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[Linux] Null-terminate output from readlink in Discord_Register. (#208)

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* Explicitly null-terminate the output from readlink in discord_register_linux.cpp.

* The return value of readlink is a signed size_t.
This commit is contained in:
Sander in 't Veld 2018-07-27 19:04:04 +02:00 committed by Mason Sciotti
parent dfad394be0
commit b44defe60a
1 changed files with 3 additions and 1 deletions
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4
src/discord_register_linux.cpp
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@ -33,9 +33,11 @@ extern "C" DISCORD_EXPORT void Discord_Register(const char* applicationId, const
char exePath[1024];
if (!command || !command[0]) {
if (readlink("/proc/self/exe", exePath, sizeof(exePath)) <= 0) {
ssize_t size = readlink("/proc/self/exe", exePath, sizeof(exePath));
if (size <= 0 || size >= sizeof(exePath)) {
return;
}
exePath[size] = '\0';
command = exePath;
}