X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flib%2Fstring.c;h=cb042f02242d02a2090f6566016fb45f67c0df21;hb=18f989e9fa405e5c3bd7b5f5458e22db0e28740b;hp=bec4444670b025768485cb143edb0329de3cb60c;hpb=f2f8875638593bd5365cfd6a5ba7c9578e52322f;p=pintos-anon

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: