in glob() initialize the glob_t before the first failure check.

from j@pureftpd.org
ok millert stsp

diff --git a/lib/libc/gen/glob.c b/lib/libc/gen/glob.c
index a046ed6..27003b3 100644 (file)
--- a/lib/libc/gen/glob.c
+++ b/lib/libc/gen/glob.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: glob.c,v 1.42 2015/02/05 12:59:57 millert Exp $ */
+/*     $OpenBSD: glob.c,v 1.43 2015/06/13 16:57:04 deraadt Exp $ */
 /*
  * Copyright (c) 1989, 1993
  *     The Regents of the University of California.  All rights reserved.
@@ -175,9 +175,6 @@ glob(const char *pattern, int flags, int (*errfunc)(const char *, int),
        Char *bufnext, *bufend, patbuf[PATH_MAX];
        struct glob_lim limit = { 0, 0, 0 };
 
-       if (strnlen(pattern, PATH_MAX) == PATH_MAX)
-               return(GLOB_NOMATCH);
-
        patnext = (u_char *) pattern;
        if (!(flags & GLOB_APPEND)) {
                pglob->gl_pathc = 0;
@@ -190,6 +187,9 @@ glob(const char *pattern, int flags, int (*errfunc)(const char *, int),
        pglob->gl_errfunc = errfunc;
        pglob->gl_matchc = 0;
 
+       if (strnlen(pattern, PATH_MAX) == PATH_MAX)
+               return(GLOB_NOMATCH);
+
        if (pglob->gl_offs < 0 || pglob->gl_pathc < 0 ||
            pglob->gl_offs >= INT_MAX || pglob->gl_pathc >= INT_MAX ||
            pglob->gl_pathc >= INT_MAX - pglob->gl_offs - 1)