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52 lines
1.2 KiB
Diff
52 lines
1.2 KiB
Diff
From 1f610129b475b417509b251e022ad46d2210ff50 Mon Sep 17 00:00:00 2001
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From: Rafael Cossovan <navossoc@gmail.com>
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Date: Tue, 3 Apr 2018 17:04:35 -0300
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Subject: [PATCH 2/3] Fixes strerror_r GNU/XSI issue #40.
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http://www.zverovich.net/2015/03/13/reliable-detection-of-strerror-variants.html
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---
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src/logger.cc | 14 ++++++++++++-
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src/logger.h | 3 +++
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2 files changed, 15 insertions(+), 1 deletions(-)
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--- a/src/logger.cc
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+++ b/src/logger.cc
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@@ -89,7 +89,7 @@ std::string logger::err()
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return "Unknown error";
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return buf;
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#else
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- return strerror_r(errno, buf, sizeof(buf));
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+ return strerror_r_wrapper(strerror_r(errno, buf, sizeof(buf)), buf);
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#endif
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}
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@@ -228,4 +228,16 @@ bool logger::verbosity(const std::string
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return false;
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}
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+// XSI-compliant: int
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+std::string logger::strerror_r_wrapper(int, char* s)
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+{
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+ return s;
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+}
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+
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+// GNU-specific: char *
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+std::string logger::strerror_r_wrapper(char* s, char*)
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+{
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+ return s;
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+}
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+
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NDPPD_NS_END
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--- a/src/logger.h
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+++ b/src/logger.h
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@@ -91,6 +91,9 @@ private:
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static int _max_pri;
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+ // helpers for strerror_r
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+ static std::string strerror_r_wrapper(int, char* s);
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+ static std::string strerror_r_wrapper(char* s, char*);
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};
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