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- Disable warning C4127 "conditional expression is constant" globally
in curl_setup.h for when building with Microsoft's compiler.
This mainly affects building with the Visual Studio project files found
in the projects dir.
Prior to this change the cmake and winbuild build systems already
disabled 4127 globally for when building with Microsoft's compiler.
Also, 4127 was already disabled for all build systems in the limited
circumstance of the WHILE_FALSE macro which disabled the warning
specifically for while(0). This commit removes the WHILE_FALSE macro and
all other cruft in favor of disabling globally in curl_setup.
Background:
We have various macros that cause 0 or 1 to be evaluated, which would
cause warning C4127 in Visual Studio. For example this causes it:
#define Curl_resolver_asynch() 1
Full behavior is not clearly defined and inconsistent across versions.
However it is documented that since VS 2015 Update 3 Microsoft has
addressed this somewhat but not entirely, not warning on while(true) for
example.
Prior to this change some C4127 warnings occurred when I built with
Visual Studio using the generated projects in the projects dir.
Closes https://github.com/curl/curl/pull/4658
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To not "collide" or use up the regular curl_ name space. Also makes them
easier to detect in helper scripts.
Closes #3656
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and the two remaining #ifdefs for it
Closes #3600
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Closes #2687
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This avoids build errors and warnings caused by implicit casts.
Closes https://github.com/curl/curl/pull/2031
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... to allow them to be included in torture tests too.
closes #1980
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Mostly because they're not needed, because memdebug.h is always included
last of all headers so the others already included the correct ones.
But also, starting now we don't want this to accidentally include any
system headers, as the header included _before_ this header may add
defines and other fun stuff that we won't want used in system includes.
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The name of the header guard in lwIP's <lwip/opt.h> has changed from
'__LWIP_OPT_H__' to 'LWIP_HDR_OPT_H' (bug #35874 in May 2015).
Other fixes:
- In curl_setup.h, the problem with an old PSDK doesn't apply if lwIP is
used.
- In memdebug.h, the 'socket' should be undefined first due to lwIP's
lwip_socket() macro.
- In curl_addrinfo.c lwIP's getaddrinfo() + freeaddrinfo() macros need
special handling because they were undef'ed in memdebug.h.
- In select.c we can't use preprocessor conditionals inside select if
MSVC and select is a macro, as it is with lwIP.
http://curl.haxx.se/mail/lib-2015-12/0023.html
http://curl.haxx.se/mail/lib-2015-12/0024.html
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Since we just started make use of free(NULL) in order to simplify code,
this change takes it a step further and:
- converts lots of Curl_safefree() calls to good old free()
- makes Curl_safefree() not check the pointer before free()
The (new) rule of thumb is: if you really want a function call that
frees a pointer and then assigns it to NULL, then use Curl_safefree().
But we will prefer just using free() from now on.
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This reverts commit 7ed25cc, reinstating commit 8ec2cb5.
As of 18-jul-2013 we still do have code in libcurl that makes use of these
memory functions. Commit 8ec2cb5 comment still applies and is yet valid.
These memory functions are solely used in Windows builds, so all related
code is protected with '#ifdef WIN32' preprocessor conditional compilation
directives.
Specifically, wcsdup() _wcsdup() are used when building a Windows target with
UNICODE and USE_WINDOWS_SSPI preprocessor symbols defined. This is the case
when building a Windows UNICODE target with Windows native SSL/TLS support
enabled.
Realizing that wcsdup() _wcsdup() are used is a bit tricky given that usage
of these is hidden behind _tcsdup() which is MS way of dealing with code
that must tolerate UNICODE and non-UNICODE compilation. Additionally, MS
header files and those compatible from other compilers use this preprocessor
conditional compilation directive in order to select at compilation time
whether 'wide' or 'ansi' MS API functions are used.
Without this code, Windows build targets with Windows native SSL/TLS support
enabled and MemoryTracking support enabled misbehave in tracking memory usage,
regardless of being a UNICODE enabled build or not.
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This reverts commit 8ec2cb5544b86306b702484ea785b6b9596562ab.
We don't have any code anywhere in libcurl (or the curl tool) that use
wcsdup so there's no such memory use to track. It seems to cause mild
problems with the Borland compiler though that we may avoid by reverting
this change again.
Bug: http://curl.haxx.se/mail/lib-2013-05/0070.html
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As of 25-mar-2013 wcsdup() _wcsdup() and _tcsdup() are only used in
WIN32 specific code, so tracking of these has not been extended for
other build targets. Without this fix, memory tracking system on
WIN32 builds, when using these functions, would provide misleading
results.
