diff options
| -rw-r--r-- | src/pugixml.cpp | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp index 9264309..ac036e3 100644 --- a/src/pugixml.cpp +++ b/src/pugixml.cpp @@ -127,6 +127,10 @@ using std::memset; # define PUGI__MSVC_CRT_VERSION _MSC_VER #endif +#if (defined(PUGI__MSVC_CRT_VERSION) && (PUGI__MSVC_CRT_VERSION >= 1900)) || (__cplusplus >= 201103) +# define PUGI__HAVE_SNPRINTF +#endif + #ifdef PUGIXML_HEADER_ONLY # define PUGI__NS_BEGIN namespace pugi { namespace impl { # define PUGI__NS_END } } @@ -4632,7 +4636,14 @@ PUGI__NS_BEGIN PUGI__FN bool set_value_convert(String& dest, Header& header, uintptr_t header_mask, float value) { char buf[128]; +#if defined(PUGI__HAVE_SNPRINTF) + snprintf(buf, 128, "%.9g", value); +#elif defined(PUGI__MSVC_CRT_VERSION) + _snprintf(buf, 128, "%.9g", value); + buf[127] = '\0'; +#else sprintf(buf, "%.9g", value); +#endif return set_value_ascii(dest, header, header_mask, buf); } @@ -4641,7 +4652,14 @@ PUGI__NS_BEGIN PUGI__FN bool set_value_convert(String& dest, Header& header, uintptr_t header_mask, double value) { char buf[128]; +#if defined(PUGI__HAVE_SNPRINTF) + snprintf(buf, 128, "%.17g", value); +#elif defined (PUGI__MSVC_CRT_VERSION) + _snprintf(buf, 128, "%.17g", value); + buf[127] = '\0'; +#else sprintf(buf, "%.17g", value); +#endif return set_value_ascii(dest, header, header_mask, buf); } @@ -7997,9 +8015,16 @@ PUGI__NS_BEGIN PUGI__FN void convert_number_to_mantissa_exponent(double value, char* buffer, size_t buffer_size, char** out_mantissa, int* out_exponent) { // get a scientific notation value with IEEE DBL_DIG decimals +#if defined(PUGI__HAVE_SNPRINTF) + snprintf(buffer, buffer_size, "%.*e", DBL_DIG, value); +#elif defined(PUGI__MSVC_CRT_VERSION) + _snprintf(buffer, buffer_size, "%.*e", DBL_DIG, value); + buffer[buffer_size - 1] = '\0'; +#else sprintf(buffer, "%.*e", DBL_DIG, value); assert(strlen(buffer) < buffer_size); - (void)!buffer_size; +#endif + // get the exponent (possibly negative) char* exponent_string = strchr(buffer, 'e'); |