diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | stdlib/tst-environ.c | 47 | ||||
| -rw-r--r-- | sysdeps/generic/setenv.c | 6 |
3 files changed, 60 insertions, 1 deletions
@@ -1,3 +1,11 @@ +2004-06-09 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/generic/setenv.c (setenv): Return -1/EINVAL if name is + NULL, "" or contains '=' character in it. Reported by + Michael T Kerrisk <mtk-lists@gmx.net>. + * stdlib/tst-environ.c: Include errno.h. + (main): Add tests for these arguments to setenv/unsetenv. + 2004-06-07 Roland McGrath <roland@frob.com> * NEWS: Update bug reporting instructions. Fix some typos. diff --git a/stdlib/tst-environ.c b/stdlib/tst-environ.c index 52c26e8..6dd9a40 100644 --- a/stdlib/tst-environ.c +++ b/stdlib/tst-environ.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +16,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -173,5 +174,49 @@ main (void) result = 1; } + /* Both setenv and unsetenv should return -1/EINVAL for NULL or "" name + or if name contains '=' character. */ + errno = 0; + if (setenv (NULL, "val", 1) >= 0 || errno != EINVAL) + { + puts ("setenv #4 failed"); + result = 1; + } + + errno = 0; + if (setenv ("", "val", 0) >= 0 || errno != EINVAL) + { + puts ("setenv #5 failed"); + result = 1; + } + + errno = 0; + if (setenv ("var=val", "val", 1) >= 0 || errno != EINVAL) + { + puts ("setenv #6 failed"); + result = 1; + } + + errno = 0; + if (unsetenv (NULL) >= 0 || errno != EINVAL) + { + puts ("unsetenv #1 failed"); + result = 1; + } + + errno = 0; + if (unsetenv ("") >= 0 || errno != EINVAL) + { + puts ("unsetenv #2 failed"); + result = 1; + } + + errno = 0; + if (unsetenv ("x=y") >= 0 || errno != EINVAL) + { + puts ("unsetenv #3 failed"); + result = 1; + } + return result; } diff --git a/sysdeps/generic/setenv.c b/sysdeps/generic/setenv.c index a197713..48aaecf 100644 --- a/sysdeps/generic/setenv.c +++ b/sysdeps/generic/setenv.c @@ -265,6 +265,12 @@ setenv (name, value, replace) const char *value; int replace; { + if (name == NULL || *name == '\0' || strchr (name, '=') != NULL) + { + __set_errno (EINVAL); + return -1; + } + return __add_to_environ (name, value, NULL, replace); } |