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Diffstat (limited to 'docs/manual.adoc')
| -rw-r--r-- | docs/manual.adoc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/docs/manual.adoc b/docs/manual.adoc index 1d8d88a..56ebc07 100644 --- a/docs/manual.adoc +++ b/docs/manual.adoc @@ -934,9 +934,9 @@ long long xml_attribute::as_llong(long long def = 0) const; unsigned long long xml_attribute::as_ullong(unsigned long long def = 0) const; ---- -`as_int`, `as_uint`, `as_llong`, `as_ullong`, `as_double` and `as_float` convert attribute values to numbers. If attribute handle is null or attribute value is empty, `def` argument is returned (which is 0 by default). Otherwise, all leading whitespace characters are truncated, and the remaining string is parsed as an integer number in either decimal or hexadecimal form (applicable to `as_int`, `as_uint`, `as_llong` and `as_ullong`; hexadecimal format is used if the number has `0x` or `0X` prefix) or as a floating point number in either decimal or scientific form (`as_double` or `as_float`). Any extra characters are silently discarded, i.e. `as_int` will return `1` for string `"1abc"`. +`as_int`, `as_uint`, `as_llong`, `as_ullong`, `as_double` and `as_float` convert attribute values to numbers. If attribute handle is null `def` argument is returned (which is 0 by default). Otherwise, all leading whitespace characters are truncated, and the remaining string is parsed as an integer number in either decimal or hexadecimal form (applicable to `as_int`, `as_uint`, `as_llong` and `as_ullong`; hexadecimal format is used if the number has `0x` or `0X` prefix) or as a floating point number in either decimal or scientific form (`as_double` or `as_float`). -In case the input string contains a number that is out of the target numeric range, the result is undefined. +In case the input string contains a non-numeric character sequence or a number that is out of the target numeric range, the result is undefined. CAUTION: Number conversion functions depend on current C locale as set with `setlocale`, so may return unexpected results if the locale is different from `"C"`. |