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df plugin: Fix a compiler issue with Mac OS X 10.7.
[collectd.git]
/
src
/
df.c
diff --git
a/src/df.c
b/src/df.c
index
9d53b0b
..
22264d3
100644
(file)
--- a/
src/df.c
+++ b/
src/df.c
@@
-287,9
+287,11
@@
static int df_read (void)
* report negative free space for user. Notice. blk_reserved
* will start to diminish after this. */
#if HAVE_STATVFS
* report negative free space for user. Notice. blk_reserved
* will start to diminish after this. */
#if HAVE_STATVFS
- /* Cast is needed to avoid compiler warnings.
+ /* Cast and temporary variable are needed to avoid
+ * compiler warnings.
* ((struct statvfs).f_bavail is unsigned (POSIX)) */
* ((struct statvfs).f_bavail is unsigned (POSIX)) */
- if (((int64_t) statbuf.f_bavail) < 0)
+ int64_t signed_bavail = (int64_t) statbuf.f_bavail;
+ if (signed_bavail < 0)
statbuf.f_bavail = 0;
#elif HAVE_STATFS
if (statbuf.f_bavail < 0)
statbuf.f_bavail = 0;
#elif HAVE_STATFS
if (statbuf.f_bavail < 0)