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unit1309: fix warning on Windows x64

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When targeting x64, MinGW-w64 complains about conversions between
32-bit long and 64-bit pointers. Fix this by reusing the
GNUTLS_POINTER_TO_SOCKET_CAST / GNUTLS_SOCKET_TO_POINTER_CAST logic
from gtls.c, moving it to warnless.h as CURLX_POINTER_TO_INTEGER_CAST /
CURLX_INTEGER_TO_POINTER_CAST.

Closes https://github.com/curl/curl/pull/2341
This commit is contained in:
Marcel Raad 2018-02-25 21:16:32 +01:00
parent 828187d86b
commit 24753bcd48
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3 changed files with 17 additions and 17 deletions
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5
lib/warnless.h
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@ -26,6 +26,11 @@
#include <curl/curl.h> /* for curl_socket_t */
#endif
#define CURLX_POINTER_TO_INTEGER_CAST(p) \
((char *)(p) - (char *)NULL)
#define CURLX_INTEGER_TO_POINTER_CAST(i) \
((void *)((char *)NULL + (i)))
unsigned short curlx_ultous(unsigned long ulnum);
unsigned char curlx_ultouc(unsigned long ulnum);