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authorUlrich Drepper <drepper@redhat.com>2010-03-24 11:58:05 -0700
committerUlrich Drepper <drepper@redhat.com>2010-03-24 11:58:05 -0700
commit8f2e39941309c1a590e71b9a8035dbbc7e587fae (patch)
tree99eaa2aade2538519497d013f2582b3c10fbec48 /posix/glob.c
parent4ad43b62d6b893e73d5af72565f23c064b9c59b5 (diff)
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Fix glob with empty pattern
Diffstat (limited to 'posix/glob.c')
-rw-r--r--posix/glob.c48
1 files changed, 27 insertions, 21 deletions
diff --git a/posix/glob.c b/posix/glob.c
index 73081ec..3ae055d 100644
--- a/posix/glob.c
+++ b/posix/glob.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2002, 2003, 2004, 2005, 2006, 2007, 2008
+/* Copyright (C) 1991-2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@@ -418,6 +418,24 @@ glob (pattern, flags, errfunc, pglob)
}
}
+ if (!(flags & GLOB_APPEND))
+ {
+ pglob->gl_pathc = 0;
+ if (!(flags & GLOB_DOOFFS))
+ pglob->gl_pathv = NULL;
+ else
+ {
+ size_t i;
+ pglob->gl_pathv = (char **) malloc ((pglob->gl_offs + 1)
+ * sizeof (char *));
+ if (pglob->gl_pathv == NULL)
+ return GLOB_NOSPACE;
+
+ for (i = 0; i <= pglob->gl_offs; ++i)
+ pglob->gl_pathv[i] = NULL;
+ }
+ }
+
/* Find the filename. */
filename = strrchr (pattern, '/');
#if defined __MSDOS__ || defined WINDOWS32
@@ -445,6 +463,12 @@ glob (pattern, flags, errfunc, pglob)
}
else
{
+ if (__builtin_expect (pattern[0] == '\0', 0))
+ {
+ dirs.gl_pathv = NULL;
+ goto no_matches;
+ }
+
filename = pattern;
#ifdef _AMIGA
dirname = "";
@@ -492,7 +516,7 @@ glob (pattern, flags, errfunc, pglob)
if (filename[0] == '\0'
#if defined __MSDOS__ || defined WINDOWS32
- && dirname[dirlen - 1] != ':'
+ && dirname[dirlen - 1] != ':'
&& (dirlen < 3 || dirname[dirlen - 2] != ':'
|| dirname[dirlen - 1] != '/')
#endif
@@ -529,24 +553,6 @@ glob (pattern, flags, errfunc, pglob)
}
}
- if (!(flags & GLOB_APPEND))
- {
- pglob->gl_pathc = 0;
- if (!(flags & GLOB_DOOFFS))
- pglob->gl_pathv = NULL;
- else
- {
- size_t i;
- pglob->gl_pathv = (char **) malloc ((pglob->gl_offs + 1)
- * sizeof (char *));
- if (pglob->gl_pathv == NULL)
- return GLOB_NOSPACE;
-
- for (i = 0; i <= pglob->gl_offs; ++i)
- pglob->gl_pathv[i] = NULL;
- }
- }
-
oldcount = pglob->gl_pathc + pglob->gl_offs;
#ifndef VMS
@@ -564,7 +570,7 @@ glob (pattern, flags, errfunc, pglob)
# else
# ifdef WINDOWS32
if (home_dir == NULL || home_dir[0] == '\0')
- home_dir = "c:/users/default"; /* poor default */
+ home_dir = "c:/users/default"; /* poor default */
# else
if (home_dir == NULL || home_dir[0] == '\0')
{