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authorSergey Bugaev <bugaevc@gmail.com>2023-02-12 14:10:33 +0300
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2023-02-12 15:52:07 +0100
commitf4315054b46d5e58b44a709a51943fb73f846afb (patch)
tree08dd446b613f6549260c17b3060453fa040eb4d8 /sysdeps
parent8a86e7b6a67f21294ada5bf67f3484ae3e134848 (diff)
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hurd: Use mach_msg_type_number_t where appropriate
It has been decided that on x86_64, mach_msg_type_number_t stays 32-bit. Therefore, it's not possible to use mach_msg_type_number_t interchangeably with size_t, in particular this breaks when a pointer to a variable is passed to a MIG routine. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20230212111044.610942-3-bugaevc@gmail.com>
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/mach/hurd/getcwd.c2
-rw-r--r--sysdeps/mach/hurd/readlinkat.c6
-rw-r--r--sysdeps/mach/hurd/sendfile64.c2
3 files changed, 6 insertions, 4 deletions
diff --git a/sysdeps/mach/hurd/getcwd.c b/sysdeps/mach/hurd/getcwd.c
index fc5e78e7d3..f24b35b380 100644
--- a/sysdeps/mach/hurd/getcwd.c
+++ b/sysdeps/mach/hurd/getcwd.c
@@ -117,7 +117,7 @@ __hurd_canonicalize_directory_name_internal (file_t thisdir,
int mount_point;
file_t newp;
char *dirdata;
- size_t dirdatasize;
+ mach_msg_type_number_t dirdatasize;
int direntry, nentries;
diff --git a/sysdeps/mach/hurd/readlinkat.c b/sysdeps/mach/hurd/readlinkat.c
index dabdbb3713..5bb8b75371 100644
--- a/sysdeps/mach/hurd/readlinkat.c
+++ b/sysdeps/mach/hurd/readlinkat.c
@@ -35,6 +35,7 @@ __readlinkat (int fd, const char *file_name, char *buf, size_t len)
char retryname[1024];
file_t file;
char *rbuf = buf;
+ mach_msg_type_number_t nread = len;
file_stat = __file_name_lookup_at (fd, 0, file_name, O_NOLINK, 0);
if (file_stat == MACH_PORT_NULL)
@@ -59,15 +60,16 @@ __readlinkat (int fd, const char *file_name, char *buf, size_t len)
goto out;
}
- err = __io_read (file, &rbuf, &len, 0, len);
+ err = __io_read (file, &rbuf, &nread, 0, len);
__mach_port_deallocate (__mach_task_self (), file);
if (err)
goto out;
+ len = nread;
if (rbuf != buf)
{
memcpy (buf, rbuf, len);
- __vm_deallocate (__mach_task_self (), (vm_address_t) rbuf, len);
+ __vm_deallocate (__mach_task_self (), (vm_address_t) rbuf, nread);
}
diff --git a/sysdeps/mach/hurd/sendfile64.c b/sysdeps/mach/hurd/sendfile64.c
index 658b02826d..e36b979078 100644
--- a/sysdeps/mach/hurd/sendfile64.c
+++ b/sysdeps/mach/hurd/sendfile64.c
@@ -35,7 +35,7 @@ __sendfile64 (int out_fd, int in_fd, off64_t *offset, size_t count)
which might blow if it's huge or address space is real tight. */
char *data = 0;
- size_t datalen = 0;
+ mach_msg_type_number_t datalen = 0;
error_t err = HURD_DPORT_USE (in_fd,
__io_read (port, &data, &datalen,
offset ? *offset : (off_t) -1,