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authorBram Moolenaar <Bram@vim.org>2016-02-23 22:07:32 +0100
committerBram Moolenaar <Bram@vim.org>2016-02-23 22:07:32 +0100
commit3ea0f1ae318db6cd9413914bb2ff824d71cefc6e (patch)
treecd03221b14cb13f92b7851a4ac9f86298bd6c931 /src/json.c
parentf1b6ac72293e658bb6e68c5cfd926c405b1b6f34 (diff)
patch 7.4.1408v7.4.1408
Problem: MS-Windows doesn't have isnan() and isinf(). Solution: Use _isnan() and _isinf().
Diffstat (limited to 'src/json.c')
-rw-r--r--src/json.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/src/json.c b/src/json.c
index 6eadd2e83e..1a3dea1e5b 100644
--- a/src/json.c
+++ b/src/json.c
@@ -17,9 +17,20 @@
#if defined(FEAT_EVAL) || defined(PROTO)
-#if defined(FEAT_FLOAT) && defined(HAVE_MATH_H)
- /* for isnan() and isinf() */
-# include <math.h>
+#if defined(FEAT_FLOAT)
+# include <float.h>
+# if defined(HAVE_MATH_H)
+ /* for isnan() and isinf() */
+# include <math.h>
+# endif
+# if defined(WIN32) && !defined(isnan)
+# define isnan(x) _isnan(x)
+# define isinf(x) (!_finite(x) && !_isnan(x))
+# endif
+# if defined(_MSC_VER) && !defined(INFINITY)
+# define INFINITY (DBL_MAX+DBL_MAX)
+# define NAN (INFINITY-INFINITY)
+# endif
#endif
static int json_encode_item(garray_T *gap, typval_T *val, int copyID, int options);
@@ -745,7 +756,7 @@ json_decode_item(js_read_T *reader, typval_T *res, int options)
if (res != NULL)
{
res->v_type = VAR_FLOAT;
- res->vval.v_float = 0.0 / 0.0;
+ res->vval.v_float = NAN;
}
return OK;
}
@@ -755,7 +766,7 @@ json_decode_item(js_read_T *reader, typval_T *res, int options)
if (res != NULL)
{
res->v_type = VAR_FLOAT;
- res->vval.v_float = 1.0 / 0.0;
+ res->vval.v_float = INFINITY;
}
return OK;
}