it looks like in recent version of sqlite3 the behavior had changed some what. I am going to check which version of sqlite3 had followed the old behavior and put the code into the appropriate define block.

Ilia Alshanetsky

On 19-May-09, at 1:33 PM, Matteo Beccati wrote:

Ilia Alshanetsky ha scritto:
*len is a pointer to an integer, that is being decremented to reduce the
overall length of the string to "remove" the NUL terminator. If you
remove the operation you'll end up with 2 NULs at the end of the string.

As I said, I coulndn't find any reference to the fact that "the NUL
terminator is included in the byte count for TEXT values" in sqlite3.h.

I don't want to argue about this, but here's a small test case that
hopefully proves that the code you added back is just useless, as it
doesn't do what you'd expect by reading the comment.

$ cat len.c; gcc -Wall len.c; ./a.out
#include <stdio.h>
#include <assert.h>

void decrease_len(int *len)

int main(int argc, char **argv)
       int len = 10;

       assert(len == 9);

       return 0;

len.c: In function ‘decrease_len’:
len.c:6: warning: value computed is not used
a.out: len.c:14: main: Assertion `len == 9' failed.


Matteo Beccati

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