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Bugfix: strerror_r can return an error, and if it does, POSIX does not specify the content of the buffer

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This commit is contained in:
Luke Dashjr 2014-07-07 15:34:00 +00:00
parent a60838d09a
commit 109849e204
1 changed files with 2 additions and 1 deletions
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3
src/netbase.cpp
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@ -1265,7 +1265,8 @@ std::string NetworkErrorString(int err)
#ifdef STRERROR_R_CHAR_P /* GNU variant can return a pointer outside the passed buffer */
s = strerror_r(err, buf, sizeof(buf));
#else /* POSIX variant always returns message in buffer */
(void) strerror_r(err, buf, sizeof(buf));
if (strerror_r(err, buf, sizeof(buf)))
buf[0] = 0;
#endif
return strprintf("%s (%d)", s, err);
}