Silences compiler warning:
xshmfence_alloc.c: In function 'xshmfence_alloc_shm':
xshmfence_alloc.c:54:11: warning: ignoring return value of 'ftruncate',
declared with attribute warn_unused_result [-Wunused-result]
ftruncate(fd, sizeof (struct xshmfence));
^
Signed-off-by: Julien Cristau <[email protected]>
---
src/xshmfence_alloc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/xshmfence_alloc.c b/src/xshmfence_alloc.c
index d8d4a40..58416cd 100644
--- a/src/xshmfence_alloc.c
+++ b/src/xshmfence_alloc.c
@@ -51,7 +51,10 @@ xshmfence_alloc_shm(void)
return fd;
unlink(template);
}
- ftruncate(fd, sizeof (struct xshmfence));
+ if (ftruncate(fd, sizeof (struct xshmfence)) < 0) {
+ close(fd);
+ return -1;
+ }
xshmfence_init(fd);
return fd;
}
--
1.8.4.3
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