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Sat Jul 20 15:29:45 CEST 2013 · https://mail.python.org/pipermail/python-dev/2013-July/127457.html

Am 20.07.2013 14:23, schrieb Serhiy Storchaka:
> This will wrong when strlen(fname) is 30. strncat() will copy only 30
> bytes, without terminal NUL.

http://linux.die.net/man/3/strncat

The strncat() function is similar, except that

* it will use at most n bytes from src; and

* src does not need to be null-terminated if it contains n or more bytes.

If src contains n or more bytes, strncat() writes n+1 bytes to dest (n
from src plus the terminating null byte). Therefore, the size of dest
must be at least strlen(dest)+n+1.

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Showing content from https://mail.python.org/pipermail/python-dev/2013-July/127457.html below:

Use strncat() instead of strcat() to silence some warnings.