diff options
| -rw-r--r-- | lib/xgetcwd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/xgetcwd.c b/lib/xgetcwd.c index c01491a48..ed425200d 100644 --- a/lib/xgetcwd.c +++ b/lib/xgetcwd.c @@ -48,8 +48,11 @@ char *getwd (); #include "xalloc.h" #include "xgetcwd.h" -/* Return the current directory, newly allocated, arbitrarily long. - Return NULL and set errno on error. */ +/* Return the current directory, newly allocated, assuming it fits + within PATH_MAX bytes -- this is a common system-imposed limit + on how getcwd works. + Upon an out-of-memory error, call xalloc_die. + Upon any other type of error, return NULL. */ char * xgetcwd (void) |