In order to properly extend this support for all targets curl.h
would have to define curl_wcsdup_callback prototype and consequently
wchar_t should be visible before that in curl.h. IOW curl_wchar_t
defined in curlbuild.h and this pulling whatever system header is
required to get wchar_t definition.
Additionally a new curl_global_init_mem() function that also receives
user defined wcsdup() callback would be required.
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This commit renames lib/setup.h to lib/curl_setup.h and
renames lib/setup_once.h to lib/curl_setup_once.h.
Removes the need and usage of a header inclusion guard foreign
to libcurl. [1]
Removes the need and presence of an alarming notice we carried
in old setup_once.h [2]
----------------------------------------
1 - lib/setup_once.h used __SETUP_ONCE_H macro as header inclusion guard
up to commit ec691ca3 which changed this to HEADER_CURL_SETUP_ONCE_H,
this single inclusion guard is enough to ensure that inclusion of
lib/setup_once.h done from lib/setup.h is only done once.
Additionally lib/setup.h has always used __SETUP_ONCE_H macro to
protect inclusion of setup_once.h even after commit ec691ca3, this
was to avoid a circular header inclusion triggered when building a
c-ares enabled version with c-ares sources available which also has
a setup_once.h header. Commit ec691ca3 exposes the real nature of
__SETUP_ONCE_H usage in lib/setup.h, it is a header inclusion guard
foreign to libcurl belonging to c-ares's setup_once.h
The renaming this commit does, fixes the circular header inclusion,
and as such removes the need and usage of a header inclusion guard
foreign to libcurl. Macro __SETUP_ONCE_H no longer used in libcurl.
2 - Due to the circular interdependency of old lib/setup_once.h and the
c-ares setup_once.h header, old file lib/setup_once.h has carried
back from 2006 up to now days an alarming and prominent notice about
the need of keeping libcurl's and c-ares's setup_once.h in sync.
Given that this commit fixes the circular interdependency, the need
and presence of mentioned notice is removed.
All mentioned interdependencies come back from now old days when
the c-ares project lived inside a curl subdirectory. This commit
removes last traces of such fact.
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This reverts renaming and usage of lib/*.h header files done
28-12-2012, reverting 2 commits:
f871de0... build: make use of 76 lib/*.h renamed files
ffd8e12... build: rename 76 lib/*.h files
This also reverts removal of redundant include guard (redundant thanks
to changes in above commits) done 2-12-2013, reverting 1 commit:
c087374... curl_setup.h: remove redundant include guard
This also reverts renaming and usage of lib/*.c source files done
3-12-2013, reverting 3 commits:
13606bb... build: make use of 93 lib/*.c renamed files
5b6e792... build: rename 93 lib/*.c files
7d83dff... build: commit 13606bbfde follow-up 1
Start of related discussion thread:
http://curl.haxx.se/mail/lib-2013-01/0012.html
Asking for confirmation on pushing this revertion commit:
http://curl.haxx.se/mail/lib-2013-01/0048.html
Confirmation summary:
http://curl.haxx.se/mail/lib-2013-01/0079.html
NOTICE: The list of 2 files that have been modified by other
intermixed commits, while renamed, and also by at least one
of the 6 commits this one reverts follows below. These 2 files
will exhibit a hole in history unless git's '--follow' option
is used when viewing logs.
lib/curl_imap.h
lib/curl_smtp.h
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76 private header files renamed to use our standard naming scheme.
This commit only does the file renaming.
