diff options
| -rw-r--r-- | build2/utility | 28 | ||||
| -rw-r--r-- | build2/utility.cxx | 19 |
2 files changed, 38 insertions, 9 deletions
diff --git a/build2/utility b/build2/utility index 5240e4d..9245d86 100644 --- a/build2/utility +++ b/build2/utility @@ -24,8 +24,32 @@ namespace build2 extern const dir_path empty_dir_path; // Parse version string in the X.Y.Z[-{a|b}N] to a version integer in the - // AABBCCDD form as describe in <build2/version>. Throw invalid_argument - // if the passed string is not a valid version. + // AABBCCDD form, where: + // + // AA - major version number + // BB - minor version number + // CC - bugfix version number + // DD - alpha / beta (DD + 50) version number + // + // When DD is not 00, 1 is subtracted from AABBCC. For example: + // + // Version AABBCCDD + // 2.0.0 02000000 + // 2.1.0 02010000 + // 2.1.1 02010100 + // 2.2.0-a1 02019901 + // 3.0.0-b2 02999952 + // + // For a version in the 1.2.3- form, it returns (AABBCC-1)01, which is the + // lowest possible version in the 1.2.3 release set. For example: + // + // Version AABBCCDD + // 2.2.0- 02019901 + // 1.2.3- 01020201 + // + // In fact versions 1.2.3- and 1.2.3-a1 are equivalent. + // + // Throw invalid_argument if the passed string is not a valid version. // unsigned int to_version (const string&); diff --git a/build2/utility.cxx b/build2/utility.cxx index bd74e6d..3f078a7 100644 --- a/build2/utility.cxx +++ b/build2/utility.cxx @@ -61,16 +61,21 @@ namespace build2 char k (s[++p]); - if (k != 'a' && k != 'b') - bail ("'a' or 'b' expected in release component"); + if (k != '\0') + { + if (k != 'a' && k != 'b') + bail ("'a' or 'b' expected in release component"); - ab = parse (++p, "invalid release component", 1, 49); + ab = parse (++p, "invalid release component", 1, 49); - if (p != n) - bail ("junk after release component"); + if (p != n) + bail ("junk after release component"); - if (k == 'b') - ab += 50; + if (k == 'b') + ab += 50; + } + else + ab = 1; } // AABBCCDD |