X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/23e649c97fc92d822cdaba2e9febc3099de77673..ecb2572233d5f3d3523a46979077ac0c20044d58:/logging.c

diff --git a/logging.c b/logging.c
index f1e37295..49269ec3 100644
--- 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 */
 }