src/vendor/libssh2-sys/libssh2/src/version.c

   1 /* Copyright (C) 2009 Daniel Stenberg.  All rights reserved.
   2  *
   3  * Redistribution and use in source and binary forms,
   4  * with or without modification, are permitted provided
   5  * that the following conditions are met:
   6  *
   7  *   Redistributions of source code must retain the above
   8  *   copyright notice, this list of conditions and the
   9  *   following disclaimer.
  10  *
  11  *   Redistributions in binary form must reproduce the above
  12  *   copyright notice, this list of conditions and the following
  13  *   disclaimer in the documentation and/or other materials
  14  *   provided with the distribution.
  15  *
  16  *   Neither the name of the copyright holder nor the names
  17  *   of any other contributors may be used to endorse or
  18  *   promote products derived from this software without
  19  *   specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  22  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  23  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  26  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  27  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  28  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  31  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  32  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  33  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  34  * OF SUCH DAMAGE.
  35  *
  36  */
  37
  38 #include "libssh2_priv.h"
  39
  40 /*
  41   libssh2_version() can be used like this:
  42
  43   if (!libssh2_version(LIBSSH2_VERSION_NUM)) {
  44     fprintf (stderr, "Runtime libssh2 version too old!\n");
  45     exit(1);
  46   }
  47 */
  48 LIBSSH2_API
  49 const char *libssh2_version(int req_version_num)
  50 {
  51     if(req_version_num <= LIBSSH2_VERSION_NUM)
  52         return LIBSSH2_VERSION;
  53     return NULL; /* this is not a suitable library! */
  54 }