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util: Use strerror_s for SysErrorString on Windows

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This commit is contained in:
laanwj 2022-04-20 16:43:07 +02:00
parent 46971c6dbf
commit e7f2f77756
1 changed files with 7 additions and 1 deletions
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8
src/util/syserror.cpp
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@ -15,15 +15,21 @@ std::string SysErrorString(int err)
{ {
char buf[256]; char buf[256];
buf[0] = 0; buf[0] = 0;
/* Too bad there are two incompatible implementations of the /* Too bad there are three incompatible implementations of the
* thread-safe strerror. */ * thread-safe strerror. */
const char *s; const char *s;
#ifdef WIN32
s = buf;
if (strerror_s(buf, sizeof(buf), err) != 0)
buf[0] = 0;
#else
#ifdef STRERROR_R_CHAR_P /* GNU variant can return a pointer outside the passed buffer */ #ifdef STRERROR_R_CHAR_P /* GNU variant can return a pointer outside the passed buffer */
s = strerror_r(err, buf, sizeof(buf)); s = strerror_r(err, buf, sizeof(buf));
#else /* POSIX variant always returns message in buffer */ #else /* POSIX variant always returns message in buffer */
s = buf; s = buf;
if (strerror_r(err, buf, sizeof(buf))) if (strerror_r(err, buf, sizeof(buf)))
buf[0] = 0; buf[0] = 0;
#endif
#endif #endif
return strprintf("%s (%d)", s, err); return strprintf("%s (%d)", s, err);
} }