples/parse.c        -o parse.exe        -Wall -Wextra -ggdb
+gcc url.c examples/decode_field.c -o decode_field.exe -Wall -Wextra -ggdb

build.sh

@@ -1,2 +1,3 @@
 gcc url.c examples/reference.c    -o reference.out    -Wall -Wextra -ggdb
 gcc url.c examples/parse.c        -o parse.out        -Wall -Wextra -ggdb
+gcc url.c examples/decode_field.c -o decode_field.out -Wall -Wextra -ggdb

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;
+}