Try to fix error: ignoring return value of 'fwrite', declared with attribute warn_unused_result

svn path=/trunk/; revision=50722

1 files changed, 6 insertions, 3 deletions

diff --git a/epan/print.c b/epan/print.c
index 76cbf9d9b1..a60a9c7672 100644
--- a/epan/print.c
+++ b/epan/print.c
@@ -1104,6 +1104,7 @@ static gboolean
 print_line_text(print_stream_t *self, int indent, const char *line)
 {
     static char  spaces[MAX_INDENT];
+    size_t ret;
 
     output_text *output = (output_text *)self->data;
     unsigned int num_spaces;
@@ -1121,9 +1122,11 @@ print_line_text(print_stream_t *self, int indent, const char *line)
     if (num_spaces > MAX_INDENT)
         num_spaces = MAX_INDENT;
 
-    fwrite(spaces, 1, num_spaces, output->fh);
-    fputs(line, output->fh);
-    putc('\n', output->fh);
+    ret = fwrite(spaces, 1, num_spaces, output->fh);
+    if (ret == num_spaces) {
+        fputs(line, output->fh);
+        putc('\n', output->fh);
+    }
     return !ferror(output->fh);
 }