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Silence GCC 8 cast-function-type warnings

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On Windows, casting between unrelated function types is fine and
sometimes even necessary, so just use an intermediate cast to
(void (*) (void)) to silence the warning as described in [0].

[0] https://gcc.gnu.org/onlinedocs/gcc-8.1.0/gcc/Warning-Options.html

Closes https://github.com/curl/curl/pull/2860
This commit is contained in:
Marcel Raad 2018-08-09 17:19:24 +02:00
parent 2a278fd735
commit 25d2a1bae7
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4 changed files with 13 additions and 3 deletions
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3
lib/warnless.h
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@ -26,6 +26,9 @@
#include <curl/curl.h> /* for curl_socket_t */
#endif
#define CURLX_FUNCTION_CAST(target_type, func) \
(target_type)(void (*) (void))(func)
unsigned short curlx_ultous(unsigned long ulnum);
unsigned char curlx_ultouc(unsigned long ulnum);