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S390. This is an attempt to avoid the panic we're seeing in the
automatic builds.
The main fixes are:
- assumptions that sizeof(size_t) == sizeof(int), mostly in printf formats
- use of NULL format statements to perform dn searches.
- assumption that sizeof() returns an int
less likely that anyone will use pstring for new code
- got rid of winbind_client.h from includes.h. This one triggered a
huge change, as winbind_client.h was including system/filesys.h and
defining the old uint32 and uint16 types, as well as its own
pstring and fstring.
This removes the duplicate named SEC_RIGHTS_MAXIMUM_ALLOWED and
SEC_RIGHTS_FULL_CONTROL, which are just other names for
SEC_FLAG_MAXIMUM_ALLOWED and SEC_RIGHTS_FILE_ALL. The latter names
match the new naming conventions in security.idl
Also added names for the generic->specific mappings for files are
directories
definitions for security access masks, in security.idl
The previous definitions were inconsistently named, and contained many
duplicate and misleading entries. I kept finding myself tripping up
while using them.
clear what the correct behaviour is for delayed stat info update.
- use a common torture_setup_dir() function for setting up a test
directory in torture tests.
The motivation for this change was to avoid having to convert to/from
ucs2 strings for so many operations. Doing that was slow, used many
static buffers, and was also incorrect as it didn't cope properly with
unicode codepoints above 65536 (which could not be represented
correctly as smb_ucs2_t chars)
The two core functions that allowed this change are next_codepoint()
and push_codepoint(). These functions allow you to correctly walk a
arbitrary multi-byte string a character at a time without converting
the whole string to ucs2.
While doing this cleanup I also fixed several ucs2 string handling
bugs. See the commit for details.
The following code (which counts the number of occuraces of 'c' in a
string) shows how to use the new interface:
size_t count_chars(const char *s, char c)
{
size_t count = 0;
while (*s) {
size_t size;
codepoint_t c2 = next_codepoint(s, &size);
if (c2 == c) count++;
s += size;
}
return count;
}
I had previously thought this was unnecessary, as windows doesn't use
standards compliant UTF-16, and for filesystem operations treats bytes
as UCS-2, but Bjoern Jacke has pointed out to me that this means we
don't correctly store extended UTF-16 characters as UTF-8 on
disk. This can be seen with (for example) the gothic characters with
codepoints above 64k.
This commit also adds a LOCAL-ICONV torture test that tests the first
1 million codepoints against the system iconv library, and tests 5
million random UTF-16LE buffers for identical error handling to the
system iconv library.
the lib/iconv.c changes need backporting to samba3
- added a CHARSET set of tests, which determines how the server deals
with some specific charset issues related to UTF-16
support. Interestingly, Samba3 already passes all but one of these
tests, because our incorrect UCS-2 and UTF-8 implementations where we
don't check the validity of characters actually matches what Windows
does! This means that adding UTF-16 support to Samba is going to be
_much_ easier than we expected.
