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Diffstat (limited to 'src/os/unix/ngx_errno.h')
-rw-r--r--src/os/unix/ngx_errno.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/os/unix/ngx_errno.h b/src/os/unix/ngx_errno.h
index a7326b613..f9e68b4ea 100644
--- a/src/os/unix/ngx_errno.h
+++ b/src/os/unix/ngx_errno.h
@@ -29,12 +29,17 @@ typedef int ngx_err_t;
#define ngx_set_errno(err) errno = err
#define ngx_set_socket_errno(err) errno = err
-#if 0
-#define ngx_strerror(err) strerror(err)
-#endif
+
+#if (HAVE_STRERROR_R)
+
+ngx_int_t ngx_strerror_r(int err, char *errstr, size_t size);
+
+#else
#define ngx_strerror_r(err, errstr, size) \
ngx_cpystrn(errstr, strerror(err), size) - (errstr)
+#endif
+
#endif /* _NGX_ERRNO_H_INCLUDED_ */