| 1 | #include <windows.h>
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| 2 | #include "w32err.h"
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| 3 |
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| 4 | /*
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| 5 | * Description: the windows32 version of perror()
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| 6 | *
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| 7 | * Returns: a pointer to a static error
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| 8 | *
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| 9 | * Notes/Dependencies: I got this from
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| 10 | * comp.os.ms-windows.programmer.win32
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| 11 | */
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| 12 | char *
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| 13 | map_windows32_error_to_string (DWORD ercode) {
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| 14 | /* __declspec (thread) necessary if you will use multiple threads on MSVC */
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| 15 | #ifdef _MSC_VER
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| 16 | __declspec (thread) static char szMessageBuffer[128];
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| 17 | #else
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| 18 | static char szMessageBuffer[128];
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| 19 | #endif
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| 20 | /* Fill message buffer with a default message in
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| 21 | * case FormatMessage fails
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| 22 | */
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| 23 | wsprintf (szMessageBuffer, "Error %ld\n", ercode);
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| 24 |
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| 25 | /*
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| 26 | * Special code for winsock error handling.
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| 27 | */
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| 28 | if (ercode > WSABASEERR) {
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| 29 | HMODULE hModule = GetModuleHandle("wsock32");
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| 30 | if (hModule != NULL) {
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| 31 | FormatMessage(FORMAT_MESSAGE_FROM_HMODULE,
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| 32 | hModule,
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| 33 | ercode,
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| 34 | LANG_NEUTRAL,
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| 35 | szMessageBuffer,
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| 36 | sizeof(szMessageBuffer),
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| 37 | NULL);
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| 38 | FreeLibrary(hModule);
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| 39 | }
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| 40 | } else {
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| 41 | /*
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| 42 | * Default system message handling
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| 43 | */
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| 44 | FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
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| 45 | NULL,
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| 46 | ercode,
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| 47 | LANG_NEUTRAL,
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| 48 | szMessageBuffer,
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| 49 | sizeof(szMessageBuffer),
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| 50 | NULL);
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| 51 | }
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| 52 | return szMessageBuffer;
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| 53 | }
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| 54 |
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