251f4917c3
The b_insert_blk() function may now be used to insert a string, given a pointer and the string length, at an absolute offset in a buffer, moving data between this offset and the buffer's tail just after the end of the inserted string. The buffer's length is automatically updated. This function supports wrapping. All the string is copied or nothing. So it returns 0 if there are not enough space to perform the copy. Otherwise, the number of bytes copied is returned. |
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