build: make use of 76 lib/*.h renamed files

76 private header files renamed to use our standard naming scheme.

This change affects 322 files in libcurl's source tree.

Digst: Add microseconds into nounce calculation

When using only 1 second precision, curl doesn't create new cnonce
values quickly enough for all uses.

For example, issuing the f

Digst: Add microseconds into nounce calculation

When using only 1 second precision, curl doesn't create new cnonce
values quickly enough for all uses.

For example, issuing the following command multiple times to a recent
Tomcat causes authentication failures:

curl --digest -utest:test http://tomcat.test.com:8080/manager/list

This is because curl uses the same cnonce for several seconds, but
doesn't increment the nonce counter.  Tomcat correctly interprets
this as a replay attack and rejects the request.

When microsecond-precision is available, this commit causes curl to
change cnonce values much more frequently.

With microsecond resolution, increasing the nounce length used in the
headers to 32 was made to further reduce the risk of duplication.

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Client's "qop" value should not be quoted (RFC2617, section 3.2.2).

fix several compiler warnings

base64: fix Curl_base64_encode and Curl_base64_decode interfaces

Previous interfaces for these libcurl internal functions did not allow to tell
apart a legitimate zero size result from a

base64: fix Curl_base64_encode and Curl_base64_decode interfaces

Previous interfaces for these libcurl internal functions did not allow to tell
apart a legitimate zero size result from an error condition. These functions
now return a CURLcode indicating function success or otherwise specific error.
Output size is returned using a pointer argument.

All usage of these two functions, and others closely related, has been adapted
to the new interfaces. Relative error and OOM handling adapted or added where
missing. Unit test 1302 also adapted.

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stdio.h, stdlib.h, string.h, stdarg.h and ctype.h inclusion done in setup_once.h

digest_cleanup_one: made private

source cleanup: unify look, style and indent levels

By the use of a the new lib/checksrc.pl script that checks that our
basic source style rules are followed.

CURL_DOES_CONVERSIONS: cleanup

Massively reduce #ifdefs all over (23 #ifdef lines less so far)
Moved conversion-specific code to non-ascii.c

fix compiler warning

digest: make it clear the condition is always true

remove the CVSish $Id$ lines

Removed some obsolete digest code that caused a valgrind error in test 551.

- Andre Guibert de Bruet correctly pointed out an over-alloc with one wasted
byte in the digest code.

libcurl's memory.h renamed to curl_memory.h

fix compiler warning

- Alexey Borzov filed bug report #2535504
(http://curl.haxx.se/bug/view.cgi?id=2535504) pointing out that realms with
quoted quotation marks in HTTP Digest headers didn't work. I've now a

- Alexey Borzov filed bug report #2535504
(http://curl.haxx.se/bug/view.cgi?id=2535504) pointing out that realms with
quoted quotation marks in HTTP Digest headers didn't work. I've now added
test case 1095 that verifies my fix.

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- Internet Explorer had a broken HTTP digest authentication before v7 and
there are servers "out there" that relies on the client doing this broken
Digest authentication. Apache even come

- Internet Explorer had a broken HTTP digest authentication before v7 and
there are servers "out there" that relies on the client doing this broken
Digest authentication. Apache even comes with an option to work with such
broken clients.

The difference is only for URLs that contain a query-part (a '?'-letter and
text to the right of it).

libcurl now supports this quirk, and you enable it by setting the
CURLAUTH_DIGEST_IE bit in the bitmask you pass to the CURLOPT_HTTPAUTH or
CURLOPT_PROXYAUTH options. They are thus individually controlled to server
and proxy.

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narrow the comment to < 80 columns

moved the Curl_raw_ functions into the new lib/rawstr.c file for easier curlx_
inclusion by the curl tool without colliding with the curl_strequal functions.

Renamed Curl_ascii_equal to Curl_raw_equal and bugfixed the my_toupper function
used in strequal.c so now all test cases run fine for me again.

- Pascal Terjan filed bug #2154627
(http://curl.haxx.se/bug/view.cgi?id=2154627) which pointed out that libcurl
uses strcasecmp() in multiple places where it causes failures when the

- Pascal Terjan filed bug #2154627
(http://curl.haxx.se/bug/view.cgi?id=2154627) which pointed out that libcurl
uses strcasecmp() in multiple places where it causes failures when the
Turkish locale is used. This is because 'i' and 'I' isn't the same letter so
strcasecmp() on those letters are different in Turkish than in English (or
just about all other languages). I thus introduced a totally new internal
function in libcurl (called Curl_ascii_equal) for doing case insentive
comparisons for english-(ascii?) style strings that thus will make "file"
and "FILE" match even if the Turkish locale is selected.

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- Fixed the HTTP Digest auth code to not behave badly when getting a blank realm
with realm="". http://curl.haxx.se/bug/view.cgi?id=2126435

remove unnecessary typecasting of malloc()

remove unnecessary typecasting of realloc()