Throw exception when 'readlink(/proc/self/exe)' fails on Linux.

LukasBanana · Sep 15, 2023 · 7555b23 · 7555b23
1 parent 8fff00f
commit 7555b23
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/sources/Platform/Linux/LinuxModule.cpp b/sources/Platform/Linux/LinuxModule.cpp
@@ -7,9 +7,12 @@
 
 #include "LinuxModule.h"
 #include "../../Core/CoreUtils.h"
+#include "../../Core/Exception.h"
 #include <dlfcn.h>
 #include <unistd.h>
 #include <stdexcept>
+#include <errno.h>
+#include <string.h>
 
 
 namespace LLGL
@@ -21,7 +24,12 @@ static std::string GetProgramPath()
 {
  /* Get filename of running program */
  char buf[1024] = { 0 };
- (void)readlink("/proc/self/exe", buf, sizeof(buf));
+ ssize_t bufSize = readlink("/proc/self/exe", buf, sizeof(buf));
+ if (bufSize == -1)
+ {
+ int errorCode = errno;
+ LLGL_TRAP("readlink(/proc/self/exe) failed: errno=%d (%s)", errorCode, strerror(errorCode));
+ }
 
  /* Get path from program */
  std::string path = buf;