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| author | Nico Weber <nicolasweber@gmx.de> | 2012-05-08 15:37:27 (GMT) |
|---|---|---|
| committer | Nico Weber <nicolasweber@gmx.de> | 2012-05-08 15:37:27 (GMT) |
| commit | fadd5a3e8073ad08662cdf86bd1c9ab624667f4c (patch) | |
| tree | 4a092eaa1a59393fa956db0a0cba2f3ed3f748b0 /src/build_log.cc | |
| parent | ff16370b605c3f668444484eaea2c10a0b62b72f (diff) | |
| download | Ninja-fadd5a3e8073ad08662cdf86bd1c9ab624667f4c.zip Ninja-fadd5a3e8073ad08662cdf86bd1c9ab624667f4c.tar.gz Ninja-fadd5a3e8073ad08662cdf86bd1c9ab624667f4c.tar.bz2 | |
Don't write ninja log header to log on every build on Windows.
Diffstat (limited to 'src/build_log.cc')
| -rw-r--r-- | src/build_log.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/build_log.cc b/src/build_log.cc index d30625a..b743f70 100644 --- a/src/build_log.cc +++ b/src/build_log.cc @@ -66,6 +66,10 @@ bool BuildLog::OpenForWrite(const string& path, string* err) { setvbuf(log_file_, NULL, _IOLBF, BUFSIZ); SetCloseOnExec(fileno(log_file_)); + // Opening a file in append mode doesn't set the file pointer to the file's + // end on Windows. Do that explicitly. + fseek(log_file_, 0, SEEK_END); + if (ftell(log_file_) == 0) { if (fprintf(log_file_, kFileSignature, kCurrentVersion) < 0) { *err = strerror(errno); |