Package: mingw32-runtime Version: 3.13-1 Severity: normal While developing some code that uses the WinInet APIs using MinGW, I ran into a problem when trying to set a callback context using InternetSetOption(). On a Windows XP system it failed and the error message that I retrieved using FormatMessage() is "The option is invalid".
It turns out that once upon a time, the smart people at Microsoft decided to make an incompatible change to the behvaior of InternetSetOption(). The constant INTERNET_OPTION_CONTEXT_VALUE was changed from 10 to 45. But the wininet.h shipped with MinGW still has INTERNET_OPTION_CONTEXT_VALUE defined as 10. Using a literal 45 instead of the constant fixed the problem in my code, but I think that wininet.h should be updated to reflect the changes made in the Microsoft's PSDK years ago. MSDN (http://msdn.microsoft.com/en-us/library/aa385328%28VS.85%29.aspx) has the following to say: ,---- | INTERNET_OPTION_CONTEXT_VALUE | | 45 | | Sets or retrieves a DWORD_PTR that contains the address of the | context value associated with this HINTERNET handle. This option can | be used on any HINTERNET handle. This is used by InternetQueryOption | and InternetSetOption. Previously, this set the context value to the | address stored in the lpBuffer pointer. This has been corrected so | that the value stored in the buffer is used and the | INTERNET_OPTION_CONTEXT_VALUE flag is assigned a new value. The old | value, 10, has been preserved so that applications written for the | old behavior are still supported. `---- I am not sure when exactly this change was introduced, but it must have been a few years at least. (The wininet.h shipped with Microsoft Platform SDK 2003(R2) defines it as 45 and the copyright notice of that file is "Copyright (c) 1995-1999 Microsoft Corporation".) -Hilko -- System Information: Debian Release: squeeze/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores) Locale: LANG=C, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash mingw32-runtime depends on no packages. Versions of packages mingw32-runtime recommends: ii gcc-mingw32 [mingw32] 4.4.4-0.1+b1 The GNU Compiler Collection (cross mingw32-runtime suggests no packages. -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
