[GNUnet-SVN] [libmicrohttpd] branch master updated: Added MHD_lookup_connection_value_n().

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karlson2k pushed a commit to branch master
in repository libmicrohttpd.

The following commit(s) were added to refs/heads/master by this push:
     new cc5032b8 Added MHD_lookup_connection_value_n().
cc5032b8 is described below

commit cc5032b85365e567f02650f13ea6ad9a5bb5fef7
Author: Evgeny Grin (Karlson2k) <address@hidden>
AuthorDate: Fri May 3 16:48:57 2019 +0300

    Added MHD_lookup_connection_value_n().
---
 src/include/microhttpd.h    | 31 +++++++++++++++-
 src/microhttpd/connection.c | 86 +++++++++++++++++++++++++++++++++++++++------
 2 files changed, 106 insertions(+), 11 deletions(-)

diff --git a/src/include/microhttpd.h b/src/include/microhttpd.h
index 6617dd98..3dbda318 100644
--- a/src/include/microhttpd.h
+++ b/src/include/microhttpd.h
@@ -128,7 +128,7 @@ typedef intptr_t ssize_t;
  * Current version of the library.
  * 0x01093001 = 1.9.30-1.
  */
-#define MHD_VERSION 0x00096303
+#define MHD_VERSION 0x00096304
 
 /**
  * MHD-internal return code for "YES".
@@ -2619,6 +2619,35 @@ MHD_lookup_connection_value (struct MHD_Connection 
*connection,
                             const char *key);
 
 
+/**
+ * Get a particular header value.  If multiple
+ * values match the kind, return any one of them.
+ * @note Since MHD_VERSION 0x00096304
+ *
+ * @param connection connection to get values from
+ * @param kind what kind of value are we looking for
+ * @param key the header to look for, NULL to lookup 'trailing' value without 
a key
+ * @param key_size the length of @a key in bytes
+ * @param[out] value_ptr the pointer to variable, which will be set to found 
value,
+ *                       will not be updated if key not found,
+ *                       could be NULL to just check for presence of @a key
+ * @param[out] value_size_ptr the pointer variable, which will set to found 
value,
+ *                            will not be updated if key not found,
+ *                            could be NULL
+ * @param key_size the length of @a key in bytes
+ * @return #MHD_YES if key is found,
+ *         #MHD_NO otherwise.
+ * @ingroup request
+ */
+_MHD_EXTERN int
+MHD_lookup_connection_value_n (struct MHD_Connection *connection,
+                               enum MHD_ValueKind kind,
+                               const char *key,
+                               size_t key_size,
+                               const char **value,
+                               size_t *value_size);
+
+
 /**
  * Queue a response to be transmitted to the client (as soon as
  * possible but after #MHD_AccessHandlerCallback returns).
diff --git a/src/microhttpd/connection.c b/src/microhttpd/connection.c
index ef3228a7..3ad4dd7e 100644
--- a/src/microhttpd/connection.c
+++ b/src/microhttpd/connection.c
@@ -837,20 +837,86 @@ const char *
 MHD_lookup_connection_value (struct MHD_Connection *connection,
                              enum MHD_ValueKind kind,
                              const char *key)
+{
+  const char *value;
+
+  value = NULL;
+  MHD_lookup_connection_value_n (connection,
+                                 kind,
+                                 key,
+                                 (NULL == key) ? 0 : strlen(key),
+                                 &value,
+                                 NULL);
+  return value;
+}
+
+
+/**
+ * Get a particular header value.  If multiple
+ * values match the kind, return any one of them.
+ * @note Since MHD_VERSION 0x00096304
+ *
+ * @param connection connection to get values from
+ * @param kind what kind of value are we looking for
+ * @param key the header to look for, NULL to lookup 'trailing' value without 
a key
+ * @param key_size the length of @a key in bytes
+ * @param[out] value_ptr the pointer to variable, which will be set to found 
value,
+ *                       will not be updated if key not found,
+ *                       could be NULL to just check for presence of @a key
+ * @param[out] value_size_ptr the pointer variable, which will set to found 
value,
+ *                            will not be updated if key not found,
+ *                            could be NULL
+ * @param key_size the length of @a key in bytes
+ * @return #MHD_YES if key is found,
+ *         #MHD_NO otherwise.
+ * @ingroup request
+ */
+_MHD_EXTERN int
+MHD_lookup_connection_value_n (struct MHD_Connection *connection,
+                               enum MHD_ValueKind kind,
+                               const char *key,
+                               size_t key_size,
+                               const char **value_ptr,
+                               size_t *value_size_ptr)
 {
   struct MHD_HTTP_Header *pos;
 
   if (NULL == connection)
-    return NULL;
-  for (pos = connection->headers_received; NULL != pos; pos = pos->next)
-    if ((0 != (pos->kind & kind)) &&
-       ( (key == pos->header) ||
-         ( (NULL != pos->header) &&
-           (NULL != key) &&
-        (MHD_str_equal_caseless_(key,
-                                 pos->header)))))
-      return pos->value;
-  return NULL;
+    return MHD_NO;
+
+  if (NULL == key)
+    {
+      for (pos = connection->headers_received; NULL != pos; pos = pos->next)
+        {
+          if ( (kind == pos->kind) &&
+               (NULL == pos->header) )
+            break;
+        }
+    }
+  else
+    {
+      for (pos = connection->headers_received; NULL != pos; pos = pos->next)
+        {
+          if ( (kind == pos->kind) &&
+               (key_size == pos->header_size) &&
+               ( (key == pos->header) ||
+                 (MHD_str_equal_caseless_bin_n_ (key,
+                                                 pos->header,
+                                                 key_size) ) ) )
+            break;
+        }
+    }
+
+  if (NULL == pos)
+    return MHD_NO;
+
+  if (NULL != value_ptr)
+    *value_ptr = pos->value;
+
+  if (NULL != value_size_ptr)
+    *value_size_ptr = pos->value_size;
+
+  return MHD_YES;
 }
 
 

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