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Add and use G_SIZEOF_MEMBER() macro

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A convenient macro present in the Linux kernel, named FIELD_SIZE() there.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau
2020-01-20 16:41:34 +04:00
parent fda1c651d5
commit fd61a21ecd
6 changed files with 28 additions and 5 deletions
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4
gio/glocalfileoutputstream.c
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@@ -224,9 +224,9 @@ g_local_file_output_stream_write (GOutputStream *stream,
#ifdef G_OS_UNIX
/* Macro to check if struct iovec and GOutputVector have the same ABI */
#define G_OUTPUT_VECTOR_IS_IOVEC (sizeof (struct iovec) == sizeof (GOutputVector) && \
sizeof ((struct iovec *) 0)->iov_base == sizeof ((GOutputVector *) 0)->buffer && \
G_SIZEOF_MEMBER (struct iovec, iov_base) == G_SIZEOF_MEMBER (GOutputVector, buffer) && \
G_STRUCT_OFFSET (struct iovec, iov_base) == G_STRUCT_OFFSET (GOutputVector, buffer) && \
sizeof ((struct iovec *) 0)->iov_len == sizeof((GOutputVector *) 0)->size && \
G_SIZEOF_MEMBER (struct iovec, iov_len) == G_SIZEOF_MEMBER (GOutputVector, size) && \
G_STRUCT_OFFSET (struct iovec, iov_len) == G_STRUCT_OFFSET (GOutputVector, size))
static gboolean

4
gio/gunixoutputstream.c
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@@ -403,9 +403,9 @@ g_unix_output_stream_write (GOutputStream *stream,
/* Macro to check if struct iovec and GOutputVector have the same ABI */
#define G_OUTPUT_VECTOR_IS_IOVEC (sizeof (struct iovec) == sizeof (GOutputVector) && \
sizeof ((struct iovec *) 0)->iov_base == sizeof ((GOutputVector *) 0)->buffer && \
G_SIZEOF_MEMBER (struct iovec, iov_base) == G_SIZEOF_MEMBER (GOutputVector, buffer) && \
G_STRUCT_OFFSET (struct iovec, iov_base) == G_STRUCT_OFFSET (GOutputVector, buffer) && \
sizeof ((struct iovec *) 0)->iov_len == sizeof((GOutputVector *) 0)->size && \
G_SIZEOF_MEMBER (struct iovec, iov_len) == G_SIZEOF_MEMBER (GOutputVector, size) && \
G_STRUCT_OFFSET (struct iovec, iov_len) == G_STRUCT_OFFSET (GOutputVector, size))
static gboolean

2
gio/gunixsocketaddress.c
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@@ -67,7 +67,7 @@ enum
};
#ifndef UNIX_PATH_MAX
#define UNIX_PATH_MAX sizeof (((struct sockaddr_un *) 0)->sun_path)
#define UNIX_PATH_MAX G_SIZEOF_MEMBER (struct sockaddr_un, sun_path)
#endif
struct _GUnixSocketAddressPrivate