----------------------------------------
renamed: amigaos.h -> curl_amigaos.h
renamed: arpa_telnet.h -> curl_arpa_telnet.h
renamed: asyn.h -> curl_asyn.h
renamed: axtls.h -> curl_axtls.h
renamed: bundles.h -> curl_bundles.h
renamed: conncache.h -> curl_conncache.h
renamed: connect.h -> curl_connect.h
renamed: content_encoding.h -> curl_content_encoding.h
renamed: cookie.h -> curl_cookie.h
renamed: cyassl.h -> curl_cyassl.h
renamed: dict.h -> curl_dict.h
renamed: easyif.h -> curl_easyif.h
renamed: escape.h -> curl_escape.h
renamed: file.h -> curl_file.h
renamed: fileinfo.h -> curl_fileinfo.h
renamed: formdata.h -> curl_formdata.h
renamed: ftp.h -> curl_ftp.h
renamed: ftplistparser.h -> curl_ftplistparser.h
renamed: getinfo.h -> curl_getinfo.h
renamed: gopher.h -> curl_gopher.h
renamed: gtls.h -> curl_gtls.h
renamed: hash.h -> curl_hash.h
renamed: hostcheck.h -> curl_hostcheck.h
renamed: hostip.h -> curl_hostip.h
renamed: http.h -> curl_http.h
renamed: http_chunks.h -> curl_http_chunks.h
renamed: http_digest.h -> curl_http_digest.h
renamed: http_negotiate.h -> curl_http_negotiate.h
renamed: http_proxy.h -> curl_http_proxy.h
renamed: if2ip.h -> curl_if2ip.h
renamed: imap.h -> curl_imap.h
renamed: inet_ntop.h -> curl_inet_ntop.h
renamed: inet_pton.h -> curl_inet_pton.h
renamed: krb4.h -> curl_krb4.h
renamed: llist.h -> curl_llist.h
renamed: memdebug.h -> curl_memdebug.h
renamed: multiif.h -> curl_multiif.h
renamed: netrc.h -> curl_netrc.h
renamed: non-ascii.h -> curl_non-ascii.h
renamed: nonblock.h -> curl_nonblock.h
renamed: nssg.h -> curl_nssg.h
renamed: parsedate.h -> curl_parsedate.h
renamed: pingpong.h -> curl_pingpong.h
renamed: polarssl.h -> curl_polarssl.h
renamed: pop3.h -> curl_pop3.h
renamed: progress.h -> curl_progress.h
renamed: qssl.h -> curl_qssl.h
renamed: rawstr.h -> curl_rawstr.h
renamed: rtsp.h -> curl_rtsp.h
renamed: select.h -> curl_select.h
renamed: sendf.h -> curl_sendf.h
renamed: setup.h -> curl_setup.h
renamed: setup_once.h -> curl_setup_once.h
renamed: share.h -> curl_share.h
renamed: slist.h -> curl_slist.h
renamed: smtp.h -> curl_smtp.h
renamed: sockaddr.h -> curl_sockaddr.h
renamed: socks.h -> curl_socks.h
renamed: speedcheck.h -> curl_speedcheck.h
renamed: splay.h -> curl_splay.h
renamed: ssh.h -> curl_ssh.h
renamed: sslgen.h -> curl_sslgen.h
renamed: ssluse.h -> curl_ssluse.h
renamed: strdup.h -> curl_strdup.h
renamed: strequal.h -> curl_strequal.h
renamed: strerror.h -> curl_strerror.h
renamed: strtok.h -> curl_strtok.h
renamed: strtoofft.h -> curl_strtoofft.h
renamed: telnet.h -> curl_telnet.h
renamed: tftp.h -> curl_tftp.h
renamed: timeval.h -> curl_timeval.h
renamed: transfer.h -> curl_transfer.h
renamed: url.h -> curl_url.h
renamed: urldata.h -> curl_urldata.h
renamed: warnless.h -> curl_warnless.h
renamed: wildcard.h -> curl_wildcard.h
----------------------------------------
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76 private header files renamed to use our standard naming scheme.
This change affects 322 files in libcurl's source tree.
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Inclusion of top two most included header files now done in setup_once.h
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Just internal stuff...
Curl_safefree is now a macro defined in memdebug.h instead of a function
prototyped in url.h and implemented in url.c, so inclusion of url.h is no
longer required in order to simply use Curl_safefree.
Provide definition of macro WHILE_FALSE in setup_once.h in order to allow
other macros such as DEBUGF and DEBUGASSERT, and code using it, to compile
without 'conditional expression is constant' warnings.
The WHILE_FALSE stuff fixes 150+ MSVC compiler warnings.
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Calling of curl_memdebug() was still done with a pending free()
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By the use of a the new lib/checksrc.pl script that checks that our
basic source style rules are followed.
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of messages atomic, on systems where an fwrite of a memory buffer is atomic.
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false positive on a leaked socket, so this introduces a way to tell the system
that the socket is indeed closed without explicitly closing it!
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now solely based on HAVE_CLOSESOCKET and HAVE_CLOSESOCKET_CAMEL
config file preprocessor definitions.
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setup_once.h. Inclusion of each header file is based on the definition of
NEED_MALLOC_H and NEED_MEMORY_H respectively.
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implementation from lib/hostip6.c to lib/curl_addrinfo.c
and prototypes from lib/hostip.h to lib/curl_addrinfo.h
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code when fdopen() is not available, to avoid compiler error.
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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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defining, since the system headers themselves redefine getaddrinfo
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Added "CURL_EXTERN" to memdebug.h functions.
Cleaned up Makefile.vc6.
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usage.
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fopen() as well.
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argument to also not force the casual includer to know about the socklen_t
type.
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sockaddr *. This has the added benefit that source files that include
memdebug.h doesn't have to know about "sockaddr".
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