diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ChangeLog | 5 | ||||
| -rw-r--r-- | lib/cycle-check.h | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/lib/ChangeLog b/lib/ChangeLog index 1ce4084af..ab12de5f3 100644 --- a/lib/ChangeLog +++ b/lib/ChangeLog @@ -1,3 +1,8 @@ +2006-07-03 Jim Meyering <jim@meyering.net> + + * cycle-check.h (CYCLE_CHECK_REFLECT_CHDIR_UP): Abort if this + macro is used before the first cycle_check call. + 2006-07-02 Paul Eggert <eggert@cs.ucla.edu> * stdint_.h (intmax_t, uintmax_t): Prefer long to long long if diff --git a/lib/cycle-check.h b/lib/cycle-check.h index b137a60a8..927f3e51f 100644 --- a/lib/cycle-check.h +++ b/lib/cycle-check.h @@ -45,6 +45,9 @@ bool cycle_check (struct cycle_check_state *state, struct stat const *sb); # define CYCLE_CHECK_REFLECT_CHDIR_UP(State, SB_dir, SB_subdir) \ do \ { \ + /* You must call cycle_check at least once before using this macro. */ \ + if ((State)->chdir_counter == 0) \ + abort (); \ if (SAME_INODE ((State)->dev_ino, SB_subdir)) \ { \ (State)->dev_ino.st_dev = (SB_dir).st_dev; \ |