First commit

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 39 insertions, 0 deletions

diff --git a/libpatch_stream_diff2_printer__.c b/libpatch_stream_diff2_printer__.c
new file mode 100644
index 0000000..6c6bc14
--- /dev/null
+++ b/libpatch_stream_diff2_printer__.c
@@ -0,0 +1,39 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+static void
+put(struct libpatch_diff2_printer *this, const char *text, size_t len)
+{
+	size_t off, r;
+	FILE *f = ((struct printer_internals *)this->user_data)->f.stream;
+	if (ferror(f))
+		return;
+	for (off = 0; off < len; off += r) {
+		r = fwrite(&text[off], 1, len - off, f);
+		if (!r) {
+			if (errno != EINTR) {
+				this->error = errno;
+				break;
+			}
+			clearerr(f);
+		}
+	}
+}
+
+
+struct libpatch_diff2_printer *
+libpatch_stream_diff2_printer__(FILE *output)
+{
+	struct libpatch_diff2_printer *printer;
+	struct printer_internals *internals;
+	printer = calloc(1, sizeof(*printer) + sizeof(struct printer_internals));
+	if (!printer)
+		return NULL;
+	internals = (void *)&((char *)printer)[sizeof(*printer)];
+	printer->user_data = internals;
+	internals->put = put;
+	internals->f.stream = output;
+	return printer;
+	
+}