[Bug 49138] New: winegcc: argc and argv arguments of main() get corrupted
WineHQ Bugzilla
wine-bugs at winehq.org
Mon May 11 10:19:48 CDT 2020
https://bugs.winehq.org/show_bug.cgi?id=49138
Bug ID: 49138
Summary: winegcc: argc and argv arguments of main() get
corrupted
Product: Wine
Version: 5.7
Hardware: x86-64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: tools
Assignee: wine-bugs at winehq.org
Reporter: mail at robbertvanderhelm.nl
Distribution: ---
I first came across this issue with winelib compilation in Wine 5.7 while I was
working on yabridge, a Wine VST bridge. The issue still persists on the latest
commit in the Wine repository as I'm writing this (commit bf1abba, with the
release of Wine 5.8). I'm not exactly sure what is going on, but the issue can
be reproduced as follows:
#include <iostream>
int main(int argc, char* argv[]) {
std::cout << "argc = " << argc << std::endl;
std::cout << "argv[0] = " << argv[0] << std::endl;
}
If you compile the above (or the C-equivalent) with `wineg++ test.cpp -o test`
and run test.exe, then at least on my system it will always print 70624 as the
value of argc and some uninitialized looking data for argv[0]. This happens
regardless of whether the program receives any command line arguments or not.
Winelib applications compiled with the toolchain that comes with Wine 5.6 can
be
run without problems under Wine 5.7 or 5.8. The winelib compilation issue with
Wine 5.7+ exists on Ubuntu 18.04, Ubuntu 20.04, Arch Linux and Manjaro, both
when using the distro provided packages and when building Wine from source.
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