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mdbx: use FormatMessage() for Windows.

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This commit is contained in:
Leo Yuriev 2017-04-25 19:17:57 +03:00
parent f91218bda4
commit 326dea8bc1
2 changed files with 11 additions and 9 deletions
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2
TODO.md
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@ -1,4 +1,4 @@
- [ ] разделение errno и GetLastError()
- [x] разделение errno и GetLastError()
- [x] CI посредством AppVeyor
- [ ] uint32/uint64 в структурах
- [ ] правки API (много...)

18
src/mdbx.c
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@ -763,10 +763,10 @@ const char *__cold mdbx_strerror_r(int errnum, char *buf, size_t buflen) {
if (!buflen)
return NULL;
#ifdef _MSC_VER
int rc = strerror_s(buf, buflen, errnum);
assert(rc == 0);
(void)rc;
return buf;
size_t size = FormatMessageA(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
errnum, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, buflen, NULL);
return size ? buf : NULL;
#elif defined(_GNU_SOURCE)
/* GNU-specific */
msg = strerror_r(errnum, buf, buflen);
@ -792,10 +792,12 @@ const char *__cold mdbx_strerror(int errnum) {
if (!msg) {
#ifdef _MSC_VER
static __thread char buffer[1024];
int rc = strerror_s(buffer, sizeof(buffer), errnum);
assert(rc == 0);
(void)rc;
msg = buffer;
size_t size = FormatMessageA(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
errnum, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buffer,
sizeof(buffer), NULL);
if (size)
msg = buffer;
#else
msg = strerror(errnum);
#endif