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snprintf already calculated the length

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This commit is contained in:
Matthias Loy 2014-08-14 20:58:02 +02:00 committed by Christopher Dunn
parent fe2cd01e80
commit 64d591b720
1 changed files with 7 additions and 8 deletions
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15
src/lib_json/json_writer.cpp
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@ -74,15 +74,18 @@ std::string valueToString(double value) {
#if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__) // Use secure version with #if defined(_MSC_VER) && defined(__STDC_SECURE_LIB__) // Use secure version with
// visual studio 2005 to // visual studio 2005 to
// avoid warning. // avoid warning.
size_t len;
#if defined(WINCE) #if defined(WINCE)
_snprintf(buffer, sizeof(buffer), "%.16g", value); len = _snprintf(buffer, sizeof(buffer), "%.16g", value);
#else #else
sprintf_s(buffer, sizeof(buffer), "%.16g", value); len = sprintf_s(buffer, sizeof(buffer), "%.16g", value);
#endif #endif
fixNumericLocale(buffer, buffer + len);
#else #else
if ( isfinite( value )) if ( isfinite( value ))
{ {
snprintf(buffer, sizeof(buffer), "%.16g", value); size_t len = snprintf(buffer, sizeof(buffer), "%.16g", value);
fixNumericLocale(buffer, buffer + len);
} }
else else
{ {
@ -99,12 +102,8 @@ std::string valueToString(double value) {
{ {
snprintf(buffer, sizeof(buffer), "1e+9999"); snprintf(buffer, sizeof(buffer), "1e+9999");
} }
// nothing more to do, return.
return buffer;
} }
#endif #endif
fixNumericLocale(buffer, buffer + strlen(buffer));
return buffer; return buffer;
} }