[taler-exchange] 02/06: -sms wip

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grothoff pushed a commit to branch master
in repository exchange.

commit 3da97b291e03f45c269c9ef2dfbb38aa6a2ca740
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Wed Nov 17 13:03:58 2021 +0100

    -sms wip
---
 src/util/crypto_helper_common.c | 51 +++++++++++++++++++++++++++++++++++++++++
 src/util/crypto_helper_common.h | 41 +++++++++++++++++++++++++++++++++
 2 files changed, 92 insertions(+)

diff --git a/src/util/crypto_helper_common.c b/src/util/crypto_helper_common.c
new file mode 100644
index 00000000..2aa6dbac
--- /dev/null
+++ b/src/util/crypto_helper_common.c
@@ -0,0 +1,51 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file util/secmod_common.c
+ * @brief Common functions for the exchange security modules
+ * @author Florian Dold <dold@taler.net>
+ */
+#include "platform.h"
+#include "taler_util.h"
+#include "taler_signatures.h"
+
+
+enum GNUNET_GenericReturnValue
+TALER_crypto_helper_send_all (int sock,
+                              const void *buf,
+                              size_t buf_size)
+{
+  size_t off = 0;
+
+  while (off < buf_size)
+  {
+    ssize_t ret;
+
+    ret = send (sock,
+                buf + off,
+                buf_size - off,
+                0);
+    if (ret < 0)
+    {
+      if (EINTR == errno)
+        continue;
+      return GNUNET_SYSERR;
+    }
+    GNUNET_assert (ret > 0);
+    off += ret;
+  }
+  return GNUNET_OK;
+}
diff --git a/src/util/crypto_helper_common.h b/src/util/crypto_helper_common.h
new file mode 100644
index 00000000..cf8b2814
--- /dev/null
+++ b/src/util/crypto_helper_common.h
@@ -0,0 +1,41 @@
+/*
+  This file is part of GNU Taler
+  Copyright (C) 2021 Taler Systems SA
+
+  GNU Taler is free software; you can redistribute it and/or modify it under 
the
+  terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  TALER; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file util/crypto_helper_common.h
+ * @brief Common functions for the exchange security modules
+ * @author Florian Dold <dold@taler.net>
+ */
+#ifndef CRYPTO_HELPER_COMMON_H
+#define CRYPTO_HELPER_COMMON_H
+
+#include <gnunet/gnunet_util_lib.h>
+#include <gnunet/gnunet_network_lib.h>
+
+/**
+ * Send all @a buf_size bytes from @a buf to @a sock.
+ *
+ * @param sock socket to send on
+ * @param buf data to send
+ * @param buf_size number of bytes in @a buf
+ * @return #GNUNET_OK on success
+ */
+enum GNUNET_GenericReturnValue
+TALER_crypto_helper_send_all (int sock,
+                              const void *buf,
+                              size_t buf_size);
+
+#endif

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