fflush() stream before rewind() to ensure error checking.

git-svn-id: svn://sylpheed.sraoss.jp/sylpheed/trunk@1156 ee746299-78ed-0310-b773-934348b2243d

1 files changed, 14 insertions, 0 deletions

diff --git a/libsylph/utils.c b/libsylph/utils.c
index 3cee525e..525c9a1b 100644
--- a/libsylph/utils.c
+++ b/libsylph/utils.c
@@ -2811,6 +2811,10 @@ FILE *canonicalize_file_stream(FILE *src_fp, gint *length)
 		FILE_OP_ERROR("canonicalize_file_stream", "fgets");
 		err = TRUE;
 	}
+	if (fflush(dest_fp) == EOF) {
+		FILE_OP_ERROR("canonicalize_file_stream", "fflush");
+		err = TRUE;
+	}
 
 	if (err) {
 		fclose(dest_fp);
@@ -2967,6 +2971,11 @@ FILE *get_outgoing_rfc2822_file(FILE *fp)
 			goto file_error;
 	}
 
+	if (fflush(outfp) == EOF) {
+		FILE_OP_ERROR("get_outgoing_rfc2822_file", "fflush");
+		goto file_error;
+	}
+
 	rewind(outfp);
 	return outfp;
 
@@ -3234,6 +3243,11 @@ FILE *str_open_as_stream(const gchar *str)
 		fclose(fp);
 		return NULL;
 	}
+	if (fflush(fp) == EOF) {
+		FILE_OP_ERROR("str_open_as_stream", "fflush");
+		fclose(fp);
+		return NULL;
+	}
 
 	rewind(fp);
 	return fp;