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2004-10-19  Alfred M. Szmidt  <ams@gnu.org>

	* sysdeps/generic/readonly-area.c (__readonly_str): Renamed to ...
	(__readonly_area): ... this.
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Ulrich Drepper 2004-10-19 21:45:14 +00:00
parent 708c687a6f
commit 1866ae9455
2 changed files with 15 additions and 5 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2004-10-19 Alfred M. Szmidt <ams@gnu.org>
* sysdeps/generic/readonly-area.c (__readonly_str): Renamed to ...
(__readonly_area): ... this.
2004-10-18 Jakub Jelinek <jakub@redhat.com> 2004-10-18 Jakub Jelinek <jakub@redhat.com>
* sysdeps/generic/strcpy_chk.c (__strcpy_chk): Speed up by checking * sysdeps/generic/strcpy_chk.c (__strcpy_chk): Speed up by checking

15
sysdeps/generic/readonly-area.c
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@ -16,14 +16,19 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */ 02111-1307 USA. */
#include <stdlib.h>
/* Return 1 if the whole area PTR .. PTR+SIZE is not writable. /* Return 1 if the whole area PTR .. PTR+SIZE is not writable.
Return -1 if it is writable. */ Return -1 if it is writable. */
#include <stdlib.h>
int int
__readonly_str (const void *ptr, size_t size) __readonly_area (const void *ptr, size_t size)
{ {
/* The conservative answer is that all strings are writable. */ /* We cannot determine in general whether memory is writable or not.
return -1; This must be handled in a system-dependent manner. to not
unconditionally break code we need to return here a positive
answer. This disables this security measure but that is the
price people have to pay for using systems without a real
implementation of this interface. */
return 1;
} }