* io.c (rb_write_error2): get rid of warning on linux. fwrite

  of glibc is tagged __attribute__ ((__warn_unused_result__))
  if _FORTIFY_SOURCE != 0.
* vm_dump.c (rb_vm_bugreport): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33871 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/vm_dump.c b/vm_dump.c
index 1e59919e29..2ace3a5921 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -863,7 +863,8 @@ rb_vm_bugreport(void)
 		while (!feof(fp)) {
 		    char buff[0x100];
 		    size_t rn = fread(buff, 1, 0x100, fp);
-		    fwrite(buff, 1, rn, stderr);
+		    if (fwrite(buff, 1, rn, stderr) != rn)
+			break;
 		}
 
 		fclose(fp);