diff options
| -rw-r--r-- | src/pugixml.cpp | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp index 2ad2f15..e817690 100644 --- a/src/pugixml.cpp +++ b/src/pugixml.cpp @@ -4540,6 +4540,28 @@ PUGI__NS_BEGIN } #endif + template <typename U> + PUGI__FN char_t* integer_to_string(char_t (&buf)[64], U value, bool negative) + { + char_t* end = buf + sizeof(buf) / sizeof(buf[0]) - 1; + U rest = negative ? 0 - value : value; + + *end-- = 0; + + do + { + *end-- = static_cast<char_t>('0' + (rest % 10)); + rest /= 10; + } + while (rest); + + assert(end >= buf); + + *end = '-'; + + return end + !negative; + } + // set value with conversion functions template <typename String, typename Header> PUGI__FN bool set_value_buffer(String& dest, Header& header, uintptr_t header_mask, char (&buf)[128]) @@ -4557,19 +4579,19 @@ PUGI__NS_BEGIN template <typename String, typename Header> PUGI__FN bool set_value_convert(String& dest, Header& header, uintptr_t header_mask, int value) { - char buf[128]; - sprintf(buf, "%d", value); - - return set_value_buffer(dest, header, header_mask, buf); + char_t buf[64]; + char_t* begin = integer_to_string<unsigned int>(buf, value, value < 0); + + return strcpy_insitu(dest, header, header_mask, begin); } template <typename String, typename Header> PUGI__FN bool set_value_convert(String& dest, Header& header, uintptr_t header_mask, unsigned int value) { - char buf[128]; - sprintf(buf, "%u", value); + char_t buf[64]; + char_t* begin = integer_to_string<unsigned int>(buf, value, false); - return set_value_buffer(dest, header, header_mask, buf); + return strcpy_insitu(dest, header, header_mask, begin); } template <typename String, typename Header> @@ -4600,19 +4622,19 @@ PUGI__NS_BEGIN template <typename String, typename Header> PUGI__FN bool set_value_convert(String& dest, Header& header, uintptr_t header_mask, long long value) { - char buf[128]; - sprintf(buf, "%lld", value); - - return set_value_buffer(dest, header, header_mask, buf); + char_t buf[64]; + char_t* begin = integer_to_string<unsigned long long>(buf, value, value < 0); + + return strcpy_insitu(dest, header, header_mask, begin); } template <typename String, typename Header> PUGI__FN bool set_value_convert(String& dest, Header& header, uintptr_t header_mask, unsigned long long value) { - char buf[128]; - sprintf(buf, "%llu", value); - - return set_value_buffer(dest, header, header_mask, buf); + char_t buf[64]; + char_t* begin = integer_to_string<unsigned long long>(buf, value, false); + + return strcpy_insitu(dest, header, header_mask, begin); } #endif |