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unnecessary with stratcliff

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Roland McGrath 2002-09-23 04:13:42 +00:00
parent df075e0920
commit 2e35d8c8e1
3 changed files with 1 additions and 59 deletions
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5
ChangeLog
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@ -1,8 +1,3 @@
2002-09-22 Roland McGrath <roland@redhat.com>
* string/bug-stpncpy-offend.c: New file.
* string/Makefile (tests): Add it.
2002-09-21 Carlos O'Donell <carlos@baldric.uwo.ca>
* sysdeps/hppa/abort-instr.h: New file.

2
string/Makefile
View file

@ -48,7 +48,7 @@ o-objects.ob := memcpy.o memset.o memchr.o
tests := tester inl-tester noinl-tester testcopy test-ffs \
tst-strlen stratcliff tst-svc tst-inlcall \
bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap \
tst-strtok tst-strxfrm bug-strcoll1 bug-stpncpy-offend
tst-strtok tst-strxfrm bug-strcoll1
distribute := memcopy.h pagecopy.h tst-svc.expect

53
string/bug-stpncpy-offend.c
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@ -1,53 +0,0 @@
/* Test program for stpncpy reading off the end of the source string. */
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
static int do_test (void);
#define TEST_FUNCTION do_test ()
#include <test-skeleton.c>
static int
do_test (void)
{
/* We get two pages of memory and then protect the second one so
we are sure to fault if we access past the end of the first page.
Then we test the odd-size string ending just on the page boundary. */
static const char test_string[] = "Seven.";
const size_t pagesz = getpagesize ();
char *buf = mmap (NULL, pagesz * 2,
PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0);
char *s1, *r;
volatile size_t len = sizeof test_string;
if (buf == MAP_FAILED)
{
perror ("mmap");
return 1;
}
if (mprotect (buf + pagesz, pagesz, PROT_NONE) != 0)
{
perror ("mprotect");
return 2;
}
s1 = buf + pagesz - sizeof test_string;
memcpy (s1, test_string, sizeof test_string);
r = stpncpy (buf, s1, len);
if (r != buf + len - 1)
{
printf ("r = buf + %d != %zu\n", r - buf, len - 1);
return 3;
}
r = stpncpy (s1, buf, len);
if (r != s1 + len - 1)
{
printf ("r = s1 + %d != %zu\n", r - s1, len - 1);
return 3;
}
return 0;
}