55
edits
Fixed-width strings: Difference between revisions
Jump to navigation
Jump to search
m
→Creation
m (→Creation) |
|||
| Line 21: | Line 21: | ||
Strings may either be created with 8, 16, or 32 bit data. In addition, strings may be created with UTF-8 data, which results in the smallest width that can hold the data, or a desired width that may cause the creation method to return NULL if the UTF-8 string contains characters that cannot be represented in the desired width. This is the case for 8-bit strings, and for 16-bit strings, if the character exceeds the value 0x10FFFF. | Strings may either be created with 8, 16, or 32 bit data. In addition, strings may be created with UTF-8 data, which results in the smallest width that can hold the data, or a desired width that may cause the creation method to return NULL if the UTF-8 string contains characters that cannot be represented in the desired width. This is the case for 8-bit strings, and for 16-bit strings, if the character exceeds the value 0x10FFFF. | ||
Strings are never zero-terminated. | Strings are never zero-terminated. Zero-characters are legal as part of a string. | ||
Strings are created using static creator functions. This allows the implementation to use raw memory allocation and in-place constructor calls to avoid having to do two memory allocations, one for the instance, and the other for the data. Strings created that way contain the data right behind the instance data. | Strings are created using static creator functions. This allows the implementation to use raw memory allocation and in-place constructor calls to avoid having to do two memory allocations, one for the instance, and the other for the data. Strings created that way contain the data right behind the instance data. | ||