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authorJamey Sharp <jamey@minilop.net>2006-03-02 15:35:31 -0800
committerJamey Sharp <jamey@minilop.net>2006-03-02 15:35:31 -0800
commit5e115e2441ed32f5fa495370b36b01c03bbff66d (patch)
treecf1695c201016f291ab8e9ca717796871660a0ce /src/c-client.xsl
parented823bf65192a72f8c3060698c9bded9f77d49c2 (diff)
API/ABI change: XCBSendRequest callers must pad to 4-byte boundaries now. When not in RAW mode, a null pointer for iov_base is replaced by up to 3 padding bytes.
Diffstat (limited to 'src/c-client.xsl')
-rw-r--r--src/c-client.xsl12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/c-client.xsl b/src/c-client.xsl
index 3ab2889..bee7275 100644
--- a/src/c-client.xsl
+++ b/src/c-client.xsl
@@ -567,7 +567,7 @@ authorization from the authors.
<xsl:variable name="struct"
select="$pass1/xcb/struct[@name=current()/@ref]" />
- <xsl:variable name="num-parts" select="1+count($struct/list)" />
+ <xsl:variable name="num-parts" select="1+count($struct/list)*2" />
<l>static const XCBProtocolRequest xcb_req = {</l>
<indent>
@@ -586,7 +586,7 @@ authorization from the authors.
<l>};</l>
<l />
- <l>struct iovec xcb_parts[<xsl:value-of select="$num-parts" />];</l>
+ <l>struct iovec xcb_parts[<xsl:value-of select="$num-parts+2" />];</l>
<l><xsl:value-of select="../@type" /> xcb_ret;</l>
<l><xsl:value-of select="@ref" /> xcb_out;</l>
@@ -598,17 +598,21 @@ authorization from the authors.
<l />
<l>xcb_parts[0].iov_base = &amp;xcb_out;</l>
<l>xcb_parts[0].iov_len = sizeof(xcb_out);</l>
+ <l>xcb_parts[1].iov_base = 0;</l>
+ <l>xcb_parts[1].iov_len = -xcb_parts[0].iov_len &amp; 3;</l>
<xsl:for-each select="$struct/list">
- <l>xcb_parts[<xsl:number />].iov_base = (void *) <!--
+ <l>xcb_parts[<xsl:number /> * 2].iov_base = (void *) <!--
--><xsl:value-of select="@name" />;</l>
- <l>xcb_parts[<xsl:number />].iov_len = <!--
+ <l>xcb_parts[<xsl:number /> * 2].iov_len = <!--
--><xsl:apply-templates mode="output-expression" /><!--
--><xsl:if test="not(@type = 'void')">
<xsl:text> * sizeof(</xsl:text>
<xsl:value-of select="@type" />
<xsl:text>)</xsl:text>
</xsl:if>;</l>
+ <l>xcb_parts[<xsl:number /> * 2 + 1].iov_base = 0;</l>
+ <l>xcb_parts[<xsl:number /> * 2 + 1].iov_len = -xcb_parts[<xsl:number /> * 2].iov_len &amp; 3;</l>
</xsl:for-each>
<l>XCBSendRequest(c, &amp;xcb_ret.sequence, <!--