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e_os.h: bump minimal _WIN32_WINNT.

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Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Andy Polyakov 2015-11-15 21:19:37 +01:00
parent bf1605518a
commit 0ee05b736a
1 changed files with 9 additions and 11 deletions
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20
e_os.h
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@ -221,18 +221,16 @@ extern "C" {
/* /*
* Defining _WIN32_WINNT here in e_os.h implies certain "discipline." * Defining _WIN32_WINNT here in e_os.h implies certain "discipline."
* Most notably we ought to check for availability of each specific * Most notably we ought to check for availability of each specific
* routine with GetProcAddress() and/or guard NT-specific calls with * routine that was introduced after denoted _WIN32_WINNT with
* GetVersion() < 0x80000000. One can argue that in latter "or" case * GetProcAddress(). Normally newer functions are masked with higher
* we ought to /DELAYLOAD some .DLLs in order to protect ourselves * _WIN32_WINNT in SDK headers. So that if you wish to use them in
* against run-time link errors. This doesn't seem to be necessary, * some module, you'd need to override _WIN32_WINNT definition in
* because it turned out that already Windows 95, first non-NT Win32 * the target module in order to "reach for" prototypes, but replace
* implementation, is equipped with at least NT 3.51 stubs, dummy * calls to new functions with indirect calls. Alternatively it
* routines with same name, but which do nothing. Meaning that it's * might be possible to achieve the goal by /DELAYLOAD-ing .DLLs
* apparently sufficient to guard "vanilla" NT calls with GetVersion * and check for current OS version instead.
* alone, while NT 4.0 and above interfaces ought to be linked with
* GetProcAddress at run-time.
*/ */
# define _WIN32_WINNT 0x0400 # define _WIN32_WINNT 0x0501
# endif # endif
# if !defined(OPENSSL_NO_SOCK) && (defined(_WIN32_WINNT) || defined(_WIN32_WCE)) # if !defined(OPENSSL_NO_SOCK) && (defined(_WIN32_WINNT) || defined(_WIN32_WCE))
/* /*