Fix bug where grep stopped at first dangling symlink and error_exited().

diff --git a/toys/posix/grep.c b/toys/posix/grep.c
index a95203a..c7b44e5 100644 (file)
--- a/toys/posix/grep.c
+++ b/toys/posix/grep.c
@@ -81,12 +81,18 @@ static void outline(char *line, char dash, char *name, long lcount, long bcount,
 static void do_grep(int fd, char *name)
 {
   struct double_list *dlb = 0;
-  FILE *file = xfdopen(fd, "r");
+  FILE *file = fdopen(fd, "r");
   long lcount = 0, mcount = 0, offset = 0, after = 0, before = 0;
   char *bars = 0;
 
   if (!fd) name = "(standard input)";
 
+  if (!file) {
+    perror_msg("%s", name);
+
+    return;
+  }
+
   // Loop through lines of input
   for (;;) {
     char *line = 0, *start;