From f435f0412aa4ca631aa178d10ed33008e34f37cb Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Wed, 10 Feb 2016 21:05:22 -0600
Subject: Factor out strnstr() since posix hasn't got it, and add a config
 option for the deeply sad passwd heuristics that don't even check numbers and
 punctuation.

---
 lib/lib.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'lib/lib.c')

diff --git a/lib/lib.c b/lib/lib.c
index 6559030c..681d4d23 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -1033,3 +1033,14 @@ char *next_printf(char *s, char **start)
 
   return 0;
 }
+
+// Posix inexplicably hasn't got this, so find str in line.
+char *strnstr(char *line, char *str)
+{
+  long len = strlen(str);
+  char *s;
+
+  for (s = line; *s; s++) if (!strncasecmp(s, str, len)) break;
+
+  return *s ? s : 0;
+}
-- 
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