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Fix crash in wxExecute() introduced by r73406.

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Don't dereference potentially NULL wxProcess pointer.

See #14931.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73425 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2013-01-21 11:26:00 +00:00
parent 036fa0b071
commit 27e8395ed0
1 changed files with 2 additions and 2 deletions
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4
src/unix/utilsunx.cpp
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@@ -556,7 +556,7 @@ long wxExecute(char **argv, int flags, wxProcess *process,
// 1. wxPRIORITY_{MIN,DEFAULT,MAX} map to -20, 0 and 19 respectively.
// 2. The mapping is monotonously increasing.
// 3. The mapping is onto the target range.
int prio = process->GetPriority();
int prio = process ? process->GetPriority() : 0;
if ( prio <= 50 )
prio = (2*prio)/5 - 20;
else if ( prio < 55 )
@@ -598,7 +598,7 @@ long wxExecute(char **argv, int flags, wxProcess *process,
#endif // !__VMS
#if defined(HAVE_SETPRIORITY)
if ( setpriority(PRIO_PROCESS, 0, prio) != 0 )
if ( prio && setpriority(PRIO_PROCESS, 0, prio) != 0 )
{
wxLogSysError(_("Failed to set process priority"));
}