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-rw-r--r--build2/cc/lexer.cxx2
-rw-r--r--build2/depdb.cxx4
2 files changed, 4 insertions, 2 deletions
diff --git a/build2/cc/lexer.cxx b/build2/cc/lexer.cxx
index d1a9115..15627c7 100644
--- a/build2/cc/lexer.cxx
+++ b/build2/cc/lexer.cxx
@@ -118,7 +118,7 @@ namespace build2
// Increment the logical line similar to how base will increment the
// physical (the column counts are the same).
//
- if (log_line_ && c == '\n' && !unget_ && !unpeek_)
+ if (log_line_ && c == '\n' && !unget_)
++*log_line_;
base::get (c);
diff --git a/build2/depdb.cxx b/build2/depdb.cxx
index f89daba..c963387 100644
--- a/build2/depdb.cxx
+++ b/build2/depdb.cxx
@@ -117,7 +117,9 @@ namespace build2
if (trunc)
fdtruncate (fd.get (), pos_);
- // Note: seek is required to switch from reading to writing.
+ // Note: the file descriptor position can be beyond the pos_ value due to
+ // the ifdstream buffering. That's why we need to seek to switch from
+ // reading to writing.
//
fdseek (fd.get (), pos_, fdseek_mode::set);