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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - warn_unused_result noise"
href="https://bugs.freedesktop.org/show_bug.cgi?id=58727">58727</a>
</td>
</tr>
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>warn_unused_result noise
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dmacks@netspace.org
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>1.12.8
</td>
</tr>
<tr>
<th>Component</th>
<td>general
</td>
</tr>
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<th>Product</th>
<td>cairo
</td>
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<pre>Building cairo-1.12.8 on OS X 10.6 against pixman-0.28.2, I get a bunch of
warnings about ignored return-codes of functions that assert that their return
should not be ignored:
cairo-path-stroke-polygon.c: In function 'add_caps':
cairo-path-stroke-polygon.c:944: warning: ignoring return value of
'_cairo_polygon_add_contour', declared with attribute warn_unused_result
cairo-path-stroke-polygon.c:961: warning: ignoring return value of
'_cairo_polygon_add_contour', declared with attribute warn_unused_result
cairo-path-stroke-polygon.c:976: warning: ignoring return value of
'_cairo_polygon_add_contour', declared with attribute warn_unused_result
cairo-path-stroke-polygon.c:981: warning: ignoring return value of
'_cairo_polygon_add_contour', declared with attribute warn_unused_result
cairo-path-stroke-polygon.c: In function 'close_path':
cairo-path-stroke-polygon.c:1226: warning: ignoring return value of
'_cairo_polygon_add_contour', declared with attribute warn_unused_result
cairo-path-stroke-polygon.c:1227: warning: ignoring return value of
'_cairo_polygon_add_contour', declared with attribute warn_unused_result
cairo-polygon-intersect.c: In function 'edges_end':
cairo-polygon-intersect.c:1162: warning: ignoring return value of
'_cairo_polygon_add_line', declared with attribute warn_unused_result
cairo-polygon-intersect.c:1163: warning: ignoring return value of
'_cairo_polygon_add_line', declared with attribute warn_unused_result
cairo-polygon-intersect.c: In function '_cairo_polygon_intersect_with_boxes':
cairo-polygon-intersect.c:1519: warning: ignoring return value of
'_cairo_polygon_add_external_edge', declared with attribute warn_unused_result
cairo-polygon-intersect.c:1522: warning: ignoring return value of
'_cairo_polygon_add_external_edge', declared with attribute warn_unused_result
cairo-polygon-reduce.c: In function '_cairo_bo_edge_end':
cairo-polygon-reduce.c:1163: warning: ignoring return value of
'_cairo_polygon_add_line', declared with attribute warn_unused_result
cairo-polygon-reduce.c:1167: warning: ignoring return value of
'_cairo_polygon_add_line', declared with attribute warn_unused_result
cairo-rectangular-scan-converter.c: In function 'generate_row':
cairo-rectangular-scan-converter.c:625: warning: ignoring return value of
function declared with attribute warn_unused_result
cairo-surface-observer.c: In function 'sync':
cairo-surface-observer.c:665: warning: ignoring return value of
'_cairo_surface_unmap_image', declared with attribute warn_unused_result
Do they need their return-codes handled, or do their prototypes (in cairoint.h
I think) need to allow their return-codes to be ignoreable?</pre>
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