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author | Evan Martin <martine@danga.com> | 2012-10-30 16:40:59 (GMT) |
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committer | Evan Martin <martine@danga.com> | 2013-02-16 23:15:20 (GMT) |
commit | 10f3e17b6dc7718ab00552300871bbfe49854c8b (patch) | |
tree | 94d4e3bfe8bf9d5daf5292b0d79d059789d7e1fc /src/version.cc | |
parent | 27f7528ebdae1586501fb083f8d5d3be711bb367 (diff) | |
download | Ninja-10f3e17b6dc7718ab00552300871bbfe49854c8b.zip Ninja-10f3e17b6dc7718ab00552300871bbfe49854c8b.tar.gz Ninja-10f3e17b6dc7718ab00552300871bbfe49854c8b.tar.bz2 |
add syntax for checking versions
Diffstat (limited to 'src/version.cc')
-rw-r--r-- | src/version.cc | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/version.cc b/src/version.cc new file mode 100644 index 0000000..7e805c1 --- /dev/null +++ b/src/version.cc @@ -0,0 +1,56 @@ +// Copyright 2013 Google Inc. All Rights Reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "version.h" + +#include <stdlib.h> + +#include "util.h" + +const char* kNinjaVersion = "1.1.0.git"; + +void ParseVersion(const string& version, int* major, int* minor) { + size_t end = version.find('.'); + *major = atoi(version.substr(0, end).c_str()); + *minor = 0; + if (end != string::npos) { + size_t start = end + 1; + end = version.find(start, '.'); + *minor = atoi(version.substr(start, end).c_str()); + } +} + +void CheckNinjaVersion(const string& version) { + int bin_major, bin_minor; + ParseVersion(kNinjaVersion, &bin_major, &bin_minor); + int file_major, file_minor; + ParseVersion(version, &file_major, &file_minor); + + if (bin_major > file_major) { + Warning("ninja executable version (%s) greater than build file " + "ninja_required_version (%s); versions may be incompatible.", + kNinjaVersion, version.c_str()); + return; + } + + if ((bin_major == file_major && bin_minor < file_minor) || + bin_major < file_major) { + Fatal("ninja version (%s) incompatible with build file " + "ninja_required_version version (%s).", + kNinjaVersion, version.c_str()); + } +} + + + |