added: dynamic buffer handling

[fw/sdcc] / support / Util / dbuf.h

diff --git a/support/Util/dbuf.h b/support/Util/dbuf.h
new file mode 100644 (file)
index 0000000..2ac978d
--- /dev/null
+++ b/support/Util/dbuf.h
@@ -0,0 +1,64 @@
+/*
+  dbuf.h - Dynamic buffer interface
+  version 1.1.0, March 28th, 2003
+
+  Copyright (c) 2003 Borut Razem
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  Borut Razem
+  borut.razem@siol.net
+*/
+
+
+#ifndef __DBUF_H
+#define __DBUF_H
+
+#ifndef _WIN32
+#include <ansidecl.h>
+#else
+#define PARAMS(paramlist)   paramlist
+#endif
+
+struct dbuf_s {
+  size_t alloc;   /* size of allocated buffer in bytes */
+  size_t len;     /* actual size of the buffer in bytes */
+  void *buf;      /* pointer to the buffer, allocated on heap */
+};
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct dbuf_s *dbuf_new PARAMS ((size_t size));
+int dbuf_init PARAMS ((struct dbuf_s *dbuf, size_t size));
+int dbuf_set_size PARAMS ((struct dbuf_s *dbuf, size_t size));
+int dbuf_append PARAMS ((struct dbuf_s *dbuf, const void *buf, size_t size));
+const void *dbuf_get_buf PARAMS ((struct dbuf_s *dbuf));
+size_t dbuf_get_size PARAMS ((struct dbuf_s *dbuf));
+const char *dbuf_c_str PARAMS ((struct dbuf_s *dbuf));
+int dbuf_trim(struct dbuf_s *dbuf);
+void *dbuf_detach PARAMS ((struct dbuf_s *dbuf));
+void dbuf_destroy PARAMS ((struct dbuf_s *dbuf));
+void dbuf_delete PARAMS ((struct dbuf_s *dbuf));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __DBUF_H */