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| author | Paul Eggert <eggert@cs.ucla.edu> | 2006-07-04 05:59:05 +0000 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2006-07-04 05:59:05 +0000 |
| commit | ed664fa4ea5bdee8952dbcdf614b87303b8f67a1 (patch) | |
| tree | 8eb24500336a929d707656b1f61bb1d493c8c25d /lib/cycle-check.h | |
| parent | 3029cabe16d9d55bea2327bed94e071c61d2cfe0 (diff) | |
| download | gnulib-ed664fa4ea5bdee8952dbcdf614b87303b8f67a1.tar.gz | |
* cycle-check.h (CYCLE_CHECK_REFLECT_CHDIR_UP): Abort if this
macro is used before the first cycle_check call.
Diffstat (limited to 'lib/cycle-check.h')
| -rw-r--r-- | lib/cycle-check.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/cycle-check.h b/lib/cycle-check.h index b137a60a85..927f3e51f6 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; \ |