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* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2022-10-04 13:02 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-10-04 13:02 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a816e0a4b236c11b8c21890c5af0a21c0e902237
commit a816e0a4b236c11b8c21890c5af0a21c0e902237
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 62cfa97d06..9546a03944 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2024-04-17 20:10 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2024-04-17 20:10 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=790e19f1d14a247289e18842c9d8e7c0ca1d7b79
commit 790e19f1d14a247289e18842c9d8e7c0ca1d7b79
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 3dd22a4e03..458627bac1 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2024-04-02 15:56 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2024-04-02 15:56 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2eee91a4d704b811168649955a7210b8cccea165
commit 2eee91a4d704b811168649955a7210b8cccea165
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 3dd22a4e03..458627bac1 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2024-02-09 17:34 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2024-02-09 17:34 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e295575a073fb0105f8bc3053566c0274aee67c9
commit e295575a073fb0105f8bc3053566c0274aee67c9
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 3dd22a4e03..458627bac1 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2024-02-07 14:10 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2024-02-07 14:10 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=56cd19161315921f3a35768b7116dd4a2aab62f1
commit 56cd19161315921f3a35768b7116dd4a2aab62f1
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 3dd22a4e03..458627bac1 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2024-01-29 18:00 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2024-01-29 18:00 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=00af0f69bf7e832cef031293e2b5134b36656a5b
commit 00af0f69bf7e832cef031293e2b5134b36656a5b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 3dd22a4e03..458627bac1 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2023-12-21 18:57 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2023-12-21 18:57 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bd1d349c8b2c443bc7a2927ddb8952df5d2ee3a8
commit bd1d349c8b2c443bc7a2927ddb8952df5d2ee3a8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 39cf34cd4d..b177956ca6 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2023-09-28 17:55 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2023-09-28 17:55 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7438bae37bc2678b200eaa9366dfcbbd8fd5b7c7
commit 7438bae37bc2678b200eaa9366dfcbbd8fd5b7c7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 39cf34cd4d..b177956ca6 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2023-08-30 12:39 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2023-08-30 12:39 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f60321baf6872a8ee3964dff1f73091729ffe701
commit f60321baf6872a8ee3964dff1f73091729ffe701
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 39cf34cd4d..b177956ca6 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2023-02-09 19:51 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2023-02-09 19:51 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9c4af6e72887b35516e3b864af196ddf8971f9b8
commit 9c4af6e72887b35516e3b864af196ddf8971f9b8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 39cf34cd4d..b177956ca6 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c
@ 2022-10-28 17:44 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-10-28 17:44 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e24e83ef45222b722f54ec0d7ffa11653fd62b4d
commit e24e83ef45222b722f54ec0d7ffa11653fd62b4d
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Mar 25 09:03:03 2022 -0300
dirent: Remove variable lenght array structure for tst-getdents64.c
Clang emits the following warnings:
../sysdeps/unix/sysv/linux/tst-getdents64.c:111:18: error: fields must
have a constant size: 'variable length array in structure' extension
will never be supported
char buffer[buffer_size];
^
Diff:
---
sysdeps/unix/sysv/linux/tst-getdents64.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/tst-getdents64.c b/sysdeps/unix/sysv/linux/tst-getdents64.c
index 62cfa97d06..9546a03944 100644
--- a/sysdeps/unix/sysv/linux/tst-getdents64.c
+++ b/sysdeps/unix/sysv/linux/tst-getdents64.c
@@ -96,6 +96,8 @@ do_test_by_size (size_t buffer_size)
int fd = xopen (".", O_RDONLY | O_DIRECTORY, 0);
TEST_VERIFY (fd >= 0);
+ char *data = xposix_memalign (_Alignof (struct dirent64), buffer_size);
+
/* Perform two passes, with a rewind operating between passes. */
for (int pass = 0; pass < 2; ++pass)
{
@@ -104,23 +106,15 @@ do_test_by_size (size_t buffer_size)
while (true)
{
- /* Simple way to make sure that the memcpy below does not read
- non-existing data. */
- struct
- {
- char buffer[buffer_size];
- struct dirent64 pad;
- } data;
-
- ssize_t ret = getdents64 (fd, &data.buffer, sizeof (data.buffer));
+ ssize_t ret = getdents64 (fd, data, buffer_size);
if (ret < 0)
FAIL_EXIT1 ("getdents64: %m");
if (ret == 0)
break;
++read_count;
- char *current = data.buffer;
- char *end = data.buffer + ret;
+ char *current = data;
+ char *end = data + ret;
while (current != end)
{
struct dirent64 entry;
^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2024-04-17 20:10 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
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2022-10-04 13:02 [glibc/azanella/clang] dirent: Remove variable lenght array structure for tst-getdents64.c Adhemerval Zanella
2022-10-28 17:44 Adhemerval Zanella
2023-02-09 19:51 Adhemerval Zanella
2023-08-30 12:39 Adhemerval Zanella
2023-09-28 17:55 Adhemerval Zanella
2023-12-21 18:57 Adhemerval Zanella
2024-01-29 18:00 Adhemerval Zanella
2024-02-07 14:10 Adhemerval Zanella
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2024-04-17 20:10 Adhemerval Zanella
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