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FindBlender: Fix null string SIGSEGV; search in PATH

This commit is contained in:
Luke Street 2021-10-26 11:32:37 -04:00
parent a2cc6cd204
commit 8c2caea934
1 changed files with 17 additions and 3 deletions
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20
hecl/lib/Blender/FindBlender.cpp
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@ -16,6 +16,20 @@ static const std::regex regBlenderVersion(R"(Blender (\d+)\.(\d+)(?:\.(\d+))?)",
static bool RegFileExists(const char* path) {
if (!path)
return false;
#if !defined(WIN32)
if (path[0] != '/') {
auto envPath = hecl::GetEnv("PATH");
if (envPath) {
std::istringstream iss(*envPath);
std::string item;
while (std::getline(iss, item, ':')) {
if (RegFileExists((item + "/" + path).c_str())) {
return true;
}
}
}
}
#endif
hecl::Sstat theStat;
return !hecl::Stat(path, &theStat) && S_ISREG(theStat.st_mode);
}
@ -83,17 +97,17 @@ std::optional<std::string> FindBlender(int& major, int& minor) {
#else
steamBlender += "/blender";
#endif
blenderBin = steamBlender.c_str();
blenderBin = steamBlender;
if (!RegFileExists(blenderBin->c_str())) {
blenderBin = DEFAULT_BLENDER_BIN;
if (!RegFileExists(blenderBin->c_str())) {
blenderBin = nullptr;
blenderBin.reset();
}
}
} else {
blenderBin = DEFAULT_BLENDER_BIN;
if (!RegFileExists(blenderBin->c_str())) {
blenderBin = nullptr;
blenderBin.reset();
}
}
}