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* sysdeps/generic/setenv.c (setenv): Return -1/EINVAL if name is

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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.
This commit is contained in:
Roland McGrath
2004-06-09 18:33:36 +00:00
parent 616340ca42
commit e17f8b6119
3 changed files with 60 additions and 1 deletions
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47
stdlib/tst-environ.c
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@@ -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;
}