Using fdopen() is a more correct way to implement the CURLOPT_NEW_FILE_PREMS
file.c, but the debug interface was missing. This adds the routines needed
to make the memory debuging work for f

Using fdopen() is a more correct way to implement the CURLOPT_NEW_FILE_PREMS
file.c, but the debug interface was missing. This adds the routines needed
to make the memory debuging work for fdopen().

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Added call to setvbuf (disabled by default for speed) to flush the
memdebug log file after every line and avoid losing the last few log
entries if curl crashes.

curlassert macro replaced with DEBUGASSERT macro defined in setup_once.h

use macros ERRNO, SET_ERRNO(), SOCKERRNO and SET_SOCKERRNO() for errno handling

Prevent multiple initialization of memdebug configuration variables.

This was possible on debug c-ares enabled builds when both CURL_MEMDEBUG
and CARES_MEMDEBUG environment variables wer

Prevent multiple initialization of memdebug configuration variables.

This was possible on debug c-ares enabled builds when both CURL_MEMDEBUG
and CARES_MEMDEBUG environment variables were set. Leading to a file handle
leak even when both variables had the same value, and wierd test suite
results when different.

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use %p to printf pointers since %x doesn't work properly on tru64 for this
(and besides, we should be using the same %-code for all pointers)

Updated the copyright year since changes have been this year.

Set errno = ENOMEM on faild countcheck().

Source cleanups. The major one being that we now _always_ use a Curl_addrinfo
linked list for name resolved data, even on hosts/systems with only IPv4
stacks as this simplifies a lot of code.

curl_global_init_mem() allows the memory functions to be replaced.
memory.h is included everywhere for this.

Gisle fixed: don't reference 'mem' if it's NULL.

make the memlimit final NULL return get written to stderr as wella

store size as size_t
use %zd when outputting size_t

Gisle Vanem's added support calloc()-debugging and outputting mode for
fopen() as well.

Some compilers warn on completely empty source files, we provide a blank
one to prevent that.

Made curl_accept() take a 'void *' instead of 'socklen_t *' in the 3rd
argument to also not force the casual includer to know about the socklen_t
type.

Modified curl_accept() to take a 'void *' in the 2nd argument instead of
sockaddr *. This has the added benefit that source files that include
memdebug.h doesn't have to know about "sockaddr".

Make realloc() support NULL as pointer. Made to allow us to use these routines
to memdebug the ares stuff as well.

Dan Fandrich's cleanup patch to make pedantic compiler options cause less
warnings. Minor edits by me.

updated year in the copyright string

use the curlassert() instead of custom checks

don't log failed socket() calls

Gisle Vanem's IPv6-on-Windows patch applied!

allow out-of-memory testing by setting a limit. That number of memory
allocation calls will succeed, the following will return NULL!

use CURLDEBUG instead of MALLOCDEBUG for preprocessor conditions