fflush(stdout) after each line of stats

[u/mdw/putty] / scp.c

diff --git a/scp.c b/scp.c
index de39484..79d3f9a 100644 (file)
--- a/scp.c
+++ b/scp.c
@@ -178,14 +178,13 @@ int from_backend(void *frontend, int is_stderr, const char *data, int datalen)
     unsigned char *p = (unsigned char *) data;
     unsigned len = (unsigned) datalen;
 
-    assert(len > 0);
-
     /*
      * stderr data is just spouted to local stderr and otherwise
      * ignored.
      */
     if (is_stderr) {
-       fwrite(data, 1, len, stderr);
+       if (len > 0)
+           fwrite(data, 1, len, stderr);
        return 0;
     }
 
@@ -195,7 +194,7 @@ int from_backend(void *frontend, int is_stderr, const char *data, int datalen)
     if (!outptr)
        return 0;
 
-    if (outlen > 0) {
+    if ((outlen > 0) && (len > 0)) {
        unsigned used = outlen;
        if (used > len)
            used = len;
@@ -467,6 +466,8 @@ static void print_stats(char *name, unsigned long size, unsigned long done,
 
        if (done == size)
            printf("\n");
+
+       fflush(stdout);
     }
 }