From f6be7d6ffe731affa5af0de2ca6ac4e50db75a23 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Mon, 18 Apr 2022 01:31:15 +0200
Subject: [PATCH] sys/net/sock_util: add sock_urlpath()

---
 sys/include/net/sock/util.h | 10 ++++++++++
 sys/net/sock/sock_util.c    | 11 +++++++++++
 2 files changed, 21 insertions(+)

diff --git a/sys/include/net/sock/util.h b/sys/include/net/sock/util.h
index ccbedf57ff..28f70a155b 100644
--- a/sys/include/net/sock/util.h
+++ b/sys/include/net/sock/util.h
@@ -102,6 +102,16 @@ static inline int sock_udp_ep_fmt(const sock_udp_ep_t *endpoint,
  */
 int sock_urlsplit(const char *url, char *hostport, char *urlpath);
 
+/**
+ * @brief   Returns a pointer to the path component in @p url
+ *
+ * @param[in]   url         URL to examine. Must not be NULL.
+ *
+ * @returns     pointer to the start of the path component in @p url
+ * @returns     NULL if @p url is invalid
+ */
+const char *sock_urlpath(const char *url);
+
 /**
  * @brief    Convert string to common IP-based transport layer endpoint
  *
diff --git a/sys/net/sock/sock_util.c b/sys/net/sock/sock_util.c
index f47ba2aaae..3180c900e7 100644
--- a/sys/net/sock/sock_util.c
+++ b/sys/net/sock/sock_util.c
@@ -149,6 +149,17 @@ int sock_urlsplit(const char *url, char *hostport, char *urlpath)
     return 0;
 }
 
+const char *sock_urlpath(const char *url)
+{
+    assert(url);
+    char *hoststart = _find_hoststart(url);
+    if (!hoststart) {
+        return NULL;
+    }
+
+    return _find_pathstart(hoststart);
+}
+
 int _parse_port(sock_udp_ep_t *ep_out, const char *portstart)
 {
     int port_len = strlen(portstart);