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Avoid const_cast, static buffer and buffer overlap

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This commit is contained in:
Emmanuel Atse 2013-07-18 16:23:57 +02:00
parent 43a21e2acc
commit 5a42c91985
1 changed files with 8 additions and 10 deletions
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18
src/SFML/Window/Linux/WindowImplX11.cpp
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@ -60,21 +60,18 @@ namespace
}
// Find the name of the current executable
const char* findExecutableName()
void findExecutableName(char* buffer, std::size_t bufferSize)
{
//Default fallback name
const char* executableName = "sfml";
static char buffer[512];
std::size_t length = readlink("/proc/self/exe", buffer, sizeof(buffer));
if ((length > 0) && (length < sizeof(buffer)))
std::size_t length = readlink("/proc/self/exe", buffer, bufferSize);
if ((length > 0) && (length < bufferSize))
{
// Remove the path to keep the executable name only
buffer[length] = '\0';
executableName = basename(buffer);
}
std::memcpy(buffer, executableName, std::strlen(executableName) + 1);
return buffer;
std::memmove(buffer, executableName, std::strlen(executableName) + 1);
}
}
@ -249,10 +246,11 @@ m_previousSize(-1, -1)
}
// Set the window's WM class (this can be used by window managers)
const char* windowClass = findExecutableName();
char windowClass[512];
findExecutableName(windowClass, sizeof(windowClass));
XClassHint* classHint = XAllocClassHint();
classHint->res_name = const_cast<char*>(windowClass);
classHint->res_class = const_cast<char*>(windowClass);
classHint->res_name = windowClass;
classHint->res_class = windowClass;
XSetClassHint(m_display, m_window, classHint);
XFree(classHint);