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is_nan and is_infinity macros

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Max Bruckner
2018-03-25 13:01:06 +02:00
parent 3e2c29528a
commit 5ed383a0d1
2 changed files with 24 additions and 2 deletions
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cJSON.c
+4 -2
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@@ -471,6 +471,9 @@ static void update_offset(printbuffer * const buffer)
buffer->offset += strlen((const char*)buffer_pointer);
}
#define is_nan(number) (number != number)
#define is_infinity(number) (!is_nan(number) && (number * 0) != 0)
/* Render the number nicely from the given item into a string. */
static cJSON_bool print_number(const cJSON * const item, printbuffer * const output_buffer)
{
@@ -487,8 +490,7 @@ static cJSON_bool print_number(const cJSON * const item, printbuffer * const out
return false;
}
/* This checks for NaN and Infinity */
if ((d * 0) != 0)
if (is_nan(d) || is_infinity(d))
{
length = sprintf((char*)number_buffer, "null");
}