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authorTycho <work.tycho+git@gmail.com>2014-01-25 14:51:03 +0100
committerTycho <work.tycho+git@gmail.com>2014-01-25 14:51:03 +0100
commit59b8205f02eb7bf2954acba56fd63f485a30ece5 (patch)
tree55baedf13c6c5cc132ca0f81d6c30c01a434be2d /src/OSSupport/Errors.cpp
parentSwitched cEvent to use strerror_r for error messages (diff)
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Diffstat (limited to '')
-rw-r--r--src/OSSupport/Errors.cpp52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/OSSupport/Errors.cpp b/src/OSSupport/Errors.cpp
new file mode 100644
index 000000000..b2e8880bb
--- /dev/null
+++ b/src/OSSupport/Errors.cpp
@@ -0,0 +1,52 @@
+
+#include "Globals.h"
+
+#include "Errors.h"
+
+AString GetOSErrorString( int a_ErrNo )
+{
+ char buffer[ 1024 ];
+ AString Out;
+
+ #ifdef _WIN32
+
+ FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, a_ErrNo, 0, buffer, ARRAYCOUNT(buffer), NULL);
+ Printf(Out, "%d: %s", a_ErrNo, buffer);
+ if (!Out.empty() && (Out[Out.length() - 1] == '\n'))
+ {
+ Out.erase(Out.length() - 2);
+ }
+ return Out;
+
+ #else // _WIN32
+
+ // According to http://linux.die.net/man/3/strerror_r there are two versions of strerror_r():
+
+ #if ( _GNU_SOURCE ) && !defined(ANDROID_NDK) // GNU version of strerror_r()
+
+ char * res = strerror_r( errno, buffer, ARRAYCOUNT(buffer) );
+ if( res != NULL )
+ {
+ Printf(Out, "%d: %s", a_ErrNo, res);
+ return Out;
+ }
+
+ #else // XSI version of strerror_r():
+
+ int res = strerror_r( errno, buffer, ARRAYCOUNT(buffer) );
+ if( res == 0 )
+ {
+ Printf(Out, "%d: %s", a_ErrNo, buffer);
+ return Out;
+ }
+
+ #endif // strerror_r() version
+
+ else
+ {
+ Printf(Out, "Error %d while getting error string for error #%d!", errno, a_ErrNo);
+ return Out;
+ }
+
+ #endif // else _WIN32
+}