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| author | Jim Meyering <jim@meyering.net> | 2006-07-03 15:20:23 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 2006-07-03 15:20:23 +0000 |
| commit | 1a29d221b8c83adf79cdf4db0a58a23e58202e5f (patch) | |
| tree | c310da2630d7e4b57e347d0b5b586327dd66a26d /lib/cycle-check.h | |
| parent | a47c5ca291f51f1efcf3322b7e0aa0e31e6404e8 (diff) | |
| download | coreutils-1a29d221b8c83adf79cdf4db0a58a23e58202e5f.tar.xz | |
* 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 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; \ |