src/version.c

   1 #include <assert.h>
   2 #include <inttypes.h>
   3 #include <string.h>
   4
   5 #include "eruntime/version.h"
   6
   7 /* {{{ static version_spec_t eruntime_version = { ... } */
   8 version_spec_t eruntime_version =
   9 {
  10         .major = 0,
  11         .minor = 1,
  12         .patch = 0,
  13         .build = 0,
  14         .extra_str = "",
  15 };
  16 /* }}} */
  17
  18 /* {{{ int8_t eruntime_get_version() */
  19 int8_t
  20 eruntime_get_version (version_spec_t *vspec)
  21 {
  22         assert(vspec);
  23         if (!vspec)
  24                 return -1;
  25
  26         memcpy(vspec, &eruntime_version, sizeof(*vspec));
  27         return 0;
  28 }
  29 /* }}} */
  30
  31 /* {{{ int8_t eruntime_compare_versions() */
  32 int8_t
  33 eruntime_compare_versions (version_spec_t *vs_a, version_spec_t *vs_b)
  34 {
  35         assert(vs_a && vs_b);
  36         if (!vs_a || !vs_b)
  37                 return -1;
  38
  39         if (vs_a->major > vs_b->major)
  40                 return 1;
  41         else if (vs_a->major < vs_b->major)
  42                 return -1;
  43
  44         if (vs_a->minor > vs_b->minor)
  45                 return 1;
  46         else if (vs_a->minor < vs_b->minor)
  47                 return -1;
  48
  49         if (vs_a->patch > vs_b->patch)
  50                 return 1;
  51         else if (vs_a->patch < vs_b->patch)
  52                 return -1;
  53
  54         if (vs_a->build > vs_b->build)
  55                 return 1;
  56         else if (vs_a->build < vs_b->build)
  57                 return -1;
  58
  59         /*
  60          * TODO: Add support for comparing against ->extra_str.
  61          */
  62
  63         return 0;
  64 }
  65 /* }}} */
  66
  67 /*
  68  * vim: ts=8 sw=8 noet fdm=marker tw=80
  69  */