lib/librte_eal/common/include/rte_version.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 /**
   6  * @file
   7  * Definitions of DPDK version numbers
   8  */
   9
  10 #ifndef _RTE_VERSION_H_
  11 #define _RTE_VERSION_H_
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 #include <stdint.h>
  18 #include <string.h>
  19 #include <stdio.h>
  20 #include <rte_common.h>
  21
  22 /**
  23  * Macro to compute a version number usable for comparisons
  24  */
  25 #define RTE_VERSION_NUM(a,b,c,d) ((a) << 24 | (b) << 16 | (c) << 8 | (d))
  26
  27 /**
  28  * All version numbers in one to compare with RTE_VERSION_NUM()
  29  */
  30 #define RTE_VERSION RTE_VERSION_NUM( \
  31                         RTE_VER_YEAR, \
  32                         RTE_VER_MONTH, \
  33                         RTE_VER_MINOR, \
  34                         RTE_VER_RELEASE)
  35
  36 /**
  37  * Function returning version string
  38  * @return
  39  *     string
  40  */
  41 static inline const char *
  42 rte_version(void)
  43 {
  44         static char version[32];
  45         if (version[0] != 0)
  46                 return version;
  47         if (strlen(RTE_VER_SUFFIX) == 0)
  48                 snprintf(version, sizeof(version), "%s %d.%02d.%d",
  49                         RTE_VER_PREFIX,
  50                         RTE_VER_YEAR,
  51                         RTE_VER_MONTH,
  52                         RTE_VER_MINOR);
  53         else
  54                 snprintf(version, sizeof(version), "%s %d.%02d.%d%s%d",
  55                         RTE_VER_PREFIX,
  56                         RTE_VER_YEAR,
  57                         RTE_VER_MONTH,
  58                         RTE_VER_MINOR,
  59                         RTE_VER_SUFFIX,
  60                         RTE_VER_RELEASE);
  61         return version;
  62 }
  63
  64 #ifdef __cplusplus
  65 }
  66 #endif
  67
  68 #endif /* RTE_VERSION_H */