X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/b078de41dfbae96dfb831e6e06df047b669adc4c..13874a7c4dd056a4db43fb60075075fc73d8abc4:/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 */
 }