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lib: feature deprecation warnings in gcc >= 4.3

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Add a deprecated attribute to functions and enum values that should not
be used anymore.
This uses a gcc 4.3 dialect, thus is only available for this version of
gcc and newer. Note that the _Pragma() keyword is introduced by C99, but
is available as part of the gcc dialect even when compiling in C89 mode.

It is still possible to disable deprecation at a calling module compile
time by defining CURL_DISABLE_DEPRECATION.

Gcc type checking macros are made aware of possible deprecations.

Some testing support Perl programs are adapted to the extended
declaration syntax.

Several test and unit test C programs intentionally use deprecated
functions/options and are annotated to not generate a warning.

New test 1222 checks the deprecation status in doc and header files.

Closes #9667
This commit is contained in:
Patrick Monnerat 2022-11-14 15:21:34 +01:00 • committed by Daniel Stenberg
parent 980510926d
commit 6967571bf2
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39 changed files with 771 additions and 243 deletions
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8
include/curl/multi.h
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@ -318,16 +318,16 @@ typedef int (*curl_multi_timer_callback)(CURLM *multi, /* multi handle */
void *userp); /* private callback
pointer */
CURL_EXTERN CURLMcode curl_multi_socket(CURLM *multi_handle, curl_socket_t s,
int *running_handles);
CURL_EXTERN CURLMcode CURL_DEPRECATED(7.19.5, "Use curl_multi_socket_action()")
curl_multi_socket(CURLM *multi_handle, curl_socket_t s, int *running_handles);
CURL_EXTERN CURLMcode curl_multi_socket_action(CURLM *multi_handle,
curl_socket_t s,
int ev_bitmask,
int *running_handles);
CURL_EXTERN CURLMcode curl_multi_socket_all(CURLM *multi_handle,
int *running_handles);
CURL_EXTERN CURLMcode CURL_DEPRECATED(7.19.5, "Use curl_multi_socket_action()")
curl_multi_socket_all(CURLM *multi_handle, int *running_handles);
#ifndef CURL_ALLOW_OLD_MULTI_SOCKET
/* This macro below was added in 7.16.3 to push users who recompile to use