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| author | Gisle Vanem <gvanem@broadpark.no> | 2011-08-24 13:52:44 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2011-08-24 13:52:44 -0400 |
| commit | 5939c09d35de5be4b135bb0ad6dde24700e75fc2 (patch) | |
| tree | ffe6c5da89cf4d6630349e0a2f0d2b6435931edd | |
| parent | d79d648edcc19d1f11758016108fdbb57c80b4d0 (diff) | |
| download | tor-5939c09d35de5be4b135bb0ad6dde24700e75fc2.tar.gz tor-5939c09d35de5be4b135bb0ad6dde24700e75fc2.zip | |
lround() missing in MSVC
lround() is missing in MS Visual-C's <math.h>. Not available anywhere.
Here is an easy patch.
| -rw-r--r-- | changes/msvc_lround | 4 | ||||
| -rw-r--r-- | src/common/util.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/changes/msvc_lround b/changes/msvc_lround new file mode 100644 index 0000000000..e4aea95351 --- /dev/null +++ b/changes/msvc_lround @@ -0,0 +1,4 @@ + o Build fixes: + - Provide a substitute implementation of lround() for MSVC, which + apparently lacks it. Patch from Gisle Vanem. + diff --git a/src/common/util.c b/src/common/util.c index b47b9c5fa2..ee0acbbb07 100644 --- a/src/common/util.c +++ b/src/common/util.c @@ -334,7 +334,11 @@ tor_mathlog(double d) long tor_lround(double d) { +#ifdef _MSC_VER + return (long)(d > 0 ? d + 0.5 : ceil(d - 0.5)); +#else return lround(d); +#endif } /** Returns floor(log2(u64)). If u64 is 0, (incorrectly) returns 0. */ |