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For TranslateIoError use FormatMessage to get a better error message on win32

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This commit is contained in:
Mitch Capper 2023-06-23 14:05:38 -07:00
parent 3cb0b4ab29
commit 6185d66b01
1 changed files with 22 additions and 0 deletions
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22
src/wolfio.c
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@ -20,6 +20,9 @@
*/ */
#ifndef WOLFSSL_STRERROR_BUFFER_SIZE
#define WOLFSSL_STRERROR_BUFFER_SIZE 256
#endif
#ifdef HAVE_CONFIG_H #ifdef HAVE_CONFIG_H
#include <config.h> #include <config.h>
@ -121,6 +124,12 @@ static WC_INLINE int wolfSSL_LastError(int err)
static int TranslateIoError(int err) static int TranslateIoError(int err)
{ {
#ifdef _WIN32
size_t errstr_offset;
char errstr[WOLFSSL_STRERROR_BUFFER_SIZE];
#endif /* _WIN32 */
if (err > 0) if (err > 0)
return err; return err;
@ -151,7 +160,20 @@ static int TranslateIoError(int err)
return WOLFSSL_CBIO_ERR_CONN_CLOSE; return WOLFSSL_CBIO_ERR_CONN_CLOSE;
} }
#if defined(_WIN32)
strcpy_s(errstr, sizeof(errstr), "\tGeneral error: ");
errstr_offset = strlen(errstr);
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)(errstr + errstr_offset),
(DWORD)(sizeof(errstr) - errstr_offset),
NULL);
WOLFSSL_MSG(errstr);
#else
WOLFSSL_MSG("\tGeneral error"); WOLFSSL_MSG("\tGeneral error");
#endif
return WOLFSSL_CBIO_ERR_GENERAL; return WOLFSSL_CBIO_ERR_GENERAL;
} }
#endif /* USE_WOLFSSL_IO || HAVE_HTTP_CLIENT */ #endif /* USE_WOLFSSL_IO || HAVE_HTTP_CLIENT */