diff options
Diffstat (limited to 'src/network/core/core.cpp')
| -rw-r--r-- | src/network/core/core.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/network/core/core.cpp b/src/network/core/core.cpp index 0aeb9c65c..8c5c5c229 100644 --- a/src/network/core/core.cpp +++ b/src/network/core/core.cpp @@ -13,6 +13,7 @@ #include "../../debug.h" #include "os_abstraction.h" #include "packet.h" +#include "../../string_func.h" #include "../../safeguards.h" @@ -48,6 +49,22 @@ void NetworkCoreShutdown() #endif } +#if defined(_WIN32) +/** + * Return the string representation of the given error from the OS's network functions. + * @param error The error number (from \c NetworkGetLastError()). + * @return The error message, potentially an empty string but never \c nullptr. + */ +const char *NetworkGetErrorString(int error) +{ + static char buffer[512]; + if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, error, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buffer, sizeof(buffer), NULL) == 0) { + seprintf(buffer, lastof(buffer), "Unknown error %d", error); + } + return buffer; +} +#endif /* defined(_WIN32) */ /** * Serializes the GRFIdentifier (GRF ID and MD5 checksum) to the packet |