Add HN text extraction.

1 files changed, 31 insertions, 0 deletions

diff --git a/src/zlib.c b/src/zlib.c
new file mode 100644
index 0000000..49004b7
--- /dev/null
+++ b/src/zlib.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2020, yzrh <yzrh@noema.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <zlib.h>
+
+int
+strinflate(char **dst, int dst_size,
+	const char * restrict src, int src_size)
+{
+	*dst = malloc(dst_size);
+
+	if (*dst == NULL)
+		return 1;
+
+	unsigned long size = dst_size;
+
+	uncompress((Bytef *) *dst, &size, (const Bytef *) src, src_size);
+
+	if (size != dst_size) {
+		free(*dst);
+		return 1;
+	}
+
+	return 0;
+}