From: Ben Pfaff <blp@cs.stanford.edu>
Date: Sat, 18 Sep 2004 06:34:27 +0000 (+0000)
Subject: Clarify strtok_r() description.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pintos-anon;a=commitdiff_plain;h=a12e4a2ae8213537508f41088acc59b019ea672c

Clarify strtok_r() description.
---

diff --git a/src/lib/string.c b/src/lib/string.c
index bec4444..cb042f0 100644
--- a/src/lib/string.c
+++ b/src/lib/string.c
@@ -212,7 +212,9 @@ strstr (const char *haystack, const char *needle)
    single string.
 
    strtok_r() modifies the string S, changing delimiters to null
-   bytes.  Thus, S must be a modifiable string.
+   bytes.  Thus, S must be a modifiable string.  String literals,
+   in particular, are *not* modifiable in C, even though for
+   backward compatibility they are not `const'.
 
    Example usage: