commit 24b1cc829fef3a2501ace6ac7e803e3642de45ad
author Rob Landley <rob@landley.net> Sat Jun 10 13:17:31 2017 -0500
committer Rob Landley <rob@landley.net> Sat Jun 10 13:17:31 2017 -0500
tree a9bedd1e2c9d733c0a1540ad666960e9be9c9b84
parent 1f33eeb683e729681419c29ac831c6e71e6774fa

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

toys/posix/grep.c

diff --git a/toys/posix/grep.c b/toys/posix/grep.c
index a95203a..c7b44e5 100644
--- a/toys/posix/grep.c
+++ b/toys/posix/grep.c
@@ -81,12 +81,18 @@
 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;