AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-25 06:20:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

* string/stratcliff.c (do_test): Test for zero length

Browse Source 
STRNLEN, MEMCHR, STRNCPY, STPNCPY, MEMCPY, MEMPCPY and memccpy
	at the end of the page.
This commit is contained in:
Ulrich Drepper 2009-05-09 14:45:07 +00:00
parent 4300afc169
commit 15417de3e0
2 changed files with 33 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ChangeLog
View File

@ -1,3 +1,9 @@
2009-05-09 Jakub Jelinek <jakub@redhat.com>
* string/stratcliff.c (do_test): Test for zero length
STRNLEN, MEMCHR, STRNCPY, STPNCPY, MEMCPY, MEMPCPY and memccpy
at the end of the page.
2009-05-08 Ulrich Drepper <drepper@redhat.com> 2009-05-08 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_AT_RANDOM. * sysdeps/unix/sysv/linux/kernel-features.h: Define __ASSUME_AT_RANDOM.

36
string/stratcliff.c
View File

@ -129,10 +129,10 @@ do_test (void)
} }
for (outer = nchars; outer >= MAX (0, nchars - 128); --outer) for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
{ {
for (inner = MAX (outer, nchars - 64); inner < nchars; ++inner) for (inner = MAX (outer, nchars - 64); inner <= nchars; ++inner)
{ {
if (STRNLEN (&adr[outer], inner - outer + 1) if (STRNLEN (&adr[outer], inner - outer)
!= (size_t) (inner - outer + 1)) != (size_t) (inner - outer))
{ {
printf ("%s flunked bounded for outer = %d, inner = %d\n", printf ("%s flunked bounded for outer = %d, inner = %d\n",
STRINGIFY (STRNLEN), outer, inner); STRINGIFY (STRNLEN), outer, inner);
@ -225,7 +225,7 @@ do_test (void)
adr[middle] = L('T'); adr[middle] = L('T');
} }
} }
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
{ {
CHAR *cp = MEMCHR (&adr[outer], L('V'), nchars - outer); CHAR *cp = MEMCHR (&adr[outer], L('V'), nchars - outer);
@ -279,9 +279,9 @@ do_test (void)
} }
} }
/* strncpy tests */ /* strncpy/wcsncpy tests */
adr[nchars - 1] = L('T'); adr[nchars - 1] = L('T');
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
{ {
size_t len; size_t len;
@ -355,6 +355,24 @@ do_test (void)
} }
/* stpncpy/wcpncpy test */ /* stpncpy/wcpncpy test */
adr[nchars - 1] = L('T');
for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
{
size_t len;
for (len = 0; len < nchars - outer; ++len)
{
if (STPNCPY (dest, &adr[outer], len) != dest + len
|| MEMCMP (dest, &adr[outer], len) != 0)
{
printf ("outer %s flunked for outer = %d, len = %Zd\n",
STRINGIFY (STPNCPY), outer, len);
result = 1;
}
}
}
adr[nchars - 1] = L('\0');
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer)
{ {
for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle) for (middle = MAX (outer, nchars - 64); middle < nchars; ++middle)
@ -378,7 +396,7 @@ do_test (void)
} }
/* memcpy/wmemcpy test */ /* memcpy/wmemcpy test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
for (inner = 0; inner < nchars - outer; ++inner) for (inner = 0; inner < nchars - outer; ++inner)
if (MEMCPY (dest, &adr[outer], inner) != dest) if (MEMCPY (dest, &adr[outer], inner) != dest)
{ {
@ -388,7 +406,7 @@ do_test (void)
} }
/* mempcpy/wmempcpy test */ /* mempcpy/wmempcpy test */
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
for (inner = 0; inner < nchars - outer; ++inner) for (inner = 0; inner < nchars - outer; ++inner)
if (MEMPCPY (dest, &adr[outer], inner) != dest + inner) if (MEMPCPY (dest, &adr[outer], inner) != dest + inner)
{ {
@ -401,7 +419,7 @@ do_test (void)
#ifndef WCSTEST #ifndef WCSTEST
/* memccpy test */ /* memccpy test */
memset (adr, '\0', nchars); memset (adr, '\0', nchars);
for (outer = nchars - 1; outer >= MAX (0, nchars - 128); --outer) for (outer = nchars; outer >= MAX (0, nchars - 128); --outer)
for (inner = 0; inner < nchars - outer; ++inner) for (inner = 0; inner < nchars - outer; ++inner)
if (memccpy (dest, &adr[outer], L('\1'), inner) != NULL) if (memccpy (dest, &adr[outer], L('\1'), inner) != NULL)
{ {