[PATCH] P11-GLUE: Implement strerror_r compatible with WinXP (common/compat.c)

[Pavel A.]

From: Pavel A <pavel.aronsky at daynix.com>

Signed-off-by: Pavel A <pavel.aronsky at daynix.com>
---
 common/compat.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/common/compat.c b/common/compat.c
index f5b88ec..8ad35b7 100644
--- a/common/compat.c
+++ b/common/compat.c
@@ -840,7 +840,14 @@ strerror_r (int errnum,
             size_t buflen)
 {
 #ifdef OS_WIN32
-	return strerror_s (buf, buflen, errnum);
+    /* strerror_s in MSVCRT.DLL is like strerror_r
+    *  but exists only since Win2003. Using strerror
+    * to keep compatibility with WinXP.
+    */
+    char const *p = strerror(errnum);
+    strncpy(buf, p ? p : "", buflen - 1);
+    buf[buflen - 1] = 0;
+    return 0;
 #else
 	#error no strerror_r implementation
 #endif
-- 
1.9.3