diff options
Diffstat (limited to 'src/pal/src/misc/environ.cpp')
-rw-r--r-- | src/pal/src/misc/environ.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/pal/src/misc/environ.cpp b/src/pal/src/misc/environ.cpp index fed7b69f38..9fc13467c5 100644 --- a/src/pal/src/misc/environ.cpp +++ b/src/pal/src/misc/environ.cpp @@ -218,7 +218,13 @@ GetEnvironmentVariableW( } else if (size == 0) { - // handle error in GetEnvironmentVariableA + // If size is 0, it either means GetEnvironmentVariableA failed, or that + // it succeeded and the value of the variable is empty. Check GetLastError + // to determine which. If the call failed, we won't touch the buffer. + if (GetLastError() == ERROR_SUCCESS) + { + *lpBuffer = '\0'; + } } else { |