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137d2c9791
This util function was error-prone: - it accepted a buffer as parameter (not necessarily a NUL-terminated string) and its length (including the NUL char, if any); - it wrote '\0' over the last character of the buffer, so the last character was lost if the buffer was not a NUL-terminated string, and even worse, it caused undefined behavior if the length was empty; - it returned the length of the resulting NUL-terminated string, which was inconsistent with the input buffer length. In addition, it was not necessarily optimal: - it wrote '\0' twice; - it required to know the buffer length, that is the input string length + 1, in advance. Remove this function, and let the client use strcspn() manually.