Workarounds for compiling with -D_FORTIFY_SOURCE=2 (as Ubuntu does), which

[u/mdw/putty] / logging.c

diff --git a/logging.c b/logging.c
index f1e3729..49269ec 100644 (file)
--- a/logging.c
+++ b/logging.c
@@ -43,7 +43,10 @@ static void logwrite(struct LogContext *ctx, void *data, int len)
        bufchain_add(&ctx->queue, data, len);
     } else if (ctx->state == L_OPEN) {
        assert(ctx->lgfp);
-       fwrite(data, 1, len, ctx->lgfp);
+       if (fwrite(data, 1, len, ctx->lgfp) < len) {
+           logfclose(ctx);
+           ctx->state = L_ERROR;
+       }
     }                                 /* else L_ERROR, so ignore the write */
 }