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[libvirt] [PATCH 1/3] util: Declare that virFileExists shall honor errno



Explicitly state that some parts of the code may require virFileExists
to set or preserve a correct errno so that future modifications don't
break.
---
 src/util/virfile.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/util/virfile.c b/src/util/virfile.c
index feac3c9..67adc55 100644
--- a/src/util/virfile.c
+++ b/src/util/virfile.c
@@ -1477,6 +1477,12 @@ virFileIsDir(const char *path)
     return (stat(path, &s) == 0) && S_ISDIR(s.st_mode);
 }

+/**
+ * virFileExists: Check for presence of file
+ * @path: Path of file to check
+ *
+ * Returns wether file exists. Preserves errno in case it does not exist.
+ */
 bool
 virFileExists(const char *path)
 {
-- 
1.8.3.2


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