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Fix crashes when $HOME is not set

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In case HOME environment variable hasn't been set, getenv returns
NULL, which leads to a crash.
This commit is contained in:
akharlamov
2018-11-12 16:11:10 -08:00
committed by Baldur Karlsson
parent 2967851360
commit f2e68f1d31
1 changed files with 6 additions and 2 deletions
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renderdoc/driver/vulkan/vk_posix.cpp
+6 -2
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@@ -301,7 +301,8 @@ string LayerRegistrationPath(LayerPath path)
if(xdg && FileIO::exists(xdg))
return string(xdg) + "/vulkan/implicit_layer.d/renderdoc_capture.json";
return string(getenv("HOME")) +
const char *home_path = getenv("HOME");
return string(home_path != NULL ? home_path : "") +
"/.local/share/vulkan/implicit_layer.d/renderdoc_capture.json";
}
default: break;
@@ -330,7 +331,10 @@ bool VulkanReplay::CheckVulkanLayer(VulkanLayerFlags &flags, std::vector<std::st
{
// see if the user has suppressed all this checking as a "I know what I'm doing" measure
if(FileExists(string(getenv("HOME")) + "/.renderdoc/ignore_vulkan_layer_issues"))
const char *home_path = getenv("HOME");
if(home_path == NULL)
home_path = "";
if(FileExists(string(home_path) + "/.renderdoc/ignore_vulkan_layer_issues"))
{
flags = VulkanLayerFlags::ThisInstallRegistered;
return false;