diff options
| -rw-r--r-- | findutils/grep.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/findutils/grep.c b/findutils/grep.c index f72175a..fc6de4b 100644 --- a/findutils/grep.c +++ b/findutils/grep.c @@ -639,11 +639,28 @@ static void load_regexes_from_file(llist_t *fopt) } static int FAST_FUNC file_action_grep(const char *filename, - struct stat *statbuf UNUSED_PARAM, + struct stat *statbuf, void* matched, int depth UNUSED_PARAM) { - FILE *file = fopen_for_read(filename); + FILE *file; + + /* If we are given a link to a directory, we should bail out now, rather + * than trying to open the "file" and hoping getline gives us nothing, + * since that is not portable across operating systems (FreeBSD for + * example will return the raw directory contents). */ + if (S_ISLNK(statbuf->st_mode)) { + struct stat sb; + if (stat(filename, &sb) != 0) { + if (!SUPPRESS_ERR_MSGS) + bb_simple_perror_msg(filename); + return 0; + } + if (S_ISDIR(sb.st_mode)) + return 1; + } + + file = fopen_for_read(filename); if (file == NULL) { if (!SUPPRESS_ERR_MSGS) bb_simple_perror_msg(filename); |