replace strstr_lower(), which cause buffer overflow with strcasestr()

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@2474 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

3 files changed, 2 insertions, 11 deletions

diff --git a/mbbsd/announce.c b/mbbsd/announce.c
index aad29a92..2e74c9dd 100644
--- a/mbbsd/announce.c
+++ b/mbbsd/announce.c
@@ -113,7 +113,7 @@ a_searchtitle(menu_t * pm, int rev)
 	    pm->page = pos - pos % p_lines;
 	    a_loadname(pm);
 	}
-	if (strstr_lower(pm->header[pos - pm->page].title, search_str))
+	if (strcasestr(pm->header[pos - pm->page].title, search_str))
 	    return pos;
     } while (pos != pm->now);
     return pm->now;
diff --git a/mbbsd/indict.c b/mbbsd/indict.c
index 317fb5b0..ba1d84e8 100644
--- a/mbbsd/indict.c
+++ b/mbbsd/indict.c
@@ -126,7 +126,7 @@ use_dict(char *dict,char *database)
 		    f = 1;
 		} else
 		    f = 0;
-		if (strstr_lower(lang, word)) {
+		if (strcasestr(lang, word)) {
 		    if (f == 1)
 			lang[65] = '[';
 		    outs(lang);
diff --git a/mbbsd/stuff.c b/mbbsd/stuff.c
index 602c9b4b..c9f31e7d 100644
--- a/mbbsd/stuff.c
+++ b/mbbsd/stuff.c
@@ -138,15 +138,6 @@ str_lower(char *t, char *s)
     } while (ch);
 }
 
-void *
-strstr_lower(char *str, char *tag)
-{
-    char            buf[STRLEN];
-
-    str_lower(buf, str);
-    return strstr(buf, tag);
-}
-
 /**
  * 移除字串 buf 後端多餘的空白。
  * @param